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

74-11-3 - Names and Identifiers
Name    4-Chlorobenzoic acid
Synonyms    PCBA
AKOS 92635
4-chlorobenzoate
AKOS BBS-00003713
p-Chlorbenzoic acid
RARECHEM AL BO 0054
4-Chlorobenzoic acid
P-Chlorobenzoic Acid
4-chlorobenzoic aicd
Indomethacin USP RC B
Para-chlorobenzoic Acid
Indomethacin EP Impurity A
Indometacin EP Impurity A
CAS    74-11-3
EINECS    200-805-9
InChI    InChI=1/C7H5ClO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,(H,9,10)/p-1
InChIKey    XRHGYUZYPHTUJZ-UHFFFAOYSA-N

74-11-3 - Physico-chemical Properties
Molecular Formula    C7H5ClO2
Molar Mass    156.57
Density    1.540
Melting Point    238-241°C(lit.)
Boling Point    274-276 °C
Flash Point    238 °C
Water Solubility    soluble in hot water
Solubility    Soluble in methanol, anhydrous ethanol and ether, insoluble in water, 95% ethanol and toluene
Vapor Presure    0.00117mmHg at 25°C
Appearance    White solid
Color    White to yellow
Maximum wavelength(λmax)    ['284nm(EtOH)(lit.)']
Merck    14,2125
BRN    907196
pKa    3.98(at 25℃)
PH    4.3 (0.08g/l, H2O, 20℃)
Storage Condition    room temp
Stability    Stable. Combustible. Incompatible with bases, strong oxidizing agents.
Sensitive    Easily absorbing moisture
Refractive Index    1.5812 (estimate)
MDL    MFCD00002531
Physical and Chemical Properties    Melting point 240-243°C
boiling point 274-276°C (subl.)
flash point 238°C
water-soluble solution in hot water
Use    For pharmaceuticals, pesticides and dyes and intermediates in organic synthesis