2-Chlorobenzoic acid CAS 118-91-2 C7H5ClO2 OCBA O-Chlorobenzoic acid Pharmaceutical Intermediates
Basic Information
Model Number : HMHT0143
Cas: 118-91-2
Einecs: 204-285-4
Chemical Formula: C7H5Clo2
Molecular Weight: 156.57
Inchi: Inchi=1/C7H5Clo2/C8-6-4-2-1-3-3-5 (6) 7 (9) 10/H1-4H, (H, 9,10)/P-1
Inchikey: Ikclcgxpqilanta Uhffffaoysa N
Density: 1.544
Melting Point: 139-143 ℃
Product Parameters
Boiling Point | 275.7°C At 760 Mmhg |
Flash Point | 120.5°C |
Water Solubility | Soluble In Hot Water |
Vapor Pressure | 0.00242Mmhg At 25°C |
Solubility | Easily soluble in alcohol and ether, soluble in 900 parts of cold water, more soluble in hot water, insoluble in toluene. |
Refractive Index | 1.5812 (Estimate) |
Acidity Coefficient | 2.92(At 25℃) |
Ph Value | 3.4 (0.2G/L, H2O, 20℃) |
Storage Conditions | Store Below +30°C. |
Risk term R36/37/38- Irritating to eyes, respiratory system, and skin.
Safety term S26- After accidental contact with eyes, immediately rinse with plenty of water and seek medical advice.
S37/39- Wear appropriate gloves and goggles or masks.
The properties are similar to white coarse powder.
Melting point 142 ℃
Relative density 1.544g/cm3
Solubility insoluble in water, 95% ethanol solution, and toluene solution, soluble in methanol, anhydrous ethanol, ether, acetone, and benzene.
Application
The product is used as an intermediate in medicine and pesticides, mainly for the preparation of chlorpromazine, anti-inflammatory drugs and other drugs, as well as for dyes and color films
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