1-Hexadecanol

1-Hexadecanol Chemical Properties
Melting point 48-50 °C (lit.)
Boiling point 179-181 °C/10 mmHg (lit.)
density 0.818 g/mL at 25 °C (lit.)
vapor density 8.34 (vs air)
vapor pressure <0.01 mm Hg ( 43 °C)
refractive index nD79 1.4283
FEMA 2554 | 1-HEXADECANOL
Fp 275 °F
storage temp. Store below +30°C.
solubility Soluble in alcohol, chloroform, ether
form Powder, Flakes or Pellets
pka15.20±0.10(Predicted)
color White to off-white
Odorat 100.00 %. waxy clean greasy floral oily
Odor Typewaxy
explosive limit8%
Water Solubility insoluble
Merck 14,2028
JECFA Number114
BRN 1748475
Stability:Stable. Incompatible with strong oxidizing agents, strong acids.
LogP6.7
CAS DataBase Reference36653-82-4(CAS DataBase Reference)
NIST Chemistry Reference1-Hexadecanol(36653-82-4)
EPA Substance Registry System1-Hexadecanol (36653-82-4)
Safety Information
Hazard Codes Xi
Risk Statements 38-36/37/38
Safety Statements 22-24/25-37
WGK Germany -
RTECS MM0225000
Autoignition Temperature483 °F
TSCA Yes
HS Code 29051700
Hazardous Substances Data36653-82-4(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: > 2000 mg/kg LD50 dermal Rabbit > 2000 mg/kg
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
ALFA English
1-Hexadecanol Usage And Synthesis
Description1-Hexadecanol is a waxy white powder or flake form at room temperature, and is insoluble in water and soluble in alcohols and oils. Discovered by Chevrenl in 1913, It is one of the oldest known long-chain alcohol. It can be produced from the reduction of palmitic acid. 1-Hexadecanol may be contained in cosmetic and personal care products such as shampoos, creams and lotions. it is mainly used as an opacifier, emulsifier, and thickening agent that alter the thickness of the liquid, and increase and stabilize the foaming capacity.
Chemical PropertiesCetyl alcohol occurs as waxy, white flakes, granules, cubes, or castings. It has a faint characteristic odor and bland taste.
OriginatorHexadecyl alcohol,Esso Res. And Eng. Co.
OccurrenceReported as a major constituent of spermaceti oil, where it is present chiefy as cetyl palmitate Also reported found in guava, peach, pear, kohlrabi, baked potato, mustard, Parmesan cheese, butter, milk powder, boiled egg, cooked chicken, roasted beef, beef fat, whiskies, tea, starfruit, mango, rice, licorice, kiwifruit, loquat, endive, shrimp, crab, clam, Cape gooseberry and pawpaw
Usescetyl alcohol is a versatile ingredient that can serve as an emollient, emulsifier, thickener, binder, foam booster, or emulsion stabilizer, depending on the formulation and need. It is derived from coconut or palm oil as well as being synthetically manufactured. It is considered by some sources to be a non-comedogenic material.
Uses1-Hexadecanol has been used in preparation of:
(±)-2-methoxyheptadecanoic acid (fatty acid)
high-chain fatty acid esters of 1-hexadecanol, novel organic phase change material for thermal energy storage
hexadecane (alkane) in the presence of membrane fraction of Vibrio furnissii M1
DefinitionChEBI: 1-Hexadecanol is a long chain fatty alcohol that is hexadecane substituted by a hydroxy group at position 1. It is a synthetic, solid, fatty alcohol and nonionic surfactant. It is used as an emulsifying agent in pharmaceutical preparations.
Production MethodsCetyl alcohol may be manufactured by a number of methods such as esterification and hydrogenolysis of fatty acids or by catalytic hydrogenation of the triglycerides obtained from coconut oil or tallow. Cetyl alcohol may be purified by crystallization and distillation.
Therapeutic FunctionPharmaceutic aid
Synthesis Reference(s)The Journal of Organic Chemistry, 42, p. 512, 1977 DOI: 10.1021/jo00423a025
Synthetic Communications, 25, p. 1901, 1995 DOI: 10.1080/00397919508015865
Tetrahedron Letters, 24, p. 4485, 1983 DOI: 10.1016/S0040-4039(00)85933-X
General Description1-Hexadecanol is a free fatty acid alcohol generally used as an emulsifier, emollient, opacifier and surfactant in cosmetics formulations.
Flammability and ExplosibilityNotclassified
SafetyCetyl alcohol is mainly used in topical formulations, although it has also been used in oral and rectal preparations.
Cetyl alcohol has been associated with allergic delayed-type hypersensitivity reactions in patients with stasis dermatitis. Crosssensitization with cetostearyl alcohol, lanolin, and stearyl alcohol has also been reported. It has been suggested that hypersensitivity may be caused by impurities in commercial grades of cetyl alcohol since highly refined cetyl alcohol (99.5%) has not been associated with hypersensitivity reactions.
LD50 (mouse, IP): 1.6 g/kg
LD50 (mouse, oral): 3.2 g/kg
LD50 (rat, IP): 1.6 g/kg
LD50 (rat, oral): 5 g/kg




storageCetyl alcohol is stable in the presence of acids, alkalis, light, and air; it does not become rancid. It should be stored in a well-closed container in a cool, dry place.
Purification MethodsCrystallise the alcohol from aqueous EtOH or from cyclohexane. Alternatively purify it by zone refining. The purity can be checked by gas chromatography. [Beilstein 1 H 429, 1 I 219, 1 II 466, 1 III 1815, 1 IV 1876.]
IncompatibilitiesIncompatible with strong oxidizing agents. Cetyl alcohol is responsible for lowering the melting point of ibuprofen, which results in sticking tendencies during the process of film coating ibuprofen crystals.
Regulatory StatusIncluded in the FDA Inactive Ingredients Database (ophthalmic preparations, oral capsules and tablets, otic and rectal preparations, topical aerosols, creams, emulsions, ointments and solutions, and vaginal preparations). Included in nonparenteral medicines licensed in the UK. Included in the Canadian List of Acceptable Nonmedicinal Ingredients.
Polyethylene Glycol Monocetyl Ether OCTACOSANOIC ACID HEXADECANOIC ACID-1-13C 4-HEXADECYLOXYBENZOIC ACID 2-Dodecyl-1-hexadecanol,1-Hexadecanol, 2-dodecyl-,2-Dodecyl-1-hexadecanol,1-Hexadecanol, 2-dodecyl- HEXADECANEDIOIC ACID 1-Hexadecanol, phosphate, compd. with 2,2-iminobisethanol,1-Hexadecanol, phosphate, compd. with 2,2-iminobisethanol POLYOXYETHYLENE 20 ISOHEXADECYL ETHER Tetracosanedioic acid OCTADECANOIC ACID-1-13C Hexadecane value impover for diesel oil AGARIC ACID HEXADECYL 2-ETHYLHEXANOATE 3,7,11,15-tetramethyl-1-hexadecanol,3,7,11,15-tetramethyl-1-hexadecanol butylene glycol/ adipic acid polymer, hexadecanol ester,butylene glycol/ adipic acid polymer, hexadecanol ester [R,(-)]-14-Methyl-1-hexadecanol,[R,(-)]-14-Methyl-1-hexadecanol Sodium Palmitate HENEICOSANOIC ACID Cetyl Alcohol Flakes

Email:[email protected] [email protected]
Copyright © 2024 Mywellwork.com All rights reserved.