Substance profile
1-chloro-2,3-epoxypropane
1-chloro-2,3-epoxypropane is a colorless liquid with an odor is sweet, pungent or chloroform-like generally perceived as a slightly.
01 · Identification
What 1-chloro-2,3-epoxypropane is
1-chloro-2,3-epoxypropane is a colorless liquid with an odor is sweet, pungent or chloroform-like generally perceived as a slightly. Its molecular formula is C3H5ClO and its molecular weight is 92.52 g/mol. It boils at 118 °C, melts at -25.6 °C, is miscible with water.
Under the GHS it carries the signal word Danger. It is classed as hazardous Air Pollutants (HAPs).
Other names for 1-chloro-2,3-epoxypropane
- epichlorhydrin
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.
| Code | Hazard statement |
|---|---|
| H226 | Flammable liquid and vapour. |
| H350 | May cause cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H331 | Toxic if inhaled. |
| H311 | Toxic in contact with skin. |
| H301 | Toxic if swallowed. |
| H314 | Causes severe skin burns and eye damage. |
| H317 | May cause an allergic skin reaction. |
Precautionary statements: P201, P210, P233, P241, P242, P260, P261, P270, P271, P272, P280, P301, P302, P304, P308, P310, P313, P330, P331, P333, P352, P403
03 · Physical and chemical properties
1-chloro-2,3-epoxypropane 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 | 117.9 °C (244.2 °F) | HSDB | |
| 116.67 °C (242 °F) | NIOSH | ||
| 116.5 °C (241.7 °F) | at 760 mmHg | CAMEO | |
| Melting point | -25.6 °C (-14.1 °F) | HSDB | |
| -47.78 °C (-54 °F) | NIOSH | ||
| -48 °C (-54.4 °F) | ICSC | ||
| Density | 1.18 g/cm³ | NIOSH | |
| 1.2 g/cm³ | ICSC | ||
| 1.175 g/cm³ | at 25 °C | HSDB | |
| Solubility | Miscible with most organic solvents | HSDB | |
| Miscible with alcohol, ether, chloroform, trichloroethylene, carbon tetrachloride; immiscible with petroleum hydrocarbons. | HSDB | ||
| In water, 6.59X10+4 mg/L at 25 °C | at 25 °C | HSDB | |
| Vapor pressure | 13 mmHg | NIOSH | |
| 12.001 mmHg | at 20 °C | ICSC | |
| 16.4 mmHg | at 25 °C | HSDB | |
| Flash point | 31.11 °C (88 °F) | HSDB | |
| 33.89 °C (93 °F) | NIOSH | ||
| Autoignition temperature | 411.11 °C (772 °F) | HSDB | |
| 385 °C (725 °F) | ICSC | ||
| Lower explosive limit (LEL) | 3.8 % by volume | HSDB | |
| Upper explosive limit (UEL) | 21 % by volume | HSDB | |
| Vapor density | 3.29 (air = 1) | HSDB | |
| 3.2 (air = 1) | ICSC | ||
| Odor threshold | Sensory perception studies indicate that mean threshold for odor recognition is approximately 10 ppm ... @ 25 ppm it is recognized by majority of persons. | HSDB | |
| Human Odor Perception: non perception 0.2 mg/cu m; perception 0.3 mg/cu m | HSDB | ||
| Odor Threshold Low: 0.08 [ppm] | Haz-Map |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling 1-chloro-2,3-epoxypropane
Storage conditions
Separate from acids, alkalies, salts, water, and oxidizers. Store in a cool, dry, well-ventilated location. Inside storage should be in a standard flammable liquids storage warehouse, room, or cabinet.
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Strong oxidizers, strong acids, certain salts, caustics, zinc, aluminum, water [Note: May polymerize in presence of strong acids and bases particularly when hot.].
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
1-CHLORO-2,3-EPOXYPROPANE may polymerize exothermically if heated or contaminated. Reacts explosively with aniline. Ignites on contact with potassium tert-butoxide. Reacts with trichloroethylene to give the explosive dichloroacetylene. Violent reaction with sulfuric acid or isopropylamine. Exothermic polymerization on contact with strong acids or bases, zinc, aluminum, aluminum chloride, iron, ferric chloride [Sax, 9th ed., 1996, p. 1469].
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check 1-chloro-2,3-epoxypropane in the storage compatibility matrix →