2,5-Diaminotoluene sulfate
Synonym(s):2,5-Toluenediamine sulfate;2-Methyl-p-phenylenediamine sulfate salt
- CAS NO.：615-50-9
- Empirical Formula: C7H12N2O4S
- Molecular Weight: 220.24
- MDL number: MFCD00013003
- EINECS: 210-431-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-17 09:50:05
What is 2,5-Diaminotoluene sulfate?
Chemical properties
White Redish Powder
The Uses of 2,5-Diaminotoluene sulfate
2,5-Diaminotoluene sulfate is a primary intermediate in various permanent hair dyes.
Definition
ChEBI: 2,5-diaminotoluene sulfate is an organic sulfate salt obtained by combining 2,5-diaminotoluene with one molar equivalent of sulfuric acid; occurs as an intermediate during hair dye formulation. It has a role as an allergen. It is an organic sulfate salt and a diamine. It is functionally related to a 2-methyl-1,4-phenylenediamine.
General Description
2,5-Diaminotoluene sulfate occurs as an intermediate during hair dye formulation.
Flammability and Explosibility
Non flammable
Safety Profile
Poison by ingestion and intraperitoneal routes. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx and SOx. See also SULFATES.
Properties of 2,5-Diaminotoluene sulfate
| Melting point: | >300 °C(lit.) |
| Density | 1366[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | 2-8°C |
| solubility | 9.6g/l |
| form | powder to crystal |
| pka | 6.39[at 20 ℃] |
| color | White to Light yellow to Light red |
| PH | 1.8 (9.6g/l, H2O, 20℃) |
| Water Solubility | soluble |
| BRN | 3755478 |
| CAS DataBase Reference | 615-50-9(CAS DataBase Reference) |
| EPA Substance Registry System | 1,4-Benzenediamine, 2-methyl-, sulfate (1:1) (615-50-9) |
Safety information for 2,5-Diaminotoluene sulfate
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H317:Sensitisation, Skin H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 2,5-Diaminotoluene sulfate
New Products
Indole Methyl Resin tert-butyl 9-methoxy-3-azaspiro[5.5]undecane-3-carboxylate Boc-His(Boc)-OH 2-CTC Resin 4-Chloro-7-tosy1-7Hpyrrolo[2,3-d]pyrimidine 5,7-Dibromo-1H-indole 2,5-dichloro-N-hydroxy-4,6-dimethylpyridine-3-carboximidamide 2,2-Dimethoxy-7-azaspiro[3.5]nonane hydrochloride 4-chloromethyl-5-methyl-1,3-dioxol-2-one (DMDO-Cl) R-2-BENZYLOXY PROPIONIC ACID 1,1’-CARBONYLDIIMIDAZOLE 1,1’-CARBONYLDI (1,2-4 TRIAZOLE) N-METHYL INDAZOLE-3-CARBOXYLIC ACID 4-((2-hydroxyethyl)thio)benzoic acid 1-(TERT-BUTOXYCARBONYL)-2-PYRROLIDINONE Methyl 6-methylnicotinate 3-Pyridineacrylic acid tert-Butyl carbazate TETRAHYDRO-2H-PYRAN-3-OL 2-((4-morpholinophenylamino) (methylthio) methylene) malononitrile 3-(4-morpholinophenylamino)-5-amino-1H-pyrazole-4-carbonitrile 2,4-dihydroxybenzaldehyde 1,3-Diethyl-1,3-Diphenylurea Methyl 2-methylquinoline-6-carboxylateRelated products of tetrahydrofuran
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