3-Amino-4-hydroxybenzoic acid

3-Amino-4-hydroxybenzoic acid Basic information
Product Name:3-Amino-4-hydroxybenzoic acid
Synonyms:2-amino-4-carboxyphenol;TIMTEC-BB SBB006740;3-amino-4-hydroxybenzenecarboxylic acid;3-Amino-4-hydroxybenzoic acid,98%;2-Amino-4-carboxyphenol, 5-Carboxy-2-hydroxyaniline;3-AMino-4-hydroxybenzoic acid, 98% 25GR;3-AMino-4-hydroxybenzoic acid, 98% 5GR;BENZOIC ACID, 3-AMINO-4-HYDROXY-
CAS:1571-72-8
MF:C7H7NO3
MW:153.14
EINECS:216-390-2
Product Categories:Mass Spectrometry;Matrix Materials (MALDI-TOF-MS);API intermediates;Analytical Chemistry;Carboxylic Acids;Phenyls & Phenyl-Het;Alcohols and Derivatives;Amino Acids and Derivatives;Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;Carboxylic Acids;Phenyls & Phenyl-Het;Aromatic Amino Acids;Peptide Synthesis;Unnatural Amino Acid Derivatives
Mol File:1571-72-8.mol
3-Amino-4-hydroxybenzoic acid Structure
3-Amino-4-hydroxybenzoic acid Chemical Properties
Melting point 208 °C (dec.) (lit.)
Boiling point 276.03°C (rough estimate)
density 1.3585 (rough estimate)
refractive index 1.5500 (estimate)
storage temp. Keep in dark place,Inert atmosphere,Room temperature
solubility Soluble in solvents.
pka9.06±0.18(Predicted)
form Crystalline Powder
color Beige-gray to brown
λmax308nm(H2O (pH 11))(lit.)
Sensitive Light Sensitive
BRN 972238
CAS DataBase Reference1571-72-8(CAS DataBase Reference)
Safety Information
Hazard Codes Xn,Xi
Risk Statements 22-36/37/38
Safety Statements 26-36
WGK Germany 3
Hazard Note Irritant
HazardClass IRRITANT, AIR SENSITIVE, LIGHT SENSITIVE
HS Code 29225090
MSDS Information
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3-Amino-4-hydroxybenzoic acid English
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3-Amino-4-hydroxybenzoic acid Usage And Synthesis
Chemical Propertiesbeige-grey to brown crystalline powder
Uses3-Amino-4-hydroxybenzoic acid is used to produce 4-acetoxy-3-acetylamino-benzoic acid with acetic acid anhydride at temperature of 0 - 20°C. This reaction will need reagents aq. HCl and NaOAc.
DefinitionChEBI: A monohydroxybenzoic acid that is 4-hydroxybenzoic acid carrying an additional amino substitutent at position 3.
Synthesis Reference(s)The Journal of Organic Chemistry, 54, p. 3740, 1989 DOI: 10.1021/jo00276a044
Methylparaben 4-HYDROXY-3-IODO-5-NITROBENZOIC ACID 4-Hydroxybenzoic acid METHYL 4-[3,5-BIS(METHOXYCARBONYL)PHENOXY]-3-AMINOBENZOATE Salicylic acid ETHYL 3-AMINO-4-METHOXYBENZOATE 4-Methoxy-3-nitrobenzoic acid 4-Aminobenzoic acid METHYL-3-NITRO-4-(3,5-DICARBOXYMETHYL-PHENOXY)-BENZOATE 3-Hydroxybenzoic acid proxymetacaine 6-Aminocaproic acid Glycine METHYL 4-METHOXY-3-NITROBENZOATE 3-Aminobenzoic acid 3-Amino-4-hydroxybenzoic acid Anthranilic acid Methyl 3-amino-4-methoxybenzoate

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