Gamma-Butyrolactone GBL CAS96-48-0 Gamma-Martinolactone

Gamma-Butyrolactone GBL CAS96-48-0 Gamma-Martinolactone

 

Overview:

Chinese name: γ-butyrolactone (GBL)

1,4-Butyrolactone, also known as γ-butyrolactone, is an organic compound, chemical formula C4H6O2, molecular weight 86.089, is a colorless transparent liquid, used in the production of cyclopropylamine, pyrrolidone and other drugs, but also used as a solvent, diluent, curing agent, etc.

Synonyms: gamma-butyrolactone

Gamma-butyrolactone

1,4-Butyrolactone

γ-Hydroxybutyric acid lactone

Gamma-butyrolactone (gamma-butyrolactone)

English name: gamma-butyrolactone

Molecular formula(Formula): C4H6O2

Molecular Weight(Molecular Weight): 120.104

CAS No.: 96-48-0

Chinese name: gamma-butyrolactone, gamma-butyrolactone, 1,4-butyrolactone, gamma-hydroxybutyrate, gamma-butyrolactone (gamma-butyrolactone)

Molecular structure: See figure

Molecular formula: C4H6O2

Molecular weight: 120.104

CAS No.: 96-48-0

EINECS No.: 202-509-5

Molecular weight 120.104

Physical and chemical properties

Appearance Colorless transparent liquid.

Boiling point 35℃

Freezing point

Relative density 1.129

Refractive index 1.4348

Flash point 98℃

Solubility Miscible with water and general organic solvents. Slightly soluble in aliphatic hydrocarbons.

 

Uses:

1, γ-butyrolactone is a kind of high boiling point solvent with strong solubility, safe and convenient to use and manage, used as extraction agent of butadiene, aromatic hydrocarbons and advanced grease in petroleum processing;

2、It is used as the spinning solvent of acrylonitrile fiber in chemical fiber industry, and is the dyeing auxiliary of wool, nylon, acrylonitrile and other fibers.

3、In addition, it is also widely used in lithium-ion battery electrolyte and super energy storage capacitor.

 

Applications:

Used in the production of cyclopropylamine, pyrrolidone and other drugs, but also industrial solvents, diluents, curing agents, etc.

 

Stability:

  1. Avoid contact with strong oxidizing agents, strong acids, strong bases, strong reducing agents.

Soluble in water, methanol, etc., non-corrosive to metal, flammable, low toxicity, easily absorbed by skin, should be prevented from contact with skin.

Chemical properties: It is more stable compound. Easily hydrolyzed under the action of hot alkali, hydrolysis is reversible, when pH = 7, and then generate lactone. Hydrolysis is slower in acidic medium.

  1. It is a low toxicity substance, with anesthetic effect on the central nervous system, oral LD50=1800mg/kg in rats, irritating to the skin, and its smoke has irritating effect on eyes, mucous membrane and upper respiratory tract.
  2. present in roasted tobacco, white rib tobacco, spice tobacco and smoke.
  3. Present in apricot, bread, coffee, also volatile aromatic component of fried hazelnut.
  4. Method of preparation:

Add 2mL of dry acetonitrile and 110mg of trimethylchlorosilane (1.0mmol) to the reaction flask, add 187g of silver nitrate (1.1mmol) at 0℃ under nitrogen protection and stir the reaction for 1h. Pour out the supernatant (remove the silver chloride) and add to CrO3150mg (1.5mmol) with stirring.

(1.5 mmol) in 1 mL acetonitrile and stirred for 15 min to obtain TMSONO2- CrO3 oxidizer. The solution of THF (2) (1.0 mmol) dissolved in 1 mL acetonitrile was added slowly dropwise under the cooling of ice water bath, and the reaction was stirred at room temperature for 24 h. The product was filtered, washed with dichloromethane, and the solvent was evaporated to obtain the crude product ① (1). Purified by silica gel column in 65% yield.

 

 

[ Solubility in water ]: MISCIBLE

[ Molecular structure ]:

1、 Molar refractive index: 20.18

2、 Molar volume (cm³/mol): 76.2

3、 Isotropic specific volume (90.2K): 186.0

4、 Surface tension (dyne/cm): 35.4

5、 Dielectric constant:

6、 Dipole distance (10-²⁴cm³):

7, Polarization rate: 8.00

 

[ Calculated Chemistry ]:

  1. Reference value for calculation of hydrophobic parameters (XlogP):None
  2. Number of hydrogen bond donors:0
  3. Number of hydrogen bond acceptors:2
  4. Number of rotatable bonds:0
  5. Number of reciprocal isomers:2

