1,1,2,3,4,4-HEXACHLORO-1,3-BUTADIENE
Hexachlorobutadiene
CAS: 87-68-3
Molecular Formula: C4Cl6
1,1,2,3,4,4-HEXACHLORO-1,3-BUTADIENE - Names and Identifiers
1,1,2,3,4,4-HEXACHLORO-1,3-BUTADIENE - Physico-chemical Properties
| Molecular Formula | C4Cl6 |
| Molar Mass | 260.76 |
| Density | 1.68 |
| Melting Point | -19 °C |
| Boling Point | 210-220°C(lit.) |
| Flash Point | 210-220°C |
| Water Solubility | (mg/L):4.78 at 25 °C (shake flask-LSC, Banerjee et al., 1980)4 at 20–25 °C (Geyer et al., 1980) |
| Solubility | Soluble in ethanol and ether (U.S. EPA, 1985) |
| Vapor Presure | 0.2 mm Hg ( 20 °C) |
| Appearance | neat |
| Exposure Limit | Potential occupational carcinogen. NIOSH REL: TWA 20 ppb (240 mg/m3);ACGIH TLV: TWA 0.02 ppm (adopted). |
| Merck | 14,4678 |
| BRN | 1766570 |
| Storage Condition | +4°C |
| Stability | Stable. Incompatible with rubber, oxidizing agents. |
| Refractive Index | n20/D 1.555(lit.) |
1,1,2,3,4,4-HEXACHLORO-1,3-BUTADIENE - Risk and Safety
| Risk Codes | R24/25 - R34 - Causes burns R40 - Limited evidence of a carcinogenic effect R50/53 - Very 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 | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 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.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed. |
| UN IDs | UN 2279 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | EJ0700000 |
| TSCA | Yes |
| HS Code | 29032990 |
| Hazard Class | 6.1 |
| Packing Group | III |
| Toxicity | LD50 in male, female mice, rats (mg/kg): 105, 76, 216, 175 i.p.; 80, 65, 250, 270 orally (Gradiski) |
1,1,2,3,4,4-HEXACHLORO-1,3-BUTADIENE - Reference Information
| Henry's Law Constant | 3.55, 5.87, 6.90, 10.5, and 15.3 at 2.0, 6.0, 10.0, 18.0, and 25.0 °C, respectively (EPICS-SPME,Dewulf et al., 1999) |
| (IARC) carcinogen classification | 3 (Vol. 73) 1999 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | used as solvent, heat carrier, heat exchange agent, liquid for hydraulic system, also used in the synthetic rubber industry |
| category | pesticide |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 82 mg/kg; Oral-mouse LD50: 87 mg/kg |
| stimulation data | Skin-rabbits 810 mg/24 h moderate; eye-rabbit 500 mg/24 h mild |
| explosive hazard characteristics | reaction with oxidant |
| flammability hazard characteristics | high temperature, open flame can burn; Combustion release toxic chloride smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from food additives |
| extinguishing agent | water mist, foam, carbon dioxide, sand. |
| Occupational Standard | TWA 0.21 mg/m3; Tel 0.63 mg/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:21:28
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