Decahydronaphthalene
[CAS# 91-17-8]

Identification

• Classification: Analytical chemistry >> Standard >> Chromatographic standard
• Name: Decahydronaphthalene
• Synonyms: Dekalin; Naphthane; Perhydronaphthalene
• Molecular Formula: C₁₀H₁₈
• Molecular Weight: 138.25
• CAS Registry Number: 91-17-8
• EC Number: 202-046-9

Properties

• Density: 0.896
• Melting point: -31 ºC
• Boiling point: 187 ºC
• Refractive index: 1.474-1.476
• Flash point: 57 ºC
• Water solubility: 6 mg/L at 20 ºC

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S23;S24/25

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Acute toxicity	Acute Tox.	3	H331
Aspiration hazard	Asp. Tox.	1	H304
Skin corrosion	Skin Corr.	1C	H314
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Serious eye damage	Eye Dam.	1	H318
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Skin corrosion	Skin Corr.	1B	H314
Acute toxicity	Acute Tox.	4	H332
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	2	H371
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319

• Transport Information: UN 1147