Your Location:Home >Products >Fine Chemicals >1571-72-8
Appearance:Solid
Throughput:100|Kilogram|Day
pd_productuse:intermediate
Delivery Time:in stock
Purity:97% purity
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.
pka 9.06±0.18(Predicted)
form Crystalline Powder
color Beige-gray to brown
λmax 308nm(H2O (pH 11))(lit.)
Sensitive Light Sensitive
BRN 972238
CAS DataBase Reference 1571-72-8(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
Provider Language
3-Amino-4-hydroxybenzoic acid English
SigmaAldrich English
ACROS English
ALFA English
3-Amino-4-hydroxybenzoic acid Usage And Synthesis
Chemical Properties beige-grey to brown crystalline powder
Definition ChEBI: 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
3-Amino-4-hydroxybenzoic acid Preparation Products And Raw materials
Raw materials Benzoic acid, 4-hydroxy-3-(2-phenyldiazenyl)--->3-(Acetylamino)-4-hydroxybenzoic acid-->4-Hydroxy-3-nitrobenzoic acid-->ETHYL 4-HYDROXY-3-NITROBENZOATE-->ETHYL 3-AMINO-4-HYDROXYBENZOATE-->Butylparaben-->Methyl 3-nitro-4-hydroxybenzoate-->Methyl 3-amino-4-hydroxybenzoate-->4-Hydroxybenzoic acid-->4-Chloro-3-nitrobenzoic acid
Preparation Products LCP polybenzoxazole liquid crystal-->2-OXO-2,3-DIHYDRO-BENZOOXAZOLE-5-CARBOXYLIC ACID-->3,5-DIIODO-4-HYDROXYBENZOIC ACID-->METHYL 1,3-BENZOXAZOLE-5-CARBOXYLATE-->5-Carboxy-8-hydroxyquinoline-->METHYL 4-HYDROXY-3-IODOBENZOATE-->Sulfanilamide
CAS:885523-08-0
CAS:517920-73-9
CAS:6081-61-4
CAS:86632-33-9