1-Chloropentane
Synonym(s):Amyl chloride;Pentyl chloride
- CAS NO.：543-59-9
- Empirical Formula: C5H11Cl
- Molecular Weight: 106.59
- MDL number: MFCD00001015
- EINECS: 208-846-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-18 19:20:56
What is 1-Chloropentane?
Chemical properties
CLEAR COLOURLESS LIQUID
The Uses of 1-Chloropentane
Chemical intermediate.
General Description
Clear colorless to pale yellow liquids. Flash points below 200°F. Less dense than water and insoluble in water. Vapors heavier than air.
Air & Water Reactions
Flammable. Insoluble in water.
Reactivity Profile
Halogenated aliphatic compounds, such as CHLOROPENTANE, are moderately or very reactive. Reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms. Materials in this group may be incompatible with strong oxidizing and reducing agents. Also, they may be incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides.
Hazard
Flammable, dangerous fire risk; lower explosive level 1.4%, upper explosive level 8.6%. May be narcotic in high concentrations.
Health Hazard
Inhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Safety Profile
Dangerous fire hazard when exposed to heat or flame; can react with oxidizing materials. Moderately explosive in the form of vapor when exposed to heat or flame. To fight fire, use foam, CO2, dry chemical. Dangerous; when heated to decomposition it emits highly toxic fumes of phosgene and Cl-. See also CHLORINATED HYDROCARBONS, ALIPHATIC
Purification Methods
Purify as for sec-amyl chloride. [Beilstein 1 IV 309.]
Properties of 1-Chloropentane
| Melting point: | -60 °C |
| Boiling point: | 107-108 °C (lit.) |
| Density | 0.882 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 52 °F |
| storage temp. | Flammables area |
| solubility | alcohol: miscible(lit.) |
| form | Liquid |
| color | Clear colorless |
| explosive limit | 1.4-8.6%(V) |
| Water Solubility | practically insoluble |
| Merck | 14,606 |
| BRN | 1696936 |
| Dielectric constant | 6.6（11℃） |
| CAS DataBase Reference | 543-59-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Pentane, 1-chloro-(543-59-9) |
| EPA Substance Registry System | 1-Chloropentane (543-59-9) |
Safety information for 1-Chloropentane
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 1-Chloropentane
| InChIKey | SQCZQTSHSZLZIQ-UHFFFAOYSA-N |
1-Chloropentane manufacturer
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