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Octadecanamide

CAS No.
124-26-5
Chemical Name:
Octadecanamide
Synonyms
STEARAMIDE;Stearic acid amide;AMIDE C18;Stearmide;Kemamide S;AMD-18;Armid 18;Adogen 42;stearicamide;Stearylamide
CBNumber:
CB5211841
Molecular Formula:
C18H37NO
Molecular Weight:
283.49
MDL Number:
MFCD00008038
MOL File:
124-26-5.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 01:23:25
Product description Number Pack Size Price
Stearamide >90.0%(GC) S0075 25g $25
Stearamide >90.0%(GC) S0075 250g $94
Stearamide ≥98% 21087 100mg $36
Stearamide ≥98% 21087 250mg $70
Stearamide ≥98% 21087 500mg $120
More product size

Octadecanamide Properties

Melting point 98-102 °C(lit.)
Boiling point 250-251 °C12 mm Hg(lit.)
Density 0.9271 (rough estimate)
vapor pressure 0Pa at 25℃
refractive index 1.432-1.434
storage temp. Refrigerator
solubility Chloroform (Slightly, Sonicated), Methanol (Slightly)
pka 16.61±0.40(Predicted)
form A solid
color White
Water Solubility 102μg/L at 20℃
BRN 909006
Cosmetics Ingredients Functions SURFACTANT - FOAM BOOSTING
OPACIFYING
VISCOSITY CONTROLLING
InChI 1S/C18H37NO/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H2,19,20)
InChIKey LYRFLYHAGKPMFH-UHFFFAOYSA-N
SMILES CCCCCCCCCCCCCCCCCC(N)=O
LogP 6.7
CAS DataBase Reference 124-26-5(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances STEARIC ACID AMIDE
FDA 21 CFR 177.1210; 178.3910
EWG's Food Scores 1
FDA UNII YQX129FH1U
NIST Chemistry Reference Octadecanamide(124-26-5)
EPA Substance Registry System Octadecanamide (124-26-5)
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P301+P312-P302+P352-P304+P340-P305+P351+P338
Safety Statements  22-24/25
WGK Germany  1
RTECS  RG0182000
TSCA  TSCA listed
HS Code  29241990
Storage Class 11 - Combustible Solids
Hazardous Substances Data 124-26-5(Hazardous Substances Data)
REACH Registrations Active
NFPA 704
1
0 0

Octadecanamide price More Price(19)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical S0075 Stearamide >90.0%(GC) 124-26-5 25g $25 2026-04-30 Buy
TCI Chemical S0075 Stearamide >90.0%(GC) 124-26-5 250g $94 2026-04-30 Buy
Cayman Chemical 21087 Stearamide ≥98% 124-26-5 100mg $36 2026-04-30 Buy
Cayman Chemical 21087 Stearamide ≥98% 124-26-5 250mg $70 2026-04-30 Buy
Cayman Chemical 21087 Stearamide ≥98% 124-26-5 500mg $120 2026-04-30 Buy
Product number Packaging Price Buy
S0075 25g $25 Buy
S0075 250g $94 Buy
21087 100mg $36 Buy
21087 250mg $70 Buy
21087 500mg $120 Buy

Octadecanamide Chemical Properties,Uses,Production

Chemical Properties

Octadecanamide is a white or light yellow granules. After recrystallization in ethanol, it is colorless leafy crystal. Soluble in hot ethanol, chloroform, ether, insoluble in cold ethanol, insoluble in water. Lubricity is lower than grease right, and the continuity is shorter. Thermal stability is poor, with initial coloring. With a small amount of advanced alcohol (C16 ~ 18) can overcome the above shortcomings.

Uses

Corrosion inhibitor in oil wells.

Definition

ChEBI: Octadecanamide is a fatty amide of stearic acid. It has a role as a metabolite. It derives from an octadecanoic acid.

Flammability and Explosibility

Non flammable

Safety Profile

Questionable carcