HomeProducts
Solvents REACH

trans-1,2-dichloroethylene

CAS Number
156-60-5
EC Number
205-860-2
Chemical Formula
C2H2Cl2
Molecular Weight
96.94 g/mol
Industries:Lubricants & MetalworkingHome Care & Industrial Cleaning

Description

Trans-1,2-dichloroethylene (CAS 156-60-5 ), also known as trans-acetylene dichloride, is a chlorinated solvent used primarily for precision cleaning and degreasing in industrial settings. Its relatively low boiling point and strong solvency make it a practical choice for removing oils and greases. This chemical is highly effective at removing flux residues from sensitive substrates without aggressive chemical attack. In electronics manufacturing, it is used to clean printed circuit boards and precision components where residue-free surfaces are critical to performance. Metalworking operations use it as a degreasing solvent to prepare parts prior to coating, plating, or assembly. Industrial and institutional cleaning formulations incorporate it as a carrier solvent to improve the penetration and evaporation profile of cleaning concentrates. It also appears in specialty lubricant formulations as a solvent carrier for active ingredients applied to tight-tolerance mechanical components. This versatility makes it a staple in high-performance maintenance and repair operations across various sectors. Trans-1,2-dichloroethylene is supplied as a clear liquid in standard drum and IBC quantities. Technical grade is the primary commercial specification available for industrial solvent applications, ensuring consistent performance in large-scale manufacturing environments. Purity levels typically range from 97% upward, with high-purity grades available for electronics and precision cleaning end uses. These specifications ensure that the solvent meets the rigorous demands of modern industrial cleaning and chemical processing standards. Contact us for supply of trans-1,2-dichloroethylene Request Quote

Other Names (Synonyms)

trans-acetylene dichloride | 1,2-trans-dichloroethylene | (E)-1,2-dichloroethylene | trans-dichloroethylene | trans-1,2-dichloroethene | Ethene, 1,2-dichloro-, (1E)- | Ethene, 1,2-dichloro-, (E)- | RCRA waste number U079

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point-49.8 °C
Boiling Point48.7 °C @ Press: 760 Torr
Density1.2565 g/cm³ @ Temp: 20 °C
Flash Point43 °F
Appearance1,2-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:
ColorClear colorless
FormLiquid
Water SolubilityMiscible with ethanol, ethyl ether, acetone, benzene and chloroform. Immiscible with water.
Vapor Pressure5.32 psi ( 20 °C)
Refractive Indexn 20/D 1.447(lit.)
Log P2.06

Safety & Handling

Danger
GHS02· FlammableGHS07· IrritantGHS08· Health Hazard

Hazard Statements

H225Highly Flammable liquid and vapor
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H336May cause drowsiness or dizziness
H370Causes damage to organs
H371May cause damage to organs
H373May causes damage to organs through prolonged or repeated exposure
H402Harmful to aquatic life
H412Harmful to aquatic life with long lasting effects

Precautionary Statements

P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233Keep container tightly closed.
P240Ground and bond container and receiving equipment.
P241Use explosion-proof equipment.
P242Use non-sparking tools.
P243Take action to prevent static discharges.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P271Use only outdoors or in a well-ventilated area.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P317Get emergency medical help.
P319Get medical advice/attention if you feel unwell.
P321Specific treatment (see … on this label).
P330Rinse mouth.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P317Get emergency medical help.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P364Take off contaminated clothing and wash it before reuse.
P378Use … for extinction.
P233Store in a well-ventilated place. Keep container tightly closed.
P235Store in a well-ventilated place. Keep cool.
P353IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29032990
UN Number1150
ADR Class3
Packing GroupII
Storage Class3 - Flammable liquids
WGK (Germany)2