Naphthalene
[CAS# 91-20-3]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Aromatic hydrocarbon
• Name: Naphthalene
• Molecular Formula: C₁₀H₈
• Molecular Weight: 128.17
• CAS Registry Number: 91-20-3
• EC Number: 202-049-5

Properties

• Density: 0.99
• Melting point: 79-83 °C
• Boiling point: 218 °C
• Flash point: 78 °C
• Water solubility: 30 mg/L (25 °C)

Safety Data

• Hazard Symbols: GHS07;GHS08;GHS09 Warning
• Risk Statements: H351-H302-H400-H410
• Safety Statements: S36/37;S46;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Carcinogenicity	Carc.	2	H351
Flammable solids	Flam. Sol.	2	H228
Flammable solids	Flam. Sol.	1	H228
Carcinogenicity	Carc.	2	H350
Aspiration hazard	Asp. Tox.	1	H304
Oxidising liquids	Ox. Liq.	1	H271
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Serious eye damage	Eye Dam.	1	H318
Specific target organ toxicity - repeated exposure	STOT RE	1	H373
Flammable liquids	Flam. Liq.	2	H225
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	2	H300
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Skin irritation	Skin Irrit.	2	H315
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411