4-Methyl-3-nitrobenzoic acid

Structural formula

Business number	02BQ
Molecular formula	C8H7NO4
Molecular weight	181.15
label	3-nitro-4-methylbenzoic acid, 3-Nitro-4-methylbenzoic acid

Numbering system

CAS number:96-98-0

MDL number:MFCD00007174

EINECS number:202-549-3

RTECS number:None

BRN number:1874411

PubChem ID:None

Physical property data

1. Appearance: white light yellow powder

2. Density (g/mL, 20℃):

3. Relative vapor density (g/mL, air=1 ): Undetermined

4. Melting point (ºC): 187-190

5. Boiling point (ºC, normal pressure): Undetermined

6. Boiling point (ºC, kPa): Not determined

7. Refractive index: Not determined

8. Flash point (ºC): Not determined

9. Specific rotation Degree (º): Undetermined

10. Autoignition point or ignition temperature (ºC): Undetermined

11. Vapor pressure (mmHg, 20.2ºC): Undetermined

12. Saturated vapor pressure (kPa, ºC): Undetermined

13. Heat of combustion (KJ/mol): Undetermined

14. Critical temperature (ºC ): Undetermined

15. Critical pressure (KPa): Undetermined

16. Log value of oil-water (octanol/water) partition coefficient: Undetermined

17. Explosion upper limit (%, V/V): Undetermined

18. Explosion lower limit (%, V/V): Undetermined

19. Solubility: Undetermined OK

Toxicological data

None

Ecological data

This substance is slightly hazardous to water.

Molecular structure data

1. Molar refractive index: 44.55

2. Molar volume (cm³/mol): 130.0

3. Isotonic specific volume (90.2K ): 362.5

4. Surface tension (dyne/cm): 60.3

5. Polarizability (10-24cm3): 17.66

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 4

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: 3

6. Topological molecule polar surface area 83.1

7. Number of heavy atoms: 13

8. Surface charge: 0

9. Complexity: 223

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

Avoid contact with oxides.

StorageSaving method

Store in a cool, ventilated warehouse. Keep away from fire and heat sources. Keep container tightly sealed. should be kept away from oxidizer, do not store together. Equipped with the appropriate variety and quantity of fire equipment. Suitable materials should be available in the storage area to contain spills.

Synthesis method

None

Purpose

Used as pharmaceutical and dye intermediates.