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Chemical Name:
Molecular Formula:
Formula Weight:
MOL File:


Melting point:
−57 °C(lit.)
Boiling point:
48-60 °C(lit.)
1.257 g/mL at 25 °C(lit.)
vapor pressure 
5.32 psi ( 20 °C)
refractive index 
n20/D 1.447(lit.)
Flash point:
43 °F
storage temp. 
Miscible with acetone, ethanol, and ether and very soluble in benzene and chloroform (U.S. EPA, 1985)
Clear colorless
explosive limit
Water Solubility 
Miscible with ethanol, ethyl ether, acetone, benzene and chloroform. Immiscible with water.
Henry's Law Constant
10.12 at 30 °C (headspace-GC, Sanz et al., 1997)
Exposure limits
OSHA PEL: TWA 200 ppm (790 mg/m3); ACGIH TLV: TWA 200 ppm (adopted).
Incompatible with oxidizing agents, bases. Stable, but may decompose on exposure to air, moisture or light. Highly flammable.
CAS DataBase Reference
156-60-5(CAS DataBase Reference)
  • Risk and Safety Statements
Signal word  Danger
Hazard statements  H302-H315-H319-H336-H371-H402-H225-H301+H311+H331-H370-H332-H412
Precautionary statements  P210-P260-P280-P301+P310-P311-P273-P233-P240-P241+P242+P243-P264-P270-P271-P301+P312+P330-P302+P352+P332+P313+P362+P364-P304+P340+P312-P305+P351+P338+P337+P313-P307+P311-P403+P233-P405-P501-P261-P280a-P303+P361+P353-P304+P340-P501a
Hazard Codes  F,Xn,T
Risk Statements  11-20-52/53-39/23/24/25-23/24/25
Safety Statements  7-16-29-61-45-36/37
RIDADR  UN 1150 3/PG 2
WGK Germany  2
RTECS  KV9400000
HazardClass  3
PackingGroup  II
HS Code  29032990
Toxicity LD50 in rats (ml/kg): 1.0 orally; 60 i.p.; in mice (ml/kg): 3.2 i.p. (Freundt)

NFPA 704

Diamond Hazard Value Description
2 2
Health   2 Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury (e.g. diethyl ether, ammonium phosphate, iodine)
Flammability   3 Liquids and solids (including finely divided suspended solids) that can be ignited under almost all ambient temperature conditions . Liquids having a flash point below 22.8 °C (73 °F) and having a boiling point at or above 37.8 °C (100 °F) or having a flash point between 22.8 and 37.8 °C (73 and 100 °F). (e.g. gasoline, acetone)
Instability   2 Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water (e.g. white phosphorus, potassium, sodium)

(NFPA, 2010)

TRANS-1,2-DICHLOROETHYLENE price More Price(8)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D62209 trans-1,2-Dichloroethylene 98% 156-60-5 5g $32.7 2018-11-13 Buy
Sigma-Aldrich 36969 trans-1,2-Dichloroethylene analytical standard 156-60-5 1g $38.1 2018-11-13 Buy
TCI Chemical D0368 trans-1,2-Dichloroethylene (stabilized with MEHQ) >98.0%(GC) 156-60-5 25g $65 2018-11-22 Buy
Alfa Aesar L13994 trans-1,2-Dichloroethylene, 98% stab. with 4-methoxyphenol 156-60-5 25g $68.7 2018-11-20 Buy
Alfa Aesar L13994 trans-1,2-Dichloroethylene, 98% stab. with 4-methoxyphenol 156-60-5 100g $183 2018-11-20 Buy

TRANS-1,2-DICHLOROETHYLENE Chemical Properties,Uses,Production

Chemical Properties

colourless liquid

Chemical Properties

1,2-Dichloroethylene exists in three isomers, sym-, cis-60% and trans-40%. There are variations in toxicity between these two forms. At room temperature, these chemicals are colorless liquids with a slightly acrid, ethereal odor. The Odor Threshold in air is 17 ppm. sym-isomer:

Physical properties

Colorless, viscous liquid with a sweet, pleasant odor. Odor threshold concentration is 17 ppm (quoted, Amoore and Hautala, 1983).


Solvent for fats, phenol, camphor, etc. Intermediate in synthesis of chlorinated solvents and compounds.

General Description

Clear colorless liquid with a pleasant odor. Flash point 43°F.

Air & Water Reactions

Highly flammable. Oxidizes in air to form unstable peroxides that may explode spontaneously. Insoluble in water.

