(9E)-9-Octadecenoic acid
[CAS# 112-79-8]

Identification

• Classification: Chemical reagent >> Organic reagent >> Fatty acid
• Name: (9E)-9-Octadecenoic acid
• Synonyms: 9-trans-Oleic acid; Elaidinic acid; NSC 26988
• Molecular Formula: C₁₈H₃₄O₂
• Molecular Weight: 282.46
• CAS Registry Number: 112-79-8
• EC Number: 204-006-6

Properties

• Solubility: Insoluble (2.3E^-3 g/L) (25 ºC), Calc.^*
• Density: 0.8734 g/cm³ (20 ºC)^**
• Melting point: 54 ºC^***
• Refractive index: 1.4597 (589.3 nm 20 ºC)^****

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Rocha, Stella A.; Fluid Phase Equilibria 2009, V281(1), P12-21.

^*** Vongerichten, E.; Berichte der Deutschen Chemischen Gesellschaft 1909, V42, P1638-9.

^**** Smith, J. C.; Journal of the Chemical Society 1939, P974-80.

Safety Data

Hazard Classification

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