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  • 4-Aminobenzoic acid,cas no 150-13-0
4-Aminobenzoic acid,cas no 150-13-0

4-Aminobenzoic acid,cas no 150-13-0

Product Name: 4-Aminobenzoic acid
Synonyms: Conivaptan impurity B;VITAMIN H1;VITAMIN BX;RARECHEM AL BO 0238;PABA;P-AMINOBENZOIC ACID;P-ANIMOBENZOIC ACID;PARA AMINO BENZOIC ACID
CAS: 150-13-0
MF: C7H7NO2
MW: 137.14
EINECS: 205-753-0
Purity: 99%
4-Aminobenzoic acid Structure

Melting point  187-189 °C(lit.)
Boiling point  251.96°C (rough estimate)
density  1.374 g/mL at 25 °C(lit.)
refractive index  1.5323 (estimate)
Fp  250 °C
storage temp.  2-8°C
solubility  95% ethanol: soluble5%, clear to slightly hazy, colorless to yellow
form  Crystalline Powder
pka 2.50, 4.87(at 25℃)
color  White to light yellow
PH 3.5 (5g/l, H2O, 20℃)
Water Solubility  4.7 g/L (20 ºC)
Sensitive  Air & Light Sensitive
Merck  14,423
BRN  471605
Stability: Stable. Incompatible with strong oxidizing agents. Combustible. Sensitive to light and air. May discolour on exposure to light.
InChIKey ALYNCZNDIQEVRV-UHFFFAOYSA-N










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