6.Topological molecule polar surface area 26.3

7.Number of heavy atoms:6

  1. Surface charge:0

9.Complexity:67.9

10.Number of isotope atoms:0

11.Number of determined atomic structure centers:0

12.Number of uncertain atomic structure centers:0

13.Number of definite bonding centers:0

14.Number of indeterminate bonding centers:0

15.Number of covalent bonding units:1

 

[ more ]:

  1. properties:colorless to yellow oily liquid with cream-like aromatic aroma.
  2. Relative density (15℃): 1.1286
  3. relative vapor density (g/mL,air=1): 3.0
  4. melting point (℃): -44
  5. boiling point (℃, atmospheric pressure): 206
  6. Viscosity (mPa- s,25℃): 1.7
  7. refractive index (26.5℃): 1.4343
  8. Flash point (℃): 99.2
  9. Self-ignition point or ignition temperature (℃): 455
  10. Vapor pressure (mmHg,20℃): 1.5
  11. saturation vapor pressure (kPa, 20 ℃): 2.0
  12. heat of evaporation (KJ/mol,204℃): 52.3
  13. critical temperature (℃): 457.85
  14. critical pressure (KPa): 5.131
  15. specific heat capacity (KJ/(kg- K),25℃,constant pressure): 1.67
  16. specific heat capacity (KJ/(kg- K), 60 ℃, constant pressure): 1.88
  17. upper explosion limit (%, V/V): 16
  18. lower explosion limit (%,V/V): 1.4
  19. solubility: miscible with water, also soluble in methanol, ethanol, ether and benzene and other organic solvents. 20.
  20. relative density (20℃, 4℃): 1.1299
  21. Refractive index at room temperature (n20): 1.4346
  22. Refractive index at room temperature (n25): 1.4348
  23. solubility parameter (J- cm-3) 0.5: 25.593
  24. van der Waals area (cm²⁺- mol-1): 6.250× 109
  25. van der Waals volume (cm³- mol-1): 45.890
  26. liquid phase standard thermal fusion (J- mol-1- K-1): 140.0

 

Storage and transportation:

Should be kept sealed and stored in a dry, cool and ventilated warehouse

 

Package:

200KG/drum Storage: It is recommended to store in dry and cool area with proper ventilation. Please fasten the lid as soon as possible after the original packaging to prevent the mixing of other substances such as water and other substances from affecting the product performance. Do not inhale dust and avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and wash them before use. Maintain good hygiene habits.

n-Butanol CAS71-36-3

n-Butanol  CAS71-36-3

Overview:

n-butanol, also known as 1-butanol, is an organic compound with the chemical formula C4H10O, a colorless transparent liquid, slightly soluble in water, soluble in most organic solvents such as ethanol and ether, mainly used in the preparation of esters, plastic plasticizers, pharmaceuticals, spray paint, also used as a solvent.

Chinese name: n-butanol

Alias: 1-butanol

English name: n-butanol; n-butyl alcohol; butanol

Molecular formula(Formula): C4H10O

Molecular Weight(Molecular Weight): 74.122

CAS No.: CAS:71-36-3

Chinese name: n-Butanol, 1-butanol

Molecular structure: See chart

Molecular Formula: C4H10O

Molecular Weight: 74.122

CAS No.: CAS:71-36-3

EINECS No.: 200-751-6

MDL No. MFCD00002964

Physical and chemical properties:

Density: 0.81g/cm3

Melting point: -89℃

Boiling point: 117.6℃

Flash point: 29℃

Refractive index: 1.399 (20℃)

Saturated vapor pressure: 0.73kPa (20℃)

Critical temperature: 289.85℃

Critical pressure: 4.414MPa

Explosive upper limit (V/V): 11.3%

Lower explosion limit (V/V): 1.4%

Appearance: colorless transparent liquid

Solubility: slightly soluble in water, soluble in most organic solvents such as ethanol and ether

 

 Features 

Excellent chemical stability. It has the advantages of stable acid value, stable molecular weight, light color and good catalytic effect, and can completely replace potassium naphthenate. Solubility of solute is total solubility. This product is a universal sodium salt-forming agent for synthetic antibiotics by solubilization method. Compared with the traditional salt-forming agent sodium acetate, its obvious advantage is its mildness and stability after salt formation, and it can be soluble in many organic solvents, which is conducive to the separation of anhydrous final products and improves the quality and yield of products.

 

Uses:

The role and use of n-butanol is a pharmaceutical excipient.

