3-Amino-4-hydroxybenzoic acid
- CAS No.
- 1571-72-8
- Chemical Name:
- 3-Amino-4-hydroxybenzoic acid
- Synonyms
- TIMTEC-BB SBB006740;Mesalazine Impurity 12;2-amino-4-carboxyphenol;3-amino-4-hydroxybenzoate;4-HYDROXY-3-AMINOBENZOIC ACID;3-AMINO-4-HYDROXYBENZOIC ACID;BENZOIC ACID, 3-AMINO-4-HYDROXY-;3-Amino-4-hydroxybenzoic acid 97%;3-Amino-4-hydroxybenzoic acid,98%;3-AMINO-4-HYDROXYBENZOIC ACID USP
- CBNumber:
- CB8148119
- Molecular Formula:
- C7H7NO3
- Molecular Weight:
- 153.14
- MOL File:
- 1571-72-8.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/11/3 15:03:56
| 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 |
| Sensitive | Light Sensitive |
| λmax | 308nm(H2O (pH 11))(lit.) |
| BRN | 972238 |
| InChI | InChI=1S/C7H7NO3/c8-5-3-4(7(10)11)1-2-6(5)9/h1-3,9H,8H2,(H,10,11) |
| InChIKey | MRBKRZAPGUCWOS-UHFFFAOYSA-N |
| SMILES | C(O)(=O)C1=CC=C(O)C(N)=C1 |
| CAS DataBase Reference | 1571-72-8(CAS DataBase Reference) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P270-P301+P312-P302+P352-P305+P351+P338 | |||||||||
| 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 | |||||||||
| NFPA 704 |
|
3-Amino-4-hydroxybenzoic acid price More Price(4)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 289647 | 3-Amino-4-hydroxybenzoic acid 97% | 1571-72-8 | 5G | ₹2500.58 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 289647 | 3-Amino-4-hydroxybenzoic acid 97% | 1571-72-8 | 25G | ₹6581.6 | 2022-06-14 | Buy |
| TCI Chemicals (India) | A0859 | 3-Amino-4-hydroxybenzoic Acid | 1571-72-8 | 5G | ₹8600 | 2022-05-26 | Buy |
| TCI Chemicals (India) | A0859 | 3-Amino-4-hydroxybenzoic Acid | 1571-72-8 | 25G | ₹34300 | 2022-05-26 | Buy |
3-Amino-4-hydroxybenzoic acid Chemical Properties,Uses,Production
Chemical Properties
beige-grey to brown crystalline powder
Uses
3-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.
Application
3-Amino-4-hydroxybenzoic acid is the first matrix to be used specifically for carbohydrates. The other most commonly used matrices are α-cyano-4-hydroxycinnamic acid, 2,5-dihydroxybenzoic acid, and sinapinic acid. Matrix and sample solutions are mixed prior to laser exposure, spotted on a solid metallic surface, and allowed to dry before submitting them to MALDI. These matrices are characterized by high absorptivity of the laser radiation and the capability of forming fine crystalline solids during sample/matrix drying. In general, the more fine-grained and homogeneous the morphology of crystals formed with the analyte/matrix mixture, the more intense the MALDI mass spectrum of the analyte. 3-Amino-4-hydroxybenzoic acid produced [M+Na]+ ions from as little as 1 pmol of dextran hydrolysate and N-linked glycans released from glycoproteins.
Definition
ChEBI: A monohydroxybenzoic acid that is 4-hydroxybenzoic acid carrying an additional amino substitutent at position 3.
3-Amino-4-hydroxybenzoic acid Preparation Products And Raw materials
Raw materials
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