Heptadecanoic acid
[CAS# 506-12-7]

Identification

• Classification: Chemical reagent >> Organic reagent >> Fatty acid
• Name: Heptadecanoic acid
• Synonyms: Margaric acid; Margarinic acid; NSC 3743; n-Heptadecanoic acid; n-Heptadecoic acid; n-Heptadecylic acid
• Molecular Formula: C₁₇H₃₄O₂
• Molecular Weight: 270.45
• CAS Registry Number: 506-12-7
• EC Number: 208-027-1

Properties

• Density: 0.8532 g/cm³ (60 ºC)^*
• Melting point: 62.5-63 ºC^**
• Refractive index: 1.4348 (589.3 nm 40 ºC)^***

^* Ruttan, R. F.; Orig. Com. 8th Intern. Congr. Appl. Chem. (Appendix) 1913, V25, P431-42.

^** DE 1136326 1962.

^*** Hansen, R. P.; Nature 1957, V179, P98.

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319