TetrachloroethyleneCAS#127-18-4

Boiling point 

121 °C (lit.)

density 

1.623 g/mL at 25 °C (lit.)

vapor density 

5.83 (vs air)

vapor pressure 

13 mm Hg ( 20 °C)

refractive index 

n20/D 1.505(lit.)

Fp 

120-121°C

storage temp. 

Store at +2°C to +25°C.

solubility 

water: soluble0.15g/L at 25°C

form 

Liquid

color 

APHA: ≤10

Odor

chloroform-like odor

Odor Threshold

0.77ppm

Water Solubility 

Miscible with alcohol, ether, chloroform, benzene and hexane. Slightly miscible with water.

FreezingPoint 

-22.0℃

λmax

λ: 290 nm Amax: 1.00
λ: 295 nm Amax: 0.30
λ: 300 nm Amax: ≤0.20
λ: 305 nm Amax: 0.10
λ: 350 nm Amax: 0.05
λ: 400 nm Amax: 0.03

Merck 

14,9190

BRN 

1361721

Henry's Law Constant

4.97 at 1.8 °C, 15.5 at 21.6 °C, 34.2 at 40.0 °C, 47.0 at 50 °C, 68.9 at 60 °C, 117.0 at 70 °C (EPICS-GC, Shimotori and Arnold, 2003)

Dielectric constant

2.5（21℃）

Exposure limits

TLV-TWA 50 ppm (～325 mg/m3) (ACGIH), 100 ppm (MSHA and OSHA); TLV-STEL 200 ppm (ACGIH); carcinogenicity: Animal Limited Evidence.

Stability:

Stable. Incompatible with strong oxidizing agents, alkali metals, aluminium, strong bases.

LogP

2.53 at 20℃

CAS DataBase Reference

127-18-4(CAS DataBase Reference)

IARC

2A (Vol. Sup 7, 63, 106) 2014

NIST Chemistry Reference

Tetrachloroethylene(127-18-4)

EPA Substance Registry System

Tetrachloroethylene (127-18-4)

ECETOC JACC REPORT

Tetrachloroethylene (127-18-4)

Risk Statements 

40-51/53-23/25-11-39/23/24/25-23/24/25

Safety Statements 

23-36/37-61-45-24-16-7

RIDADR 

UN 1897 6.1/PG 3

WGK Germany 

3

RTECS 

KX3850000

Autoignition Temperature

260℃

TSCA 

Yes

HazardClass 

6.1

PackingGroup 

III

HS Code 

29032300

Hazardous Substances Data

127-18-4(Hazardous Substances Data)

Toxicity

LD50 orally in mice: 8.85 g/kg (Dybing); LC for mice in air: 5925 ppm (Lazarew)

IDLA

150 ppm