4-Amino-3-hydroxybenzoic acid

Product Name: 4-Amino-3-hydroxybenzoic acid
CAS No.: 2374-03-0
Chemical Name: 4-Amino-3-hydroxybenzoic acid
Synonyms: 3-Hydroxy PABA;3-hydroxy-4-AMino acid;Oxybuprocaine Impurity 3;Oxybuprocaine EP Impurity C;3-HYDROXY-4-AMINOBENZOIC ACID;4-AMINO-3-HYDROXYBENZOIC ACID;3-hydroxy-4-aminobenzoic Acids;BENZOIC ACID, 4-AMINO-3-HYDROXY-;4-Amino-3-hydroxybenzoic Acid >4-Amino-3-hydroxybenzoic acid,98%
CBNumber: CB1733439
Molecular Formula: C7H7NO3
Formula Weight: 153.14
MOL File: 2374-03-0.mol

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4-Amino-3-hydroxybenzoic acid Property

Melting point:: 211-215 °C (lit.)
Boiling point:: 385.7±37.0 °C(Predicted)
Density: 1.028
storage temp.: Keep in dark place,Sealed in dry,Room Temperature
solubility: DMSO (Slightly), Methanol (Slightly)
form: Crystalline Powder
pka: 4.74±0.10(Predicted)
color: Yellow-brown to brown
Water Solubility: Soluble in chloroform, and aqeous ethanol, water (Partly miscible)
BRN: 509859
InChI: InChI=1S/C7H7NO3/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,9H,8H2,(H,10,11)
InChIKey: NFPYJDZQOKCYIE-UHFFFAOYSA-N
SMILES: C(O)(=O)C1=CC=C(N)C(O)=C1
CAS DataBase Reference: 2374-03-0(CAS DataBase Reference)

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Safety

Hazard Codes: Xn,Xi
Risk Statements: 36/37/38-22
Safety Statements: 26-37/39
WGK Germany: 3
Hazard Note: Irritant
HS Code: 29225090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 339598
Product name: 4-Amino-3-hydroxybenzoic acid
Purity: 97%
Packaging: 5g
Price: $58.58
Updated: 2025/07/31

Sigma-Aldrich

Product number: 339598
Product name: 4-Amino-3-hydroxybenzoic acid
Purity: 97%
Packaging: 25g
Price: $156
Updated: 2025/07/31

TCI Chemical

Product number: A1194
Product name: 4-Amino-3-hydroxybenzoic Acid
Purity: >98.0%(HPLC)(T)
Packaging: 5g
Price: $43
Updated: 2025/07/31

TCI Chemical

Product number: A1194
Product name: 4-Amino-3-hydroxybenzoic Acid
Purity: >98.0%(HPLC)(T)
Packaging: 25g
Price: $139
Updated: 2025/07/31

TRC

Product number: A611215
Product name: 4-Amino-3-hydroxybenzoic acid
Packaging: 5G
Price: $50
Updated: 2021/12/16

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4-Amino-3-hydroxybenzoic acid Chemical Properties,Usage,Production

Chemical Properties

yellow-brown to brown crystalline powder

Uses

4-Amino-3-hydroxybenzoic Acid is disubsituted benzoic acid used in the preparation of various pharmaceutical compounds such as sphingosine kinase inhibitors.

Uses

4-Amino-3-hydroxybenzoic acid is used in the preparation of various pharmaceutical compounds such as sphingosine kinase inhibitors.

reaction suitability

reaction type: solution phase peptide synthesis

4-Amino-3-hydroxybenzoic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Amino-3-hydroxybenzoic acid Suppliers

Americas 1 Belgium 1 Canada 1 China 303 Europe 3 Germany 3 India 39 Japan 1 Slovakia 1 South Korea 1 Switzerland 3 United Kingdom 17 United States 32 Global 406

Xi'an Yutebang New Material Technology Co., Ltd.

Tel: 029-84536388 18717328141
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SHANGHAI YINGRUI CHEMICAL TECHNOLOGY CO.,LTD.

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Hangzhou Bright Pharma Biotechnology Co., Ltd.

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Qingdao Yuanhua New Materials Co., Ltd

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Wuhan EnTai Technology Development Co,.Ltd

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J & K SCIENTIFIC LTD.

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Alfa Aesar

Tel: 400-6106006
Fax: 021-67582001/03/05
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TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
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View Lastest Price from 4-Amino-3-hydroxybenzoic acid manufacturers

Jinan Ruitong Biotech Co., Ltd.

Product: 4-amino-3-Hydroxy benzoic acid 2374-03-0
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 1
Release date: 2025-08-25

Shaanxi Dideu New Materials Co. Ltd

Product: 4-Amino-3-hydroxybenzoic acid 2374-03-0
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98.0%
Supply Ability: 10000KGS
Release date: 2025-05-07

Hebei Chuanghai Biotechnology Co., Ltd

Product: 4-Amino-3-hydroxybenzoic acid 2374-03-0
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-12-09

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4-AMINO-3-HYDROXYBENZOIC ACID

3-HYDROXY-4-AMINOBENZOIC ACID

4-AMINO-3-HYDROXYBENZOIC ACID 97%

BENZOIC ACID, 4-AMINO-3-HYDROXY-

3-Hydroxy PABA

4-Amino-3-hydroxybenzoic acid,98%

4-AMino-3-hydroxybenzoic acid, 98% 5GR

3-hydroxy-4-AMino acid

4-Carboxy-2-hydroxyaniline, 2-Amino-5-carboxyphenol

3-hydroxy-4-aminobenzoic Acids

4-Amino-3-hydroxybenzoic Acid &gt

Oxybuprocaine EP Impurity C

Oxybuprocaine Impurity 3（Oxybuprocaine EP Impurity C)

4-Amino-3-hydroxybenzoic acid USP/EP/BP

Oxybuprocaine hydrochloride EP Impurity C

Oxybuprocaine Impurity 3

Oxybuprocaine Hydrochloride Impurity C

Benoxinate Hydrochloride Impurity C（Oxybuprocaine EP Impurity C）

Benoxinate Hydrochloride Impurity C

2374-03-0

C07H07N1O3

H2NC6H3OHCO2H

Peptide Synthesis

Specialty Synthesis

Unnatural Amino Acid Derivatives

Aromatic Amino Acids

Carboxylic Acids

Phenyls & Phenyl-Het

Carboxylic Acids

Phenyls & Phenyl-Het

Aromatic Amino Acids

Peptide Synthesis

Unnatural Amino Acid Derivatives

Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts

john's