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Chlorinated and fluorinated solvents

Pentachloroethane

Also known as 1,1,1,2,2-Pentachloroethane, Pentalin, Ethane pentachloride

CAS 76-01-7Formula C2HCl5Molar mass 202.30 g/molEC 200-925-1
GHS signal word: Danger. Pictograms: Serious health hazard, Hazardous to the environment 4 suppliers listed
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Pentachloroethane chemical structure, C2HCl5, CAS 76-01-7
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
-28.8 °C
Boiling point
162 °C
Density
Relative density (water = 1): 1.68
Solubility
Wt per gallon at 20 °C = 14.00 lb, latent heat of vaporization at bp = 43.6 cal/g = 78.4…
HS code
290319
Category
Chlorinated and fluorinated solvents
UN number
UN 1669
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Pentachloroethane?

Plain description, key identifiers and synonyms

Pentachloroethane is a member of the class of chloroethanes that is ethane in which five of the six hydrogens are replaced by chlorines. A non-flammable, high-boiling liquid (b.p. 161-162C) with relative density 1.67 and an odour resembling that of chloroform, it is used as a solvent for oil and grease, in metal cleaning, and in the separation of coal from impurities. It has a role as a non-polar solvent.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,1,1,2,2-pentachloroethane
CAS number
76-01-7 CAS number cross-checked
EC number
200-925-1
Molecular formula
C2HCl5
UNII
QOJ9TH7LDL
MDL number
MFCD00000846
InChIKey
BNIXVQGCZULYKV-UHFFFAOYSA-N
InChI
InChI=1S/C2HCl5/c3-1(4)2(5,6)7/h1H
SMILES (canonical and isomeric)
C(C(Cl)(Cl)Cl)(Cl)Cl

Synonyms

  • 1,1,1,2,2-Pentachloroethane
  • Pentalin
  • Ethane pentachloride
  • Ethane, pentachloro-
  • Pentacloroetano
  • Pentachloraethan
  • Pentachlorethane
  • Pentachloorethaan
  • RCRA waste number U184
  • 1,1,1,2,2-Pentachloro-ethane
  • CHCl2CCl3
  • ethane, 1,1,1,2,2-pentachloro-
  • C2HCl5
  • RCRA waste no. U184
  • Pentaline
  • CCl3CHCl2
  • Cl3CCHCl2
  • Pentachloroethane, 95%
  • 76-01-7(methanol)
  • 4-01-00-00147 (Beilstein Handbook Reference)
  • Pentachloroethane, reag
  • Pentachloroethane, pract
  • 1,1,1,2,2-Pentachloroethane #
  • Pentachloroethane, analytical standard
  • UN 1669
Show all 28 synonyms
  • Pentachloroethane 2000 microg/mL in Methanol
  • Pentachloroethane Solution in Methanol, 1000ug/mL
  • Pentachloroethane, PESTANAL(R), analytical standard

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Colorless liquidexp.
Odour
Chloroform-likeexp.
Melting point
-28.8 °Cexp.
Boiling point
162 °Cexp.
Density
Relative density (water = 1): 1.68exp.
Autoignition temperature
May self-ignite.exp.
Solubility
Wt per gallon at 20 °C = 14.00 lb, latent heat of vaporization at bp = 43.6 cal/g = 78.4 Btu/lb, acidity as HCl = 0.001% by wt, max, coefficient of cubical expansion Av/°C, liquid = 0.0009097, solubility of water in solvent at 20 °C =…exp.
Vapour pressure
3.50 mm Hg at 25 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
202.30 g/molcalc.
Exact mass
199.8521 Dacalc.
LogP (octanol/water)
3.16calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H351Suspected of causing cancer.
  • H372Causes damage to organs through prolonged or repeated exposure.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (11)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1669
Transport hazard class
6.1
Packing group
II

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Pentachloroethane suppliers

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Where suppliers are based

4 suppliers in 2 countries

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Pentachloroethane price

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Uses and applications

What the substance is used for, by industry and function

Solvent for oil & grease in metal cleaning, separation of coal from impurities.

Also used for separation of coal from impurities by density difference.

Pentachloroethane is used as a solvent for cellulose acetate, certain cellulose ethers, resins and gums. Pentachloroethane is also used as a drying agent for timber (immersed in it) at temperatures greater than 100 °C.

Uses for pentachloroethane as a solvent (cellulose derivatives, rubbers, and resins) are insignificant.

Industrial uses: Intermediate.

Roles

  • non-polar solvent
  • solvent

How it is made

Pentachloroethane can be made by chlorinating 1,1,2,2-tetrachloroethane under ultraviolet light, or trichloroethylene at 70 °C in the presence of ferric chloride, sulfur, or ultraviolet light. Oxychlorination of ethylene gives pentachloroethane as well as lower chlorinated hydrocarbons. Chlorination of trichloroethylene can also give pentachloroethane in good yield.

By chlorination of trichloroethylene, obtained by a two-step process involving chlorination of acetylene to obtain tetrachloroethane, and removal of hydrogen chloride by action of alkali.

Since tetrachloroethylene is more economica

Read more

lly produced by the chlorinolysis process, industrial production of pentachloroethane has become unimportant and is presently no longer used. If required, the synthesis can be performed by two routes: 1) chlorination of trichloroethylene ... and 2) ethylene-induced chlorination of 1,2-dichloroethane.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 602-017-00-4

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: Pentachloroethane, Ref no: 264, Annex ref: II/264

United States

  • TSCA inventory (USA)
    Status: Active in US commerce, Regulatory flags: Significant new use rule

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Pentachloroethane is traded under.

HS 2903.19Indicative HS code

Saturated chlorinated derivatives of acyclic hydrocarbons, other

World exports in 2024
$81.2M
−13.3% vs 2023, imports $81.1M
2019 to 2024
Top exporters
  1. China32.6%
  2. Germany25.6%
  3. Brazil18.2%
Top importers
  1. United States35.7%
  2. South Korea7.6%
  3. India * partner reported6.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Pentachloroethane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Pentachloroethane, based on the data on this page

What is Pentachloroethane?

Pentachloroethane is a member of the class of chloroethanes that is ethane in which five of the six hydrogens are replaced by chlorines. A non-flammable, high-boiling liquid (b.p.

What is the CAS number of Pentachloroethane?

The CAS registry number of Pentachloroethane is 76-01-7.

What is the molecular formula and weight of Pentachloroethane?

The molecular formula of Pentachloroethane is C2HCl5 and its molar mass is 202.30 g/mol.

What is Pentachloroethane used for?

Solvent for oil & grease in metal cleaning, separation of coal from impurities. Also used for separation of coal from impurities by density difference. Pentachloroethane is used as a solvent for cellulose acetate, certain cellulose ethers, resins and gums.

Is Pentachloroethane hazardous?

Pentachloroethane carries the GHS signal word "Danger". Main hazards: suspected of causing cancer, causes damage to organs through prolonged or repeated exposure, toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pentachloroethane?

Pentachloroethane is usually classified under HS code 290319 (Saturated chlorinated derivatives of acyclic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pentachloroethane?

CompoundList lists 4 suppliers of Pentachloroethane in United States and Russia. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Pentachloroethane?

Suppliers quote Pentachloroethane on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Pentachloroethane

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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