Isophytol

Synonym(s):3,7,11,15-Tetramethyl-1-hexadecen-3-ol

CAS NO.：505-32-8
Empirical Formula: C20H40O
Molecular Weight: 296.53
MDL number: MFCD00048380
EINECS: 208-008-8
SAFETY DATA SHEET (SDS)
Update Date: 2026-04-03 14:17:14

What is Isophytol?

Description

Isophytol, also known as 3,7,11,15-tetramethyl-1-hexadecen-3-ol, is a derivative of acetylene and acetone. Isophytol is a terpenoid alcohol that is used as a fragrance and as an intermediate in the production of vitamin E and K1. Among them, the amount of isophytol used in production of vitamin E is the largest, followed by that used in the production of vitamin K1, while only about 0.1% of isophytol is used for fragrance and flavoring. Vitamin E is widely used in medicine, food, animal feed, beauty cosmetics and other aspects.

Chemical properties

colourless viscous liquid

The Uses of Isophytol

preparation of vitamins E and K1.

The Uses of Isophytol

iso-Phytol was introduced to the perfumers as a natural flower oil fixative. high-grade iso-Phytol is a useful and effective material for application in artificial flower absolutes, and in certain perfume bases,specialties, etc.

Preparation

1) by decomposition of Chlorophyll extract from Alfalfa grass.
2) by hydrogenation of Geranyl linalool (see monograph).

Flammability and Explosibility

Non flammable

Properties of Isophytol

Melting point:	43.4°C (estimate)
Boiling point:	309 °C(lit.)
Density	0.841 g/mL at 25 °C(lit.)
refractive index	n20/D 1.457(lit.)
Flash point:	>230 °F
solubility	soluble in Chloroform
pka	14.51±0.29(Predicted)
form	clear liquid
color	Colorless to Light yellow
Specific Gravity	0.84
Odor	at 100.00 %. mild floral herbal green
Water Solubility	Practically insoluble
Merck	14,5198
BRN	1783243
Stability:	Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference	505-32-8(CAS DataBase Reference)
NIST Chemistry Reference	Isophytol(505-32-8)
EPA Substance Registry System	1-Hexadecen-3-ol, 3,7,11,15-tetramethyl- (505-32-8)

Safety information for Isophytol

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07 Environment GHS09
GHS Hazard Statements	H315:Skin corrosion/irritation H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes	P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P332+P313:IF SKIN irritation occurs: Get medical advice/attention.