2-Nitrotoluene CAS: 88-72-2 Important raw materials for dyes, coatings, plastics and medicines

8 7 月, 2026

2-Nitrotoluene CAS: 88-72-2 Important raw materials for dyes, coatings, plastics and medicines

Alias: 2-Nitrotoluene, 2-Nitrotoluene,
1-Methyl-2-nitrobenzene, 1-Methyl-2-nitrobenzene, molecular formula: C7H7NO2

Molecular weight: 137

CAS number: 88-72-2

Physical property data
1.Character: slightly yellow liquid

2. Melting point (℃): -9.5

3. Boiling point (℃): 222

4. Relative density (water=1): 1.16

5. Relative vapor density (air=1): 4.72

6. Saturated vapor pressure (kPa): 0.03 (25℃)

7. Heat of combustion (kJ/mol): -3593.1

8. Critical pressure (MPa): 3.8

9. Octanol/water partition coefficient: 2.3

10. Flash point (℃): 106 (CC); 95 (OC)

11. Ignition temperature (℃): 305[11]

12. Explosion limit: No information yet

13. Lower explosion limit (%): 2.2

14. Solubility: insoluble in water, soluble in ethanol, ether, benzene, acetone, chloroform, petroleum ether

Storage method
Store in a cool, ventilated warehouse. Keep away from fire and heat sources. Keep container tightly sealed. They should be stored separately from oxidants, reducing agents, alkalis, and food chemicals, and avoid mixed storage. Equipped with corresponding varieties and quantities of fire-fighting equipment. The storage area should be equipped with emergency spill treatment equipment and suitable containment materials.

use
1. Mainly used in the production of o-toluidine and toluidine, which are important raw materials for dyes, coatings, plastics and medicines. In the pharmaceutical industry, it is used to produce nifedipine, Tongjingning, imipramine hydrochloride, bromexamine hydrochloride, diclofenac penicillin sodium, etc. Also used as solvent.

2. Used in the synthesis of various dyes