Mainly used in the manufacture of phthalic acid, aliphatic dibasic acid and phosphoric acid n-butyl ester type plasticizers, they are widely used in a variety of plastics and rubber products, but also organic synthesis in the manufacture of butyraldehyde, butyric acid, butylamine and butyl lactate and other raw materials. They are also used as extractants for oils and fats, drugs (such as antibiotics, hormones and vitamins) and spices, additives for alkyd resin coatings, etc. They can also be used as solvents for organic dyes and printing inks, and dewaxing agents.

Used in the production of butyl acetate, dibutyl phthalate and phosphoric acid plasticizers, also used in the production of melamine resin, acrylic acid, epoxy varnish, etc.; used as a chromatographic analysis reagent, also used in organic synthesis, etc.; used in the preparation of bananas, cream, whiskey and cheese and other types of edible flavors.

 

Toxicity of n-butanol: a low toxicity category

Acute toxicity: LD504360mg/kg (rat oral); 3400mg/kg (rabbit percutaneous); LC5024240mg/m3, 4 hours (rat inhalation)

 

Sub-acute toxicity: rats, mice inhalation 0.8mg/m3, 24 hours / week, 4 months, abnormal liver and skin function; human inhalation 303 × mg / m × 10 years, mucous membrane irritation, loss of smell; human inhalation 606mg/m3 × 10 years, red blood cell count reduction, occasional eye irritation symptoms; human inhalation 150-780mg/m3 × 10 years, burning sensation in the eyes, general discomfort, the Corneal inflammation.

 

Storage and transportation:

Should be sealed and stored in a dry, cool and ventilated warehouse

 

Package:

200KG/drum Storage: It is recommended to store in a dry and cool area with proper ventilation. Please fasten the lid as soon as possible after the original packaging to prevent the mixing of other substances such as water and other substances from affecting the product performance. Do not inhale dust and avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and wash them before use. Maintain good hygiene habits.

N-Methyl-pyrrolidone NMP CAS872-50-4

N-Methyl-pyrrolidone NMP CAS872-50-4

Overview:

N-Methylpyrrolidone is an organic substance with the chemical formula C5H9NO, a colorless to light yellow transparent liquid with a slight ammonia odor, miscible with water in any ratio, soluble in various organic solvents such as ether, acetone and esters, halogenated hydrocarbons, aromatic hydrocarbons, etc., and almost completely mixed with all solvents.

Chinese name: N-Methylpyrrolidone

Alias: 1-Methyl-2-pyrrolidone

English name: N-Methylpyrrolidone

Molecular formula(Formula): C5H9NO

Molecular Weight: 99.131

CAS No.: 872-50-4

Product Name: 1-Methyl-2-pyrrolidone; N-Methyl-pyrrolidine; N-Methyl-A-pyrrolidone; Methyl-pyrrolidone; 1-Methyl-pyrrolidone

Molecular structure: See figure

Molecular formula: C5H9NO

Molecular weight: 99.131

CAS No.: 872-50-4

EINECS No.: 212-828-1

MDL No. MFCD00003193

Physical and chemical properties:

  1. Property: Colorless transparent oily liquid with slight odor of amine.
  2. Density: 1.028g/cm3
  3. melting point: -24℃
  4. boiling point: 202℃
  5. Refractive index: 1.470

6 Viscosity: 1.65mPa-s

  1. Flash point: 86.1℃
  2. ignition point: 346℃
  3. heat of combustion: 3010kJ/mol
  4. critical temperature: 445℃
  5. critical pressure: 4.76MPa
  6. electrical conductivity: (1~2)×10-8s/m
  7. solubility: soluble in water, ethanol, ether, acetone, ethyl acetate, chloroform and benzene, soluble in most organic and inorganic compounds, polar gases, natural and synthetic polymers

 

Uses:

It is widely used in the refining of advanced lubricants, synthesis of polymers, insulating materials, pesticides, pigments and cleaning agents, etc.

Application 2】 It is an excellent solvent, widely used as extractant for aromatic hydrocarbon extraction, lube oil refining, acetylene concentration, synthetic gas desulfurization, etc. It is also used for industrial cleaning, etc.

N-Methylpyrrolidone is an excellent extraction solvent, widely used as extractant in the process of aromatic extraction, acetylene concentration, butadiene separation and desulfurization of synthesis gas, etc. It is also a solvent in the production of pesticides, engineering plastics, paints, synthetic fibers, integrated circuits, etc. It can also be used as industrial detergent, dispersant, dyeing agent, lubricant antifreeze agent, etc. The product has low toxicity, oral LD50 for rats is 7ml/kg.

