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Brand:
AECOCHEMCAS NO.:
150-13-0Product Name:
4-Aminobenzoic acidSynonyms:
1-Amino-4-carboxybenzene; p-Aminobenzoic acid; PABAMolecular Formula:
C7H7NO2MW:
137.14Welcome to buy 4-Aminobenzoic acid CAS 150-13-0 from AECOCHEM,which would be your reliable partner in China.AECOCHEM is a professional chemicals supplier.If you are interested in 4-Aminobenzoic acid or want to purchase fromChina, please send E-mail to sales@aecochemical.com.
CAS No.: 150-13-0
Product Name: 4-Aminobenzoic acid
Synonyms: 1-Amino-4-carboxybenzene; p-Aminobenzoic acid; PABA
Molecular Formula: C7H7NO2
MW: 137.14
Properties：
Colorless acicular crystals. Change to light yellow in air or light. Soluble in hot water, ether, ethyl acetate, ethanol and glacial acetic acid, insoluble in water, benzene, insoluble in petroleum ether.
Specification:
|
Items |
Specification |
|
Characters |
White or off-white crystalline powder |
|
Identification |
IR should comply with the reference standars spectrum. |
|
UV should comply with the reference standard spectrum. |
|
|
Melting range |
186-189℃ |
|
Volatile diazoizable substances |
Not more than 0.002% |
|
Loss on drying |
Not more than 0.2% |
|
Residue on ignition |
Not more than 0.1% |
|
Heavy metals |
Not more than 0.002% |
|
Assay |
98.5-101.5% |
|
Ordinary impurities |
1% max |
|
Items |
Specification |
|
Appearance |
White crystalline powder |
|
Assay |
99.0% min |
|
Melting point |
186-189℃ |
|
Loss on drying |
0.5% max |
Product Package:
25kg/bag or25kg/fiber drum
Application:
Used as intermediate of medicine and dyestuff
Some photos of shipment:
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