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  • 4-aminobenzoic acid  150-13-0
Name:4-aminobenzoic acid 150-13-0
CAS No:150-13-0

PRODUCT DESCRIPTION


Description

4-Aminobenzoic acid (also known as para-aminobenzoic acid or PABA because the number 4 carbon in the benzene ring is also known as the para position) is an organic compound with the formula H2NC6H4CO2H. PABA, a white-grey crystalline substance, is only slightly soluble in water. It consists of a benzene ring substituted with an amino group and a carboxyl group.

Basic Info

Chemical Name 4-aminobenzoic acid
Synonyms

4-Aminobenzoic acid;PABA,Vitamin Bx,Vitamin H1;Benzoic acid, 4-amino-;

CAS No. 150-13-0
Molecular Formula C7H7NO2
Molecular Weight 137.13600
PSA 63.32000
LogP 1.54820

Properties

Appearance & Physical State White to off white crystalline powder
Density 1.374
Boiling Point 339.9ºC at 760 mmHg
Melting Point 186-189ºC
Flash Point 159.4ºC
Refractive Index 1.5795
Water Solubility 4.7 g/L (20 ºC)
Stability Stable. Incompatible with strong oxidizing agents. Combustible. Sensitive to light and air. May discolour on exposure to light.
Storage Condition 2-8ºC
Vapor Pressure 3.45E-05mmHg at 25°C

Safety Info

RTECS DG1400000
Safety Statements S26-S37/39
HS Code 29224995
WGK Germany 3
Risk Statements R36/37/38
Hazard Codes Xi
Hazard Declaration H315; H317; H319; H335; H413
Signal Word Warning
Symbol GHS07
Caution Statement P261; P280; P305 + P351 + P338

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