O-Acetylsalicyloyl chloride
邻乙酰水杨酰氯
Also known as: 2-Acetoxybenzoyl chloride, Acetylsalicyloyl chloride, Aspirin chloride, 2-(Acetyloxy)benzoyl chloride, 2-(Chlorocarbonyl)phenyl acetate, o-Acetylsalicoyl chloride, O-Acetylsalicylryl chloride
- CAS No.
- 5538-51-2
- Jingsj CID
- J-19174-2
- Molecular Formula
- C9H7ClO3
- Chinese Name
- 邻乙酰水杨酰氯
- Molecular Weight
- 198.603 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 45-49 °C(lit.) |
|---|---|
| Boiling Point | 345.8±0.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 126.6±21.6 °C |
GHS Safety & Compliance
Corrosion / IrritantSignal word: Danger
Frequently Asked Questions
What is the CAS number of O-Acetylsalicyloyl chloride?
5538-51-2
What are the molecular formula and molecular weight of O-Acetylsalicyloyl chloride?
C9H7ClO3, molecular weight 198.603 g/mol
Is O-Acetylsalicyloyl chloride hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026