2,5-二氨基甲苯
2-methyl-p-phenylenediamine
CAS: 95-70-5
Molecular Formula: C7H10N2
2,5-二氨基甲苯 - Names and Identifiers
| Name | 2-methyl-p-phenylenediamine |
| Synonyms | ci76042 c.i.76042 C.I. 76042 2,5-Diaminotoluene p-Toluilenediamine p-Toluylene-diamine 2,5-Toluene diamine p,m-Tolylenediamine Sodium 5-[(4-nitroph 4-Benzenediamine,2-methyl-1 2-Methyl-1,4-benzenediamine 2-methyl-p-phenylenediamine |
| CAS | 95-70-5 |
| EINECS | 202-442-1 |
| InChI | InChI=1/C7H10N2.ClH/c1-5-4-6(8)2-3-7(5)9;/h2-4H,8-9H2,1H3;1H |
2,5-二氨基甲苯 - Physico-chemical Properties
| Molecular Formula | C7H10N2 |
| Molar Mass | 122.17 |
| Density | 1.0343 (rough estimate) |
| Melting Point | 64°C |
| Boling Point | 273°C |
| Flash Point | 140.6°C |
| Water Solubility | 500g/L at 20℃ |
| Solubility | Soluble in water |
| Vapor Presure | 0.454Pa at 25℃ |
| Appearance | powder to crystal |
| Color | White to Brown |
| pKa | 5.98±0.10(Predicted) |
| Refractive Index | 1.5103 (estimate) |
| Physical and Chemical Properties | Colorless flake crystal. Melting point 64 ℃. Boiling point 274 ℃. Dissolved in water, ethanol, ether and benzene when heated, and less when cold. |
| Use | For the synthesis of hair dyes, Leather dyes |
2,5-二氨基甲苯 - Risk and Safety
| Risk Codes | R20/21 - Harmful by inhalation and in contact with skin. R25 - Toxic if swallowed R43 - May cause sensitization by skin contact R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S24 - Avoid contact with skin. S37 - Wear suitable gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | 2811 |
| RTECS | XS9700000 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
2,5-二氨基甲苯 - Reference Information
| LogP | -0.321 at 25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| (IARC) carcinogen classification | 3 (Vol. 16, Sup 7) 1987 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | is used for the manufacture of dyes and the like, and is used as a fur dye. for the synthesis of hair dyes and Leather dyes |
| production method | is obtained from the reduction of aminoazotoluene. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:12
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