Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Substance profile

Chlorfenson

Chlorfenson is crystals from benzene.

CAS 80-33-1 Warning

01 · Identification

What Chlorfenson is

Chlorfenson is crystals from benzene. It melts at 86.5 °C, is soluble in water.

Under the GHS it carries the signal word Warning.

CAS number80-33-1
EC number201-270-4
Index number607-156-00-4

Other names for Chlorfenson

  • chlorfenson (ISO)
  • 4-chlorophenyl 4-chlorobenzenesulfonate

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordWarning
Hazard statements assigned to Chlorfenson
CodeHazard statement
H302 Harmful if swallowed.
H315 Causes skin irritation.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements: P264, P270, P273, P280, P301, P302, P312, P313, P330, P332, P352, P391, P501

03 · Physical and chemical properties

Chlorfenson properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Melting point 86.5 °C (187.7 °F) HSDB
80 °C (176 °F) approximate, TECHNICAL HSDB
Solubility SOLUBLE IN AROMATIC SOLVENTS, ACETONE; INSOLUBLE IN WATER HSDB
SOL IN 100 G SOLVENT @ 25 °C: 1 G IN ETHYL ALC; 2 G IN KEROSENE at 25 °C HSDB
Vapor pressure 0.00000188 mmHg Haz-Map
Negligible at 25 °C at 25 °C HSDB
Corrosivity Noncorrosive HSDB

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

04 · Source notes

Further notes on Chlorfenson

These are descriptions rather than measured values, so they are kept out of the table above and quoted here with the source that reported them.

Solubility

PRACTICALLY INSOL IN WATER; SOL @ 25 °C IN G/100 ML: 1.4 G IN 95% ALCOHOL; 41.0 G IN CARBON TETRACHLORIDE; 110.0 G IN CYCLOHEXANONE; 110.0 G IN ETHYLENE DICHLORIDE; 2.0-2.7 G IN PETROLEUM OILS; 130.0 G IN ACETONE; 78 G IN XYLENE

Source: HSDB

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