1-chloro-4-[(chloromethyl)thio]-benzen
CHLOROMETHYL 4-CHLOROPHENYL SULFIDE
CAS: 7205-90-5
Molecular Formula: C7H6Cl2S
1-chloro-4-[(chloromethyl)thio]-benzen - Names and Identifiers
1-chloro-4-[(chloromethyl)thio]-benzen - Physico-chemical Properties
| Molecular Formula | C7H6Cl2S |
| Molar Mass | 193.09 |
| Density | 1.348 g/mL at 25 °C (lit.) |
| Melting Point | 21.5°C |
| Boling Point | 128-129 °C/12 mmHg (lit.) |
| Flash Point | >230 °F |
| Storage Condition | Room Temprature |
| Refractive Index | n20/D 1.6065(lit.) |
| Physical and Chemical Properties | Chemical nature transparent liquid. Boiling point 128-129 ℃(1.6kPa), relative density 1.346, refractive index 1.6055. |
| Use | Uses intermediates for the insecticide trithiophos. |
1-chloro-4-[(chloromethyl)thio]-benzen - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | 34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3265 8/PG 2 |
1-chloro-4-[(chloromethyl)thio]-benzen - Nature
| storage conditions | 2-8°C |
| EPA chemical information | Chloromethyl 4-chlorophenyl sulfide (7205-90-5) |
Last Update：2024-04-10 22:29:15
1-chloro-4-[(chloromethyl)thio]-benzen - Security information
| WGK Germany | 3 |
| RTECS number | CZ0200000 |
| HazardClass | 8 |
| PackingGroup | III |
Last Update：2024-04-10 22:29:15
1-chloro-4-[(chloromethyl)thio]-benzen - Uses and synthesis methods
production method
It is obtained by reacting p-chlorothiophenol with formaldehyde and hydrochloric acid. In a 500L glass-lined reaction pot, 200kg of 35% concentrated hydrochloric acid is added, 30kg of 30% formaldehyde is slowly added under stirring, and the addition is completed in about 20min. Then continue stirring for 15min. Heat to 40 ℃, add 85kg of benzene solution of p-chlorophenol dropwise, raise the temperature to 55 ℃ for 2h after adding, cool to 30 ℃, stand for stratification, wash the upper sulfide with water for two times, and then evaporate benzene under reduced pressure to obtain p-chlorophenyl chloromethyl sulfide.
category
Toxic substances
stimulus data
skin-rabbit 500 mg/24 hours moderate; Eye-rabbit 0.050 mg/24 hours severe
Last Update：2024-04-09 19:04:55
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