CROTONYL CHLORIDE
Synonym(s):Crotonic acid chloride;Crotonoyl chloride
- CAS NO.：10487-71-5
- Empirical Formula: C4H5ClO
- Molecular Weight: 104.53
- MDL number: MFCD00000734
- EINECS: 234-010-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:48
What is CROTONYL CHLORIDE?
Chemical properties
Liquid, boiling point 124-125℃ (120℃), relative density 1.091, refractive index 1.4600, flammable, flash point 35℃, easy to polymerize, can add 160mg/L hydroquinone as stabilizer.
The Uses of CROTONYL CHLORIDE
Crotonyl chloride is commonly used in the preparation of crotonates and other derivatives.
Properties of CROTONYL CHLORIDE
| Boiling point: | 120-123 °C(lit.) |
| Density | 1.091 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 95 °F |
| storage temp. | Store below +30°C. |
| solubility | Chloroform (Soluble), Methanol (Slightly) |
| form | clear liquid |
| color | Colorless to Light yellow to Light orange |
| Stability: | Moisture sensitive |
| CAS DataBase Reference | 10487-71-5(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Butenoyl chloride (10487-71-5) |
Safety information for CROTONYL CHLORIDE
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H314:Skin corrosion/irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for CROTONYL CHLORIDE
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