Structural formula

Business number	02BP
Molecular formula	C7H5NO5
Molecular weight	183.12
label	2-Hydroxy-5-nitrobenzoic acid, 2-Hydroxy-5-nitro-benzoic acid

• Numbering system
• Physical property data
• Toxicological data
• Ecological data
• Molecular structure data
• Computing chemical data
• More
  • Properties and Stability
  • Storage method
  • Synthesis method
  • Purpose

Numbering system

CAS number:96-97-9

MDL number:MFCD00007338

EINECS number:202-548-8

RTECS number:None

BRN number:2213719

PubChem number:24854897

Physical property data

1. Properties: light yellow crystal.

2. Density (g/mL, 20℃): 1.65

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

4. Melting point (oC): 228-230

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

6. Boiling point (oC, kPa): Undetermined

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7. Refractive index: Undetermined

8. Flash point (oC): Undetermined

9. Specific rotation (o): Undetermined

10. Autoignition point or ignition temperature (oC): Not determined

11. Vapor pressure (mmHg, 20.2oC): Not determined

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 alcohol and ether.

Toxicological data

None

Ecological data

This substance is slightly hazardous to water.

Molecular structure data

1. Molar refractive index: 41.61

2. Molar volume (cm³/mol): 112.2

3. Isotonic specific volume (90.2K ): 339.8

4. Surface tension (dyne/cm): 84.1

5. Polarizability (10-24cm3): 16.49

Compute chemical data

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

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 5

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: 4

6. Topological molecule polar surface area 103

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.

Storage 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

It is produced by nitrification of salicylic acid with nitric acid.

Purpose

Used as pharmaceutical and dye intermediates.

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