Reactivity Profile

1,2-DICHLOROETHYLENE reacts with alkalis, difluoromethylene, dihypofluorite, and nitrogen tetraoxide. Contact with solid alkalis or their concentrated solutions will cause formation of chloroacetylene, which ignites in air. Avoid contact with copper and copper alloys. Corrosive to metals unless an inhibitor has been added. Oxidation in the presence of concentrated sulfuric acid or a free radical initiator gives chloroacetyl chloride via epoxide intermediates. Incompatible with organic peroxides .

Fire Hazard


Safety Profile

Moderately toxic by ingestion. Mddly toxic by inhalation. Human systemic effects by inhalation: sleep, hallucinations, and distorted perceptions. Experimental reproductive effects. A skin and eye irritant. Mutation data reported. Exposure to high vapor concentration can cause nausea, vomiting, weakness, tremor, and cramps. Recovery is usually prompt following removal from exposure. Dermatitis may result from defatting action on skin. Dangerous fire hazard when exposed to heat, flame, or oxidtzers. Moderate explosion hazard in the form of vapor when exposed to flame. Violent reaction with difluoromethylene dihypofluorite. Forms shock-sensitive explosive mixtures with dinitrogen tetraoxide. Reaction with solid caustic alkahes or their concentrated solutions produces chloracetylene gas that ignites spontaneously in air. Reacts violently with N2O4, KOH, Na, NaOH. Moderate explosion hazard in the form of vapor when exposed to flame. Can react vigorously with oxidizing materials. To fight fire, use water spray, foam, CO2, dry chemical. When heated to decomposition it emits toxic fumes of Cl-. See also CHLORIDES; CHLORINATED HYDROCARBONS, ALIPHATIC; and ACETYLENE COMPOUNDS.

Potential Exposure

Primary irritant (w/o allergic reaction). 1,2-Dichloroethylene is used as a solvent for waxes, resins, and acetylcellulose. It is also used in the extraction of rubber, as a refrigerant; in the manufacture of pharmaceuticals and artificial pearls; and in the extraction of oils and fats from fish and meat.

Environmental Fate

Soil. In a methanogenic aquifer material, trans-1,2-dichloroethylene biodegraded to vinyl chloride (Wilson et al., 1986). Under anoxic conditions trans-1,2-dichloroethylene, when subjected to indigenous microbes in uncontaminated sediments, degraded to vinyl chloride (Barrio-Lage et al., 1986). trans-1,2-Dichloroethylene showed slow to moderate degradation concomitant with the rate of volatilization in a static-culture flask-screening test (settled domestic wastewater inoculum) conducted at 25 °C. At concentrations of 5 and 10 mg/L, percent losses after 4 wk of incubation were 95 and 93, respectively. The amount lost due to volatilization was 26 to 33% after 10 d (Tabak et al., 1981).
Biological. Heukelekian and Rand (1955) reported a 10-d BOD value of 0.05 g/g which is 7.6% of the ThOD value of 0.66 g/g.
Photolytic. Carbon monoxide, formic and hydrochloric acids were reported to be photooxidation products (Gay et al., 1976).


UN1150 Dichloroethylene, Hazard Class: 3; Labels: 3-Flammable liquid.

Purification Methods

Dry it with MgSO4, and fractionally distil it under CO2. Fractional crystallisation at low temperatures has also been used. [Beilstein 1 IV 709.]


May form explosive mixture with air. Attacks some plastics, rubber, and coatings. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, and epoxides. Gradual decomposition results in hydrochloric acid formation in the presence of ultraviolet light or upon contact with hot metal or other hot surfaces. Reacts with strong bases; potassium hydroxide; difluoromethylene, dihypofluoride, nitrogen tetroxide (explosive); or copper (and its alloys) producing toxic chloroacetylene which is spontaneously flammable on contact with air. Attacks some plastics and coatings.

Waste Disposal

Incineration, preferably after mixing with another combustible fuel. Care must be exercised to assure complete combustion to prevent the formation of phosgene. An acid scrubber is necessary to remove the halo acids produced. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≧100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal.

TRANS-1,2-DICHLOROETHYLENE Preparation Products And Raw materials

Raw materials

Preparation Products


Global( 129)Suppliers
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Mainchem Co., Ltd.
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Shanghai Zheyan Biotech Co., Ltd.
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Shanghai wechem chemical co., ltd 021-5198 7501
021-6192 7501 China 290 58

View Lastest Price from TRANS-1,2-DICHLOROETHYLENE manufacturers

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US $8.00 / kg 1kg 99% 100MT career henan chemical co


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