十八酰胺

Description

Octadecanamide · CAS 124-26-5 · C18H37NO. UNII YQX129FH1U. Boiling Point: BP: 250 °C at 12 mm Hg; Melting Point: 107 °C; Melting Point: 109 °C.

Identification

CAS Registry Number	124-26-5
PubChem CID	31292
Molecular formula	C18H37NO
IUPAC name	octadecanamide
UNII (FDA)	YQX129FH1U

Computed Descriptors

Molecular Weight	283.5
XLogP3	6.8
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	16
Exact Mass	283.287514804
Monoisotopic Mass	283.287514804
Topological Polar Surface Area	43.1
Heavy Atom Count	20
Formal Charge	0

Physical & Chemical Properties

Boiling Point	BP: 250 °C at 12 mm Hg
Melting Point	107 °C
Melting Point	109 °C
Vapor Pressure	0.004 [mmHg]
LogP	log Kow = 6.70

Physical description & handling notes

• Dry Powder; Dry Powder; Large Crystals; Large Crystals
• Colorless solid; [Hawley] Beige powder; [MSDSonline]
• Solid
• Leaflets from alcohol
• Colorless
• Insoluble in water

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Viscosity controlling; Foam boosting; Opacifying
GHS notification summary	99.1% (220 / 222)

GHS Hazard Classification

GHS notification summary	99.1% (220 / 222)

Documented Uses

• Used as a release agent in plastic and film manufacturing, as an intermediate for textile waterproofing agents, and as a corrosion inhibitor in oil wells; [HSDB]
• Petroleum Production and Refining [Category: Industry]
• Corrosion inhibitor in oil wells.
• Industrial uses: Anti-adhesive agents; Lubricants and lubricant additives; Plating agents and surface treating agents; Processing aids; Viscosity adjustors Consumer uses: Building/Construction Materials; Food Packaging; Fuels and Related Products; Plastic and Rubber Products
• CHEM INT FOR TEXTILE WATERPROOFING AGENTS
• Plastics -> Typical concentration range in plastic materials -> 0.2 - 3.0%

Synonyms

Octadecanamide; Stearamide; 124-26-5; STEARIC ACID AMIDE; Octadecamide; Octadecylamide; Stearylamide; Kemamide S; Stearoylamide; Stearoylamine; Stearic amide; Adogen 42; NSC 66462; CCRIS 6866; HSDB 723; EINECS 204-693-2

Frequently Asked Questions

What are the CAS number and molecular formula of Octadecanamide?

CAS 124-26-5; molecular formula C18H37NO; molecular weight — g/mol.

What other names is Octadecanamide known by?

Octadecanamide, Stearamide, 124-26-5, STEARIC ACID AMIDE, Octadecamide, Octadecylamide.

What is the regulatory status of Octadecanamide?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; CIR / INCI: Viscosity controlling; Foam boosting; Opacifying.

Is Octadecanamide classified as hazardous?

99.1% of GHS notifications report no hazard classification (220 of 222).

What are the key physical properties of Octadecanamide?

Boiling Point: BP: 250 °C at 12 mm Hg; Melting Point: 107 °C; Melting Point: 109 °C; Vapor Pressure: 0.004 [mmHg].

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.