≥98%(N)(T) 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488180867 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488180867 |
| Canonical Smiles | C1=CC(=C(C=C1N)N)O.Cl.Cl |
| IUPAC Name | 2,4-diaminophenol;dihydrochloride |
| InChIKey | KQEIJFWAXDQUPR-UHFFFAOYSA-N |
| INCHI | 1S/C6H8N2O.2ClH/c7-4-1-2-6(9)5(8)3-4;;/h1-3,9H,7-8H2;2*1H |
| Isomeric SMILES | C1=CC(=C(C=C1N)N)O.Cl.Cl |
| WGK Germany | 3 |
| RTECS | SK7600000 |
| Alternate CAS | Free Base: 95-86-3 |
| PubChem CID | 8715 |
| UN Number | 2811 |
| Packing Group | I |
| Molecular Weight | 197.06 |
| Reaxy-Rn | 3913728 |
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 | Aniline and substituted anilines |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Aniline and substituted anilines |
| Alternative Parents | p-Aminophenols o-Aminophenols 1-hydroxy-2-unsubstituted benzenoids Primary amines Organopnictogen compounds Organooxygen compounds Hydrochlorides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Aminophenol - P-aminophenol - O-aminophenol - Aniline or substituted anilines - Phenol - 1-hydroxy-2-unsubstituted benzenoid - Hydrocarbon derivative - Organic nitrogen compound - Hydrochloride - Primary amine - Amine - Organooxygen compound - Organonitrogen compound - Organopnictogen compound - Organic oxygen compound - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as aniline and substituted anilines. These are organic compounds containing an aminobenzene 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 |
|---|---|---|---|
 D2622027 | Certificate of Analysis | Apr 28, 2026 | A151245 |
| F2222328 | Certificate of Analysis | Apr 02, 2026 | A151245 |
| F2222315 | Certificate of Analysis | Apr 02, 2026 | A151245 |
| B2221092 | Certificate of Analysis | Dec 10, 2025 | A151245 |
| A2213017 | Certificate of Analysis | Oct 17, 2025 | A151245 |
| F2115042 | Certificate of Analysis | Mar 04, 2025 | A151245 |
| E2512509 | Certificate of Analysis | Apr 27, 2024 | A151245 |
| E2507235 | Certificate of Analysis | Apr 27, 2024 | A151245 |
| D2008050 | Certificate of Analysis | Jan 16, 2024 | A151245 |
| L1909029 | Certificate of Analysis | Sep 07, 2023 | A151245 |
| C2317390 | Certificate of Analysis | Mar 24, 2023 | A151245 |
| C2306865 | Certificate of Analysis | Mar 16, 2023 | A151245 |
| B2315524 | Certificate of Analysis | Feb 22, 2023 | A151245 |
| B2315105 | Certificate of Analysis | Feb 22, 2023 | A151245 |
| B2315590 | Certificate of Analysis | Jun 04, 2022 | A151245 |
| F2222316 | Certificate of Analysis | Jun 04, 2022 | A151245 |
| B2221102 | Certificate of Analysis | Jan 07, 2022 | A151245 |
| B2221089 | Certificate of Analysis | Jan 07, 2022 | A151245 |
| Solubility | Soluble in water; very faint turbidity [27.5 g/100 mL (15°C).] |
|---|---|
| Sensitivity | light sensitive |
| Melt Point(°C) | 205°C |
| Molecular Weight | 197.060 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 5 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 196.017 Da |
| Monoisotopic Mass | 196.017 Da |
| Topological Polar Surface Area | 72.300 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 97.100 |
| 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 | 3 |
| 1. Hang Fan, Tiantian Xie, Yang Pang, Shiyang Zhu, Pengju Feng, Xuanbo Zhu, Chengji Zhao, Shaowei Guan, Hongyan Yao. (2023) Sulfonated Polyimide Membranes Constructed by Main-Chain and Molecular-Network Engineering Strategy for Direct Methanol Fuel Cell. MACROMOLECULAR RAPID COMMUNICATIONS, 45 (3): (2300502). [PMID:37996994] [10.1002/marc.202300502] |
| 2. Yongjiu Li, Qianqian Liang, Ruopei Xu, Xin Li, Dajie Zhang, Yongbing Zhuang, Longbo Luo, Junwei Lv, Wen Zhai, Xiangyang Liu. (2022) Preparation of aromatic polyamide with ultra-high intrinsic breakdown strength via layered stacking structure induced by coplanar monomer. POLYMER, [PMID:] [10.1016/j.polymer.2022.125170] |
