Trichloroethylene CAS#79-01-6

Strong Solvent Power ：Effectively removes varnish, coating agents, and flux residues in industrial cleaning.

Excellent Degreasing Performance ：High vapor pressure and a moderate boiling point make TCE suitable for metal and fiber degreasing.

Favorable Physical and Chemical Properties ：A colorless, volatile liquid with a slightly sweet odor, insoluble in water but soluble in ethanol and ether.

Versatile Industrial Applications ：Used as a solvent, extractant, heat-transfer medium, and intermediate for producing various chemicals, including HCFCs and HFCs.

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Product Description

Product Description-Trichloroethylene CAS#79-01-6

Trichloroethylene (TCE), also known as acetylated trichloroethylene, is a colorless, volatile non-flammable liquid with a slightly sweet odor under normal conditions, insoluble in water but soluble in organic solvents such as ethanol and ether. With a moderate boiling point, high vapor pressure, good stability and strong solvency, it is widely used for industrial metal cleaning and degreasing, fiber degreasing and gas washing, effectively removing stubborn contaminants including semi-hardened varnish, coating polishing agents and thick flux residues.

Product Applications-Trichloroethylene CAS#79-01-6

Trichloroethylene is widely used as a cleaning agent for metal parts and electronic components across industries including home appliances, automobiles, precision machinery and microelectronics. As an important chemical intermediate, it is used to produce downstream products such as tetrachloroethylene, hexachloroethane and HFC-134a, with demand primarily driven by the fast-growing HFC-134a manufacturing sector that accounts for a rising share of its total consumption. Its other applications, making up about 15% of total use, serve as solvents and extractants for caprolactam, pesticides, pharmaceuticals and pharmaceutical intermediate refining, with related demand growing notably in recent years.

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Product Data

Chemical Properties-Trichloroethylene CAS#79-01-6

Melting point	−84.8 °C (−120.6 °F; 188.3 K) some sources also list –73 °C as the freezing point
Boiling point	86.7 °C (188.1 °F; 359.8 K)
density	1.46 g/cm3 at 20 °C
vapor density	4.5 (vs air)
vapor pressure	61 mm Hg ( 20 °C)
refractive index	1.4777 at 19.8 °C
Fp	11 °C - closed cup
storage temp.	2-8°C
solubility	Soluble in acetone, ethanol, chloroform, ether (U.S. EPA, 1985), and other organic solvents including bromoform, carbon tetrachloride, methylene chloride, trichloroethylene, and tetrachloroethylene.
form	liquid
color	Colorless
Odor	Chloroform-like; ethereal.
Odor Threshold	3.9ppm
explosive limit	7.9-99% (v/v) Saturation - at high volume fractions, explosion turns into a decomposition reaction)
Water Solubility	Slightly soluble. 0.11 g/100 mL
Specific Heat Capacity	Cp(liquid): 0.95 J/(g·K); Cp(gas): 0.61 J/(g·K), at 25℃
Thermal Conductivity	0.106 W/(m·K) at 25 ℃
Merck	14,9639
BRN	1736782
Henry's Law Constant	3.14 at 1.8 °C, 8.47 at 21.6 °C, 19.0 at 40.0 °C, 26.5 at 50 °C, 35.8 at 60 °C, 56.6 at 70 °C (EPICS-GC, Shimotori and Arnold, 2003)
Exposure limits	ACGIH TLV-TWA:10 ppm (54 mg/m3);TLV-STEL:25 ppm (135 mg/m3)OSHA PEL-TWA:100 ppm;PEL-Ceiling:200 ppm; 300 ppm (Peak),for a single time period up to 5 min in any 2 hours
Dielectric constant	3.4(16℃)
Stability:	Stable. Incompatible with oxidizing agents, aluminium, magnesium, strong bases, reducing agents. Light-sensitive. Reacts violently with many metals, ozone, potassium nitrate, potassium hydroxide, sodium hydroxide.
InChI	1S/C2HCl3/c3-1-2(4)5/h1H
InChIKey	XSTXAVWGXDQKEL-UHFFFAOYSA-N
SMILES	Cl\C=C(\Cl)Cl
LogP	2.53 at 20℃
CAS DataBase Reference	79-01-6(CAS DataBase Reference)
NIST Chemistry Reference	Trichloroethylene(79-01-6)
IARC	1 (Vol. Sup 7, 63, 106) 2014
EPA Substance Registry System	Trichloroethylene (79-01-6)

Safety Information-Trichloroethylene CAS#79-01-6

Hazard Codes	T,F
Risk Statements	45-36/38-52/53-67-68-39/23/24/25-23/24/25-11
Safety Statements	53-45-61-36/37-16-7
OEB	B
OEL	TWA: 25.0 ppm, STEL: 2.0 ppm
RIDADR	UN 1710
WGK Germany	3
RTECS	KX4550000
Autoignition Temperature	770°F
TSCA	TSCA listed
HazardClass	6.1
PackingGroup	III
HS Code	29032200
Storage Class	6.1D - Non-combustible acute toxic Cat.3toxic hazardous materials or hazardous materials causing chronic effects
Hazard Classifications	Aquatic Chronic 3Carc. 1BEye Irrit. 2Muta. 2Skin Irrit. 2Skin Sens. 1BSTOT SE 3
Hazardous Substances Data	79-01-6(Hazardous Substances Data)
Toxicity	LD50 orally in rats: 4.92 ml/kg; LC (4 hrs) in rats: 8000 ppm (Smyth)
IDLH	1,000 ppm

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