Acetylsalicylic acid
乙酰水杨酸
Also known as: Aspirin, 2-Acetoxybenzoic acid, o-Acetylsalicylic acid, ASA, A.S.A., Acetard, Acetoxybenzoic acid, Acetyl-SAL, Acetyonyl, Adiro, Asatard, Aspec, Aspr, Aspro, Aspropharm, Bayer, Benzoic acid, 2-(acetyloxy)-, Cardioaspirina, Doril, ECM
- CAS No.
- 50-78-2
- Jingsj CID
- J-8258-3
- Molecular Formula
- C9H8O4
- Chinese Name
- 乙酰水杨酸
- Molecular Weight
- 180.157 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 134-136 °C(lit.) |
|---|---|
| Boiling Point | 321.4±25.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 131.2±16.7 °C |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of Acetylsalicylic acid?
50-78-2
What are the molecular formula and molecular weight of Acetylsalicylic acid?
C9H8O4, molecular weight 180.157 g/mol
Is Acetylsalicylic acid hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026