4-Aminobenzoic acid CAS#150-13-0
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Chemical Name: 4-Aminobenzoic acid
Appearance: White to off white crystalline powder
4-Aminobenzoic acid : The Complete Guide
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Description of 4-Aminobenzoic acid
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 of 4-Aminobenzoic acid
4-Aminobenzoic acid;PABA,Vitamin Bx,Vitamin H1;Benzoic acid, 4-amino-;
P261; P280; P305 + P351 + P338
H315; H317; H319; H335; H413
Appearance & Physical State
White to off white crystalline powder
339.9ºC at 760 mmHg
4.7 g/L (20 ºC)
Stable. Incompatible with strong oxidizing agents. Combustible. Sensitive to light and air. May discolour on exposure to light.
3.45E-05mmHg at 25°C
What is 4-Aminobenzoic acid?
With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Ambroxan which has developed particularly rapidly in recent years. Do you know about Ambroxan?
The official answer: Para-aminobenzoic acid (PABA) is a compound formed when the para-position (4-position) on the benzene ring of benzoic acid is substituted with an amino group
What’s the application of 4-Aminobenzoic acid?
1.Use as intermediate of medicine and dyestuff
2.Use as dyestuff and pharmaceutical intermediates. Used in the production of reactive red M-80, M-10B, reactive red violet X-2R and other dyestuffs as well as the production of cyanobenzoic acid to produce the drug p-carboxybenzylamine. P-aminobenzoic acid can be used as sunscreen, its derivatives p-dimethylcarbamic acid octyl ester, is an excellent sunscreen agent, the trade name PadimateO.
- Use as a reagent for the determination of copper. It is used in the synthesis of esters, folic acid and azo dyes. Use as an analytical reagent, sunscreen, also used in pharmaceutical and dye industry
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