 

Stability related:

  1. Colorless liquid, with ammonia smell, the product has low toxicity. It can be miscible with water and soluble in most organic solvents such as ether and acetone. Can dissolve most organic and inorganic compounds, polar gases, natural and synthetic polymer compounds.
  2. Chemical properties: relatively stable in neutral solution. After 8 hours in 4% sodium hydroxide solution, 50%-70% of it is hydrolyzed. In concentrated hydrochloric acid, hydrolysis gradually occurs to produce 4-methylaminobutyric acid CH3NH(CH2)3COOH. due to the reaction of carbonyl group, it can produce condensation ketone or thio-pyrrolidone.

N-Methylpyrrolidone is weakly basic and can produce hydrochloride. It forms adducts with heavy metal salts, for example, with nickel bromide heated to 150°C to produce NiBr2(C5H9ON)3 with a melting point of 105°C.

 

Storage and transportation:

Should be kept sealed and stored in dry, cool and ventilated warehouse

 

Package:

200KG/drum Storage: It is recommended to be stored in dry and cool area with proper ventilation. Please fasten the lid of the package as soon as possible after the original packaging to prevent the mixing of other substances such as moisture from affecting the product performance. Do not inhale dust and avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and wash them before use. Maintain good hygiene habits.

Adhesion Improvement Additive NT ADD AS3228

Newtop Chemical Materials (Shanghai) Co.,Ltd.

Technical Indicators

Adhesion Improvement Additive NT ADD AS3228

Description/Description

NT ADD AS3228 is a light yellow viscous liquid at room temperature.

Applications/Product Applications

NT ADD AS3228 is mainly used in CASE applications to improve the bonding strength of products with high peel strength and better resistance to high temperatures.

NT ADD AS3228 can also be used in polyurethane foam formulations to improve the feel of the foam as well as the tensile and tear properties, improve the opening properties, and keep the indentation hardness of the foam largely unaffected.

NT ADD AS3228 can be added in flexible amounts, from partial to full use, with a linear relationship between the amount added and the tensile and tear properties.

Shelf Life/ Shelf Life: 12 months.

Refer to the data/referenceable data

Typical Properties

Appearance Light yellow viscous liquid

Viscosity(25℃,mPa.s) 2000-4000

Water content(%) <0.1

Acid value(mgKOH/g) 0.1max

Hydroxyl value(mgKOH/g) 87.5±12.5

 

Storage Information/Storage Information

Store in a cool, ventilated room. Keep away from fire and heat source. Protect from direct sunlight. Keep the container sealed. Store separately from oxidizers and edible chemicals, and do not mix them. Equipped with appropriate variety and quantity of fire-fighting equipment. The storage area should be equipped with spill emergency treatment equipment and suitable shelter materials.

Octanedioic acid CAS 68937-75-7 Nonanoic acid

Common name Octanedioic acid English name Nonanoic acid

CAS No. 68937-75-7

Molecular weight 158.23800

Density N/A Boiling point 254.5ºC

Molecular formula C9H18O2 Melting point 12.4ºC

MSDS US version

Flash point N/A

Synonyms: Caprylic acid (8-10 acid, C8C10 acid); 810 mixed acid; Caprylic acid C8-10; Caprylic acid C8-10,68937-75-7; Fatty acid C8C10 (caprylic acid); 810 acid; C8-10 acid; Caprylic acid

CAS:

68937-75-7; EINECS: 273-086-2

C810 acid: Caprylic-CapricAcidBlend; Caprylic/CapricAcid; Octanoic/DecanoicAcid

English Name:

FattyAcidsC8C10; CAPRYLIC/CAPRICACID; Octanoic/DecanoicAcid/FattyAcidC8-C10

Molecular Formula:

C8H16O2+C10H20O2;

Properties:

Light amber to colourless clarified liquid with an oily odour.

Parameters:

Content >99.9%, Acid value/360, Saponification value/361, Iodine value/0.18, Fatty acid composition: C8 is 59.5, C10 is 40.1.

Name of octanedecanoic acid

Chinese name Octanedioic acid

English name Nonanoic acid

 Physical and chemical properties of octanedecanoic acid

Boiling point 254.5ºC

Melting point 12.4ºC

Molecular formula C9H18O2

Molecular weight 158.23800

Precise mass 158.13100

PSA 37.30000

LogP 2.82160

 Octanedioic Acid Safety Information

Customs code 2942000000

 Octanedioic acid Customs

Customs Code 2942000000

Fatty acids are a class of carboxylic acid compounds consisting of hydrocarbon groups linked to carboxylic acids. They are widely used as raw materials in various industries and as intermediate products in the chemical synthesis of antibacterial pesticides and other products.

