Description
2,3-Diaminobenzoic acid (CAS No. 603-81-6) is a high-purity aromatic compound with the molecular formula C7H8N2O2. This fine chemical is an essential building block in organic synthesis, particularly for heterocyclic compounds and coordination chemistry applications. The presence of both amino and carboxylic acid functional groups on the aromatic ring makes this compound a versatile intermediate for pharmaceutical, agrochemical, and materials science research. Our product is rigorously tested to ensure >98% purity (HPLC) and is supplied as a light-sensitive, off-white to beige crystalline powder. Proper storage at 2-8°C under inert atmosphere is recommended for long-term stability. Available in research quantities from milligrams to kilograms, with custom packaging options available for industrial-scale requirements.
Properties
- CAS Number: 603-81-6
- Complexity: 161
- IUPAC Name: 2,3-diaminobenzoic acid
- InChI: InChI=1S/C7H8N2O2/c8-5-3-1-2-4(6(5)9)7(10)11/h1-3H,8-9H2,(H,10,11)
- InChI Key: KKTUQAYCCLMNOA-UHFFFAOYSA-N
- Exact Mass: 152.058577502
- Molecular Formula: C7H8N2O2
- Molecular Weight: 152.15
- SMILES: C1=CC(=C(C(=C1)N)N)C(=O)O
- Topological: 89.3
- Monoisotopic Mass: 152.058577502
- Synonyms: 2,3-Diaminobenzoic acid, 603-81-6, 624-709-5, Diaminobenzoic acid, Benzoic acid, diamino-, 27576-04-1, 3-Carboxy-1,2-diaminobenzene, MFCD00137818, 2,3-diamino benzoic acid, SCHEMBL73593, DTXSID2067321, 2,3-Diaminobenzoic acid, 95%, KKTUQAYCCLMNOA-UHFFFAOYSA-N, SBB014432, STK689866, AKOS005151964, FD03094, GS-6682, SB75728, AC-23068, BP-21351, SY017832, DB-050515, ST4134161, CS-0119510, EN300-67278
Application
2,3-Diaminobenzoic acid serves as a key precursor in the synthesis of benzimidazole derivatives with potential pharmaceutical applications. In materials science, it’s used to prepare metal-organic frameworks (MOFs) and coordination polymers due to its chelating properties. The compound also finds use as a reagent for analytical chemistry applications, particularly in spectrophotometric determination of various metal ions.
Safety and Hazards
GHS Hazard Statements
- H302 (97.7%): Harmful if swallowed [Warning Acute toxicity, oral]
- H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Precautionary Statements
- P264, P264+P265, P270, P280, P301+P317, P305+P351+P338, P330, P337+P317, and P501
Hazard Classes and Categories
- Acute Tox. 4 (97.7%)
- Eye Irrit. 2 (100%)
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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.


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