2,4,5-Trichloroaniline
2,4,5-Trichloroaniline
CAS: 636-30-6
Molecular Formula: C6H4Cl3N
2,4,5-Trichloroaniline - Names and Identifiers
| Name | 2,4,5-Trichloroaniline |
| Synonyms | NSC 64139 2,4,5-Trinitroaniline 2,4,5-Trichloroaniline Benzenamine, 2,4,5-trichloro- 2,4,5-TRICHLOROANILINE PESTANAL |
| CAS | 636-30-6 |
| EINECS | 211-254-9 |
| InChI | InChI=1/C6H4Cl3N/c7-3-1-5(9)6(10)2-4(3)8/h1-2H,10H2 |
2,4,5-Trichloroaniline - Physico-chemical Properties
| Molecular Formula | C6H4Cl3N |
| Molar Mass | 196.46 |
| Density | 1.6807 (rough estimate) |
| Melting Point | 93-95°C(lit.) |
| Boling Point | 270°C(lit.) |
| Flash Point | 175 °C |
| Water Solubility | 0.094 g/L (15 ºC) |
| Vapor Presure | 0.00702mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Almost white |
| BRN | 879091 |
| pKa | 0.96±0.10(Predicted) |
| Storage Condition | Store below +30°C. |
| Refractive Index | 1.6300 (estimate) |
| Physical and Chemical Properties | melting point 93-95°C boiling point 270°C flash point 175°C water solubility 0.094g/L (15°C) |
| Use | Mainly used as intermediate of disperse dyes |
2,4,5-Trichloroaniline - Risk and Safety
| Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R33 - Danger of cumulative effects R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S28A - |
| UN IDs | UN 2811 6.1/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29214210 |
| Hazard Note | Toxic |
| Hazard Class | 6.1 |
| Packing Group | II |
2,4,5-Trichloroaniline - Upstream Downstream Industry
2,4,5-Trichloroaniline - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| properties | 2,4, 5-trichloroaniline is a kind of toxic substance with spontaneous combustion, it can also be used as a dye intermediate, it is slightly soluble in petroleum ether, soluble in ethanol and carbon disulfide. in the production and preparation process, it is necessary to be in a cool and ventilated environment, and the staff should wear protective clothing to avoid irritation to the skin. |
| uses | intermediates for organic synthesis and dyes. After diazotization, 2,4, 5-trichloroaniline is coupled with phenol AS-D in weak acid medium to obtain Pigment permanent Red FGR(C.I.Pigment Red 112). Permanent Red FGR used in ink, emulsion paint, water slurry coating, can also be used for paper, paint cloth and leather, such as coloring and pigment printing. mainly used as intermediate of disperse dyes intermediate of organic synthesis and fuel. |
| production method | 95% of 3000 sulfuric acid, kg1,2, 4-trichlorobenzene were added to the nitrifying pot and stirred, add mixed acid (HNO 335%,H2SO 465%)300kg at 40-50 ℃, stir at 48-50 ℃ for 2H, then add water 150kg to dilute to 75% sulfuric acid, separate the upper oil, wash with water, 3650kg of crude trichloronitrobenzene was obtained. Put 125L of water, 125kg of iron powder, 150kg of benzene, 150kg of pure trichloronitrobenzene and 1kg of formic acid into a reduction pot, heat and boil, add iron powder if necessary, and after 3H of reduction reaction, the benzene layer was checked for a relative density of 0.83(50 °c). Benzene was distilled off, and 2,4, 5-trichloroaniline was distilled off under reduced pressure. The yield was 84%. |
Last Update：2024-04-09 21:21:28
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Raw Materials for 2,4,5-Trichloroaniline