Warfarin
[CAS# 81-81-2]

Identification

• Classification: API >> Blood system medication >> Anticoagulant and antiplatelet drugs
• Name: Warfarin
• Synonyms: 4-Hydroxy-3-(3-oxo-1-phenylbutyl)coumarin; 3-(1'-Phenyl-2'-acetylethyl)-4-hydroxycoumarin
• Molecular Formula: C₁₉H₁₆O₄
• Molecular Weight: 308.33
• CAS Registry Number: 81-81-2
• EC Number: 201-377-6

Properties

• Melting point: 162-164 °C
• Boiling point: 356 °C
• Water solubility: Practically insoluble

Safety Data

• Hazard Symbols: GHS08;GHS06;GHS09 Danger
• Risk Statements: H360D-H330-H310-H300-H372
• Safety Statements: S52;S45;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Reproductive toxicity	Repr.	1A	H360
Acute toxicity	Acute Tox.	1	H310
Acute toxicity	Acute Tox.	1	H330
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Acute toxicity	Acute Tox.	2	H300
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Acute toxicity	Acute Tox.	1	H300
Acute toxicity	Acute Tox.	4	H312
Eye irritation	Eye Irrit.	2	H319
Reproductive toxicity	Repr.	1A	H360D
Reproductive toxicity	Repr.	1A	H360D

• Transport Information: UN 2588; UN 2811