4-Amino-3-hydroxybenzoic acid CAS#: 2374-03-0; ChemWhat Code: 94210
Names & Identifiers |
| Product Name | 4-Amino-3-hydroxybenzoic acid |
| Synonyms | BENZOIC ACID, 4-AMINO-3-HYDROXY-;4-AMINO-3-HYDROXYBENZOIC ACID;3-HYDROXY-4-AMINOBENZOIC ACID;4-AMINO-3-HYDROXYBENZOIC ACID 97%;3-Hydroxy PABA;4-Amino-3-hydroxybenzoic acid,98%;3-hydroxy-4-AMino acid;4-Carboxy-2-hydroxyaniline, 2-Amino-5-carboxyphenol |
| CAS Registry Number | 2374-03-0 |
| Molecular Formula | C7H7NO3 |
| Molecular Weight | 153.14 |
| EINECS | |
| Other Registry Numbers | ; |
| More Identifiers on PubChem | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
![]() |
|
Chemical & Physical Properties |
| Melting point | 211-215 °C(lit.) |
| Density | 1.028 |
| form | Crystalline Powder |
| Color | Yellow-brown to brown |
| Water Solubility | Soluble in chloroform, and aqeous ethanol, water (Partly miscible) |
| BRN | 509859 |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | Xn,Xi |
| R Phrase | 36/37/38-22 |
| S Phrase | 26-37/39 |
| WGK Germany | 3 |
| Hazard Note | Irritant |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
Buy Reagent | |
| No reagent supplier? | Send quick inquiry to ChemWhat |
| Want to be listed here as a reagent supplier? (Paid service) | Click here to contact ChemWhat |
Approved Manufacturers | |
| Want to be listed as an approved manufacturer (Requires approvement)? | Please download and fill out this form and send back to approved-manufacturers@chemwhat.com |
Other Suppliers | |
| Watson International Limited | Visit Watson Official Website |
Contact Us for Other Help | |
| Contact us for other information or services | Click here to contact ChemWhat |


