Phytanic acid
[CAS# 14721-66-5]

Identification

• Classification: Analytical chemistry >> Food safety >> Fatty acid, fatty acid methyl ester
• Name: Phytanic acid
• Synonyms: 3,7,11,15-tetramethylhexadecanoic acid
• Molecular Formula: C₂₀H₄₀O₂
• Molecular Weight: 312.53
• CAS Registry Number: 14721-66-5
• EC Number: 630-841-4
• SMILES: CC(C)CCCC(C)CCCC(C)CCCC(C)CC(=O)O

Properties

• Solubility: 0.001092 mg/L (25 °C water)
• Density: 0.9±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.454, Calc.^*
• Melting point: 124.61 °C
• Boiling Point: 377.27 °C, 422.3±13.0 °C (760 mmHg), Calc.^*
• Flash Point: 179.7±11.2 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H315-H319-H335
• Safety Statements: P261-P264-P264+P265-P271-P280-P302+P352-P304+P340-P305+P351+P338-P319-P321-P332+P317-P337+P317-P362+P364-P403+P233-P405-P501

Hazard Classification

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