硬脂醇

Description

C18 Alcohol · CAS 112-92-5 · C18H38O. UNII 2KR89I4H1Y. Boiling Point: 210.5 °C at 15 mm Hg; Boiling Point: 336 °C; Boiling Point: 202 °C @760 [mm Hg].

Identification

CAS Registry Number	112-92-5
PubChem CID	8221
Molecular formula	C18H38O
IUPAC name	octadecan-1-ol
UNII (FDA)	2KR89I4H1Y

Computed Descriptors

Molecular Weight	270.5
XLogP3	8.4
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	16
Exact Mass	270.292265831
Monoisotopic Mass	270.292265831
Topological Polar Surface Area	20.2
Heavy Atom Count	19
Formal Charge	0

Physical & Chemical Properties

Boiling Point	210.5 °C at 15 mm Hg
Boiling Point	336 °C
Boiling Point	202 °C @760 [mm Hg]
Melting Point	59.5 °C
Melting Point	59.8 °C
Melting Point	58 °C
Flash Point	200 °C
Flash Point	392 °F (200 °C) (Closed cup)
Flash Point	170 °C
Solubility	In water, 1.1X10-3 mg/L at 25 °C

Physical description & handling notes

• Large Crystals; Liquid; Other Solid; Liquid; Other Solid; Dry Powder; Large Crystals
• White solid; [Hawley]
• Solid
• COLOURLESS-TO-WHITE SLIGHTLY WAXY FLAKES OR LEAFLETS.
• Leaflets from ethanol
• Unctuous white flakes or granules

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: SURFACE-FINISHING AGENT, TEXTURIZER FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS Flavoring Agents Use in margarine, shortening, and food products that require the use of semi-solid and solid fats as a texturi Scientific procedures
GHS notification summary	61.7% (1186 / 1921)

GHS Hazard Classification

GHS notification summary	61.7% (1186 / 1921)
Reported hazard statements	H319 (23.1%), H400 (15%), H411 (15.4%), H412 (15%)

Documented Uses

• CIR ingredient: Stearyl Alcohol
• Used as a substitute for cetyl alcohol in pharmaceutical dispensing; in cosmetic creams and perfumery; in textile oils and finishes; as an antifoam agent; and in lubricants, resins, and surface active agents; Synthetic stearyl alcohol has been approved as a direct and indirect food additive ingredient and as an ingredient in over-the-counter drugs; [HSDB]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Substitute for cetyl alcohol in pharmaceutical dispensing, in cosmetic creams, for emulsions, textile oils and finishes; as antifoam agent, lubricant, and chemical raw material.
• Perfumery, cosmetics, intermediate, surface active agents, lubricants, resins, antifoam agent.
• Antifoam agent /for bioprocesses/

Synonyms

Stearyl alcohol; 1-OCTADECANOL; Octadecan-1-ol; 112-92-5; 1-Hydroxyoctadecane; Octadecyl alcohol; n-Octadecanol; Stearol; Stearic alcohol; n-Octadecyl alcohol; Atalco S; n-1-Octadecanol; Steraffine; Alfol 18; Sipol S; Alcohol stearylicus

Frequently Asked Questions

What are the CAS number and molecular formula of C18 Alcohol?

CAS 112-92-5; molecular formula C18H38O; molecular weight — g/mol.

What other names is C18 Alcohol known by?

Stearyl alcohol, 1-OCTADECANOL, Octadecan-1-ol, 112-92-5, 1-Hydroxyoctadecane, Octadecyl alcohol.

What is the regulatory status of C18 Alcohol?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: SURFACE-FINISHING AGENT, TEXTURIZER; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is C18 Alcohol classified as hazardous?

61.7% of GHS notifications report no hazard classification (1186 of 1921).

What are the key physical properties of C18 Alcohol?

Boiling Point: 210.5 °C at 15 mm Hg; Boiling Point: 336 °C; Boiling Point: 202 °C @760 [mm Hg]; Melting Point: 59.5 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.