Chlorzoxazone – Pu catalyst

Structural formula

Physical competition number	028V
Molecular formula	C7H4ClNO2
Molecular weight	169.57
label	5-Chloro-2-benzoxazolone, Chlorzoxazone, 5-Chloro-2-benzoxazolone, 5-Chloro-2-benzoxazolone, 5-Chloro-2-hydroxybenzoxazole

Numbering system

CAS number:95-25-0

MDL number:MFCD00005717

EINECS number:202-403-9

RTECS number:DM5250000

BRN number:None

PubChem number:24277702

Physical property data

1. Properties: Crystal.

2. Density (g/mL, 20℃): Undetermined

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

4. Melting point (ºC): 191～191.5

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

6. Boiling point (ºC, KPa): Undetermined

7. Refractive index: Undetermined

8. Flash point (ºC): Undetermined

9. Specific rotation (º): Undetermined

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

11. Vapor pressure (mmHg, ºC): 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) distribution coefficient: Undetermined

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

18. Lower explosion limit (%, V/V): Undetermined

19. Solubility: Easily soluble in ammonia, soluble in methanol, ethanol, Isopropyl alcohol, slightly soluble in water.

Toxicological data

1. Acute toxicity: rat oral LD50: 763mg/kg; rat intraperitoneal LD50: 150mg/kg; mouse oral LD50: 900mg/kg; mouse intraperitoneal LD50: 4400mg/kg; mouse Intraperitoneal LD50: 50mg/kg; Subcutaneous LD50 in mice: 170mg/kg; Oral LD50 in hamsters: 662mg/kg; Intraperitoneal LD50 in hamsters: 166mg/kg; Mammalian intraperitoneal LD50: 550mg/kg;

Ecological data

Slightly harmful to water.

Molecular structure data

1. Molar refractive index: 39.18

2. Molar volume (cm³/mol): 114.0

3. Isotonic specific volume (90.2K ): 303.2

4. Surface tension (dyne/cm): 50.0

5. Polarizability (10-24cm3): 15.53

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: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 2

6. Topological molecule polar surface area 38.3

7 .Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 185

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.

Storage method

Store sealed in a cool, dry place. Make sure the workspace has good ventilation. Keep sealed. Keep away from sources of fire and store away from oxidizing agents.

Synthesis method

It is prepared from 2-amino-5-chlorobenzoxazole.

Purpose

None