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

2,3-Dichloropropene

2,3-Dichloropropene is a straw-colored liquid with a pungent odor.

CAS 78-88-6 Danger

01 · Identification

What 2,3-Dichloropropene is

2,3-Dichloropropene is a straw-colored liquid with a pungent odor. It boils at 94 °C, melts at 10 °C, is miscible with water.

Under the GHS it carries the signal word Danger. It is classed as flammable agents - 3rd degree.

CAS number78-88-6
EC number201-153-8
Index number602-079-00-2
Chemical class Flammable agents - 3rd degree

Other names for 2,3-Dichloropropene

  • 2,3-dichloropropylene

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 wordDanger
Hazard statements assigned to 2,3-Dichloropropene
CodeHazard statement
H225 Highly flammable liquid and vapour.
H341 Suspected of causing genetic defects <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
H332 Harmful if inhaled.
H312 Harmful in contact with skin.
H302 Harmful if swallowed.
H335 May cause respiratory irritation.
H315 Causes skin irritation.
H318 Causes serious eye damage.
H412 Harmful to aquatic life with long lasting effects.

Precautionary statements: P201, P210, P233, P241, P242, P260, P264, P270, P271, P273, P280, P301, P302, P304, P305, P308, P310, P312, P313, P330, P332, P338, P352, P403, P501

03 · Physical and chemical properties

2,3-Dichloropropene 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
Boiling point 94 °C (201.2 °F) at 760 mmHg HSDB
93.89 °C (201 °F) at 760 mmHg CAMEO
Melting point 10 °C (50 °F) HSDB
Density 1.211 g/cm³ at 20 °C HSDB
Solubility Miscible in ethanol; soluble in ethyl ether, benzene HSDB
Soluble in chloroform HSDB
In water, 21,500 mg/l @ 25 °C at 25 °C HSDB
Vapor pressure 53 mmHg at 20 °C CAMEO
61.2 mmHg at 25 °C HSDB
Flash point 15 °C (59 °F) Tag Closed Cup HSDB
10 °C (50 °F) CAMEO
15 °C (59 °F) Haz-Map
Autoignition temperature 557.22 °C (1035 °F) CAMEO
Lower explosive limit (LEL) 2.6 % by volume HSDB
Upper explosive limit (UEL) 7.8 % by volume HSDB
5.6 % by volume CAMEO
Vapor density 3.8 (air = 1) HSDB
3.83 (air = 1) CAMEO
Critical temperature and pressure 278.4 °C (533.1 °F) HSDB

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

04 · Handling and storage

Storing and handling 2,3-Dichloropropene

Reactivity

2,3-DICHLOROPROPENE is incompatible with strong oxidizers. (NTP, 1992)

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check 2,3-Dichloropropene in the storage compatibility matrix →

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