Determine the necessary mass, volume, or concentration for preparing a solution.
≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 13 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Undergoes cyclocondensations to form, for example, quinoxalines and benzimidazoles.
3,4-Diaminobenzoic acid can be used to prepare:
· Schiff base derivatives by reacting with substituted aldehydes and their corresponding metal complexes.
· Poly(2,5-benzimidazole) (ABPBI) polymer by reacting with methanesulfonic acid and P2O5.
· Pt-based Schiff base complexes applicable in H2O splitting reactions.
3,4-Diaminobenzoic acid undergoes cyclocondensations to form, for example, quinoxalines and benzimidazoles
| Pubchem Sid | 488184272 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488184272 |
| Canonical Smiles | C1=CC(=C(C=C1C(=O)O)N)N |
| IUPAC Name | 3,4-diaminobenzoic acid |
| InChIKey | HEMGYNNCNNODNX-UHFFFAOYSA-N |
| INCHI | 1S/C7H8N2O2/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3H,8-9H2,(H,10,11) |
| Isomeric SMILES | C1=CC(=C(C=C1C(=O)O)N)N |
| WGK Germany | 1 |
| Molecular Weight | 152.15 |
| Beilstein | 775892 |
| Reaxy-Rn | 775892 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=775892&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Benzenoids |
| Class | Benzene and substituted derivatives |
| Subclass | Benzoic acids and derivatives |
| Intermediate Tree Nodes | Aminobenzoic acids and derivatives |
| Direct Parent | Aminobenzoic acids |
| Alternative Parents | Benzoic acids Benzoyl derivatives Aniline and substituted anilines Amino acids Monocarboxylic acids and derivatives Carboxylic acids Primary amines Organopnictogen compounds Organooxygen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Aminobenzoic acid - Benzoic acid - Benzoyl - Aniline or substituted anilines - Amino acid or derivatives - Amino acid - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Amine - Organonitrogen compound - Organooxygen compound - Primary amine - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as aminobenzoic acids. These are benzoic acids containing an amine group attached to the benzene moiety. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Jun 11, 2026 | D139094 | |
| Certificate of Analysis | Nov 24, 2025 | D139094 | |
| Certificate of Analysis | Sep 09, 2025 | D139094 | |
| Certificate of Analysis | Sep 09, 2025 | D139094 | |
| Certificate of Analysis | Aug 19, 2025 | D139094 | |
| Certificate of Analysis | Apr 16, 2024 | D139094 | |
| Certificate of Analysis | Oct 12, 2023 | D139094 | |
| Certificate of Analysis | Jun 06, 2023 | D139094 | |
| Certificate of Analysis | Jun 06, 2023 | D139094 | |
| Certificate of Analysis | Jan 09, 2023 | D139094 | |
| Certificate of Analysis | Jun 22, 2022 | D139094 | |
| Certificate of Analysis | Jan 25, 2022 | D139094 | |
| Certificate of Analysis | Jan 17, 2022 | D139094 | |
| Certificate of Analysis | Jan 17, 2022 | D139094 | |
| Certificate of Analysis | Jan 17, 2022 | D139094 | |
| Certificate of Analysis | Jan 17, 2022 | D139094 | |
| Certificate of Analysis | Jan 17, 2022 | D139094 | |
| Certificate of Analysis | Jan 17, 2022 | D139094 |
| Solubility | Soluble in water (2.2 mg/ml at 20°C), DMF, and methanol (10 mg/ml). |
|---|---|
| Melt Point(°C) | 208 °C |
| Molecular Weight | 152.150 g/mol |
| XLogP3 | 0.200 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 152.059 Da |
| Monoisotopic Mass | 152.059 Da |
| Topological Polar Surface Area | 89.300 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 161.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
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| 4. Quan Yuan, Guo-Hua Sun, Ke-Fei Han, Jing-Hua Yu, Hong Zhu, Zhong-Ming Wang. (2016) Copolymerization of 4-(3,4-diamino-phenoxy)-benzoic acid and 3,4-diaminobenzoic acid towards H3PO4-doped PBI membranes for proton conductor with better processability. EUROPEAN POLYMER JOURNAL, [PMID:] [10.1016/j.eurpolymj.2016.10.002] |
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