Molecular Formula | C7H7Cl |
Molar Mass | 126.58 |
Density | 1.083 g/mL at 25 °C (lit.) |
Melting Point | -36 °C (lit.) |
Boling Point | 157-159 °C (lit.) |
Flash Point | 117°F |
Water Solubility | slightly soluble |
Solubility | H2O: slightly soluble0.047g/L at 20°C |
Vapor Presure | 10 mm Hg ( 43 °C) |
Vapor Density | 4.38 (vs air) |
Appearance | Liquid |
Color | Clear |
Exposure Limit | ACGIH: TWA 50 ppmNIOSH: TWA 50 ppm(250 mg/m3); STEL 75 ppm(375 mg/m3) |
Merck | 14,2171 |
BRN | 1904175 |
Storage Condition | 0-6°C |
Explosive Limit | 1.0-12.6%(V) |
Refractive Index | n20/D 1.525(lit.) |
Physical and Chemical Properties | Character: colorless liquid. melting point -35.45 ℃ boiling point 158.5 ℃ relative density 1.0826 refractive index 1.5268 flash point 52.2 ℃ solubility slightly soluble in water, soluble in alcohol, ether, benzene and chloroform. |
Use | For the manufacture of pharmaceutical, pesticide products |
Risk Codes | R20 - Harmful by inhalation R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable |
Safety Description | S24/25 - Avoid contact with skin and eyes. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed. |
UN IDs | UN 2238 3/PG 3 |
WGK Germany | 2 |
RTECS | XS9000000 |
TSCA | Yes |
HS Code | 29036990 |
Hazard Note | Irritant/Flammable |
Hazard Class | 3 |
Packing Group | III |
colorless liquid. Melting Point -35. 45 °c. Boiling point 158.5 °c. The relative density was 1. 0826. Refractive index 1.5268. Flash point (Open Cup) 52.2 °c. Ignition point> 500 °c. Slightly soluble in water, soluble in alcohol, ether, benzene, chloroform, acetone, carbon tetrachloride and heptane, with water vapor volatilization.
From o-toluidine as raw material, by diazotization and then with the role of cuprous chloride derived. First, hydrochloric acid was added to O-toluidine, sodium nitrite solution was added, and the diazonium salt was obtained by reaction at 0~5 ℃. Then the cuprous chloride solution is added to p-toluidine diazonium salt, and the mixing temperature is not more than 25 ℃. After stirring, it is left overnight, and the crude product is obtained by distillation, the 157-160 °c fraction was collected as the finished product. In addition, toluene by aromatic ring chlorination, separation can also be prepared.
organic synthesis of raw materials, solvents, also used in the system of dyes, medicine, etc.