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| CAS No.: | 28347-13-9 |
|---|---|
| Name: | bis(chloromethyl)benzene |
| Molecular Structure: | |
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| Formula: | C8H8 Cl2 |
| Molecular Weight: | 175.06 |
| Synonyms: | Xylene, a,a'-dichloro- (7CI,8CI); Bis(chloromethyl)benzene;Xylylene chloride; Xylylene dichloride; a,a'-Dichloroxylene |
| EINECS: | 248-982-1 |
| Density: | 1.208 g/cm3 |
| Melting Point: | 44.47°C (estimate) |
| Boiling Point: | 239.5 °C at 760 mmHg |
| Flash Point: | 114.1 °C |
| Safety: | Poison by inhalation. Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of Cl−. See CHLORINATED HYDROCARBONS, AROMATIC. |
| PSA: | 0.00000 |
| LogP: | 18.05100 |
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Chemistry
Chemistry informtion about Bis(chloromethyl)benzene (CAS NO.28347-13-9) is:
Synonyms: Bis(Chloromethyl)Benzene ; Α,Α'-Dichloroxylene ; Xylylene Dichloride ; Alpha,Alpha'-Dichloroxylene
MF: C8H8Cl2
MW: 175.05512
EINECS: 248-982-1
Density: 1.208 g/cm3
Flash Point: 114.1 °C
Boiling Point: 239.5 °C at 760 mmHg
Vapour Pressure: 0.0618 mmHg at 25°C
Enthalpy of Vaporization: 45.71 kJ/mol
Following is the molecular structure of Bis(chloromethyl)benzene (CAS NO.28347-13-9) is:
Uses
Bis(chloromethyl)benzene (CAS NO.28347-13-9) is used as a solvent and in the printing, rubber, and leather industries. It is used as a feedstock in the production of terephthalic acid, which is a monomer used in the production of polymers. It is also used as a cleaning agent for steel and for silicon wafers and chips, a pesticide, a thinner for paint, and in paints and varnishes. It may be substituted for toluene to thin lacquers where slower drying is desired. It is found in small amounts in airplane fuel and gasoline. In animal studies it is often swabbed on the ears of rabbits to facilitate blood flow and collection, although the area must subsequently be cleansed with alcohol to prevent inflammation. In histology, it is also used for clearing the tissues following dehydration in preparation for paraffin wax infiltration. It is also used after sections have been stained to make them hydrophobic so that a coverslip may be applied with a resin in solvent.
Toxicity Data With Reference
| 1. | orl-rat LD50:1 g/kg | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,26. | ||
| 2. | ihl-rat LC50:200 mg/m3/4H | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,26. | ||
| 3. | orl-mus LD50:470 mg/kg | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,26. | ||
| 4. | ihl-mus LC75:75 mg/m3/2H | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,26. |
Consensus Reports
EPA Extremely Hazardous Substances List.
Safety Profile
Poison by inhalation. Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of Cl−. See CHLORINATED HYDROCARBONS, AROMATIC.
RIDADR: 2928
HazardClass: 6.1(a)
PackingGroup: II