4-Chlorobenzoic acid CAS NO.74-11-3

4-Chlorobenzoic acid Basic information

Product Name:    4-Chlorobenzoic acid
Synonyms:    Indometacin EP Impurity A;Indomethacin EP Impurity A;Acemetacin Impurity 1（Acemetacin EP Impurity A）;Bezafibrate Impurity 2（Bezafibrate EP Impurity B）;Indomethacin USP RC B;AKOS 92635;AKOS BBS-00003713;RARECHEM AL BO 0054
CAS:    74-11-3
MF:    C7H5ClO2
MW:    156.57
EINECS:    200-805-9
Product Categories:    
Mol File:    74-11-3.mol

4-Chlorobenzoic acid Chemical Properties
Melting point     238-241 °C(lit.)
Boiling point     274-276 °C
density     1.540
refractive index     1.5812 (estimate)
Fp     238 °C
storage temp.     room temp
solubility     methanol: soluble1%, clear, colorless to faintly yellow
pka    3.98(at 25℃)
form     Crystalline Powder
color     White to yellow
PH    4.3 (0.08g/l, H2O, 20℃)
Water Solubility     soluble in hot water
λmax    284nm(EtOH)(lit.)
Merck     14,2125
BRN     907196
Stability:    Stable. Combustible. Incompatible with bases, strong oxidizing agents.
InChIKey    XRHGYUZYPHTUJZ-UHFFFAOYSA-N
CAS DataBase Reference    74-11-3(CAS DataBase Reference)
NIST Chemistry Reference    Benzoic acid, 4-chloro-(74-11-3)
EPA Substance Registry System    p-Chlorobenzoic acid (74-11-3)

Safety Information
Hazard Codes     Xn
Risk Statements     22-36/37/38
Safety Statements     26-36-37/39
WGK Germany     2
RTECS     DG4976010
Autoignition Temperature    545 °C
TSCA     Yes
HS Code     29163900
Hazardous Substances Data    74-11-3(Hazardous Substances Data)
Toxicity    LD50 orally in Rabbit: 1170 mg/kg