It is used as a raw material for plasticizers, stabilizers and flame retardants in the plastics industry; lubricants, rust inhibitors and hydraulic fluids in the petroleum and metalworking industries; surfactants for textile coatings and mineral processing; the production of alkyl chlorides of agricultural products, methyl octanoate; and synthetic triglycerides of caprylic acid, pentaerythritol esters and polyol esters as metal lubricants, lubricants and emollients for personal care products.

Technical and business contact number: Manager Wu 183-0190-3156

Isooctanoic acid CAS25103-52-0

Isooctanoic acid CAS25103-52-0

Product Details

Chinese name:Isooctanoic acid English name:Isooctanoicacid

CAS:25103-52-0

Storage condition:Dry and sealed

Purity specification:99% Product category:Chemical raw materials

Isooctanoic acid is the main product of our company. Our company has been committed to providing high service, low monohybrid, high content products for the field of biochemical research, to provide service solutions for the majority of researchers engaged in research, is a large integrated supplier of biological raw materials, chemical raw materials research and development and production, welcome your inquiry and purchase.

Isooctanoic acid

Chinese name:2-ethylhexanoic acid

Synonyms:2-Ethylhexanoic acid;2-ethylhexanoic acid;secoctanoic acid,isooctanoic acid;2-ethylhexanoic acid;2-ethylhexanoic acid;German oxea isooctanoic acid;isooctanoic acid\;secoctanoic acid;German OXEA.

English name:Isooctanoicacid

English Synonyms:Isocaprylicacid;Isooctylacid;Isooctansure;I-OCTANOICACID;2-Ethylhexanoicacid;Isooctanoicacid;Isooctanoicacid/2- Ethylhexanoicacid;CecanoicC8acid

CAS No.:25103-52-0

Molecular formula:C8H16O2

Molecular weight:144.21

EINECS:246-617-0

Property:It is a colorless liquid

Content:99%

Packing:185kg plastic drum

Solubility: slightly soluble in cold water, soluble in hot water and ether, slightly soluble in ethanol.

Use:Used in organic synthesis industry.

Technical and business contact number:Manager Wu 183-0190-3156

TMG N,N,N′,N′-Tetramethylguanidine CAS80-70-6

TMG N,N,N′,N′-Tetramethylguanidine CAS80-70-6

N,N,N′,N′-Tetramethylguanidine

CAS No.: 80-70-6

Overview:                          

Common Name: N,N,N′,N′-Tetramethylguanidine

Other Chemical Names:

N,N’-Tetramethylguanidine;1,1,3,3-TetramethylGuanidine(TMG);1,1,3,3-Tetramethylgyanidine, 1,1,3,3-TetrChemicalbookamethylguanidine, ;N,N,N,N-Tetramethy1Guanidine; 1,1,3,3-Tetramethylguanidin; TMG; 1,1,3tetramethylguanidine

MF： C5H13N3

MW： 115.18

CAS： 80-70-6

Typical Properties:

Appearance Form: liquid

Colour: light yellow
PH 12.7 at 10 g/l at 25 °C
Melting point/freezing point Melting point/range: -80 °C at 1,013 hPa
Initial boiling point

and boiling range

 162 – 163 °C – lit.

162 °C at 1,013 hPa
Flash point 50 °C – closed cup
Density 0.916g/cm3 at 20℃
Vapour pressure 2.9 hPa at 20 °C

Description：
In organic synthesis, 1,1,3,3-tetramethylguanidine is used as a strong, non-nucleophilic base. 1,1,3,3-tetramethylguanidine is an efficient and selective catalyst for alcohol benzoylation.

Physical and chemical properties tetramethylguanidine is a colorless oily liquid, boiling point 160-162℃, density 0.918, refractive index 1.4692, is a strong organic base, soluble in toluene, cyclohexanone, ethanol, etc., also Chemicalbook soluble in water, easily hydrolyzed to tetramethyl urea in alkaline aqueous solution, corrosive, generally packed in galvanized iron drums.

Applications：
NT CAT TMG can also be used as a catalyst for polyurethane foam and for even dyeing of nylon, wool and other proteins to improve the durability of wool, etc. It is mainly used in the synthesis of cefradine and other drugs.

Storage Information：

NEWTOP Chemical recommends that our catalysts be stored in a dry and cool area under appropriate ventilation conditions. Each container should be closed tightly to avoid contamination with moisture or other negative influences that could change the products’ performance in the end use. The optimum storage temperature is between 10 °C and 30° C. Lower and higher storage temperatures are not preferable and should be avoided.

Shelf Life:

24 Months

Standard Packaging:

180KG Steel Drum

900KGl IBC Drum

Inquiry contact：[email protected]