Warfarin
杀鼠灵
Also known as: 3-(alpha-Acetonylbenzyl)-4-hydroxycoumarin, 4-hydroxy-3-(3-oxo-1-phenylbutyl)-2H-1-benzopyran-2-one, (RS)-3-(α-acetonylbenzyl)-4-hydroxycoumarin, (S)-(-)-Warfarin, (S)-Warfarin, (-)-Warfarin, rac-4-hydroxy-3-[(1R)-3-oxo-1-phenylbutyl]-2H-1-benzopyran-2-one, zoocoumarin, MFCD00006854, EINECS 201-377-6
Warfarin (CAS 81-81-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C19H16O4 and a molecular weight of 308.328 g/mol. It is also known as 3-(alpha-Acetonylbenzyl)-4-hydroxycoumarin, 4-hydroxy-3-(3-oxo-1-phenylbutyl)-2H-1-benzopyran-2-one and (RS)-3-(α-acetonylbenzyl)-4-hydroxycoumarin. Key properties include a melting point of 162-164 °C(lit.), a boiling point of 515.2±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 188.8±23.6 °C. It is classified under GHS with signal word Danger and hazard statements H300, H312 — Harmful in contact with skin and H360 — May damage fertility or the unborn child. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 81-81-2
- Jingsj CID
- J-1327835-9
- Molecular Formula
- C19H16O4
- Chinese Name
- 杀鼠灵
- Molecular Weight
- 308.328 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 162-164 °C(lit.) |
|---|---|
| Boiling Point | 515.2±50.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 188.8±23.6 °C |
| Exact Mass | 308.104858 |
| PSA | 67.51000 |
| LogP | 3.42 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.635 |
| Additional Property | Practically insoluble |
GHS Safety & Compliance
- H300
- H312 — Harmful in contact with skin
- H360 — May damage fertility or the unborn child
- H372 — Causes damage to organs through prolonged exposure
- H412 — Harmful to aquatic life with long lasting effects
Activity & Biological Data
| Additional Information | [1]. Ansell, J., et al., Pharmacology and management of the vitamin K antagonists: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition). Chest, 2008. 133(6 Suppl): p. 160S-198S. [2]. http://en.wikipedia.org/wiki/Warfarin |
|---|
Frequently Asked Questions
What is the CAS number of Warfarin?
The CAS number of Warfarin is 81-81-2.
What are the molecular formula and molecular weight of Warfarin?
Warfarin has molecular formula C19H16O4 and molecular weight 308.328 g/mol.
Is Warfarin hazardous?
Warfarin has GHS signal word Danger and hazard statements H300; H312 — Harmful in contact with skin; H360 — May damage fertility or the unborn child.
What are the upstream and downstream products of Warfarin?
For Warfarin, Upstream Products: 4-Hydroxycoumarin, (E)-4-phenylbut-3-en-2-one, Benzalacetone; Downstream Products: Warfarin potassium, Warfarin sodium, 8-Hydroxywarfarin.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Warfarin (CAS 81-81-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1327835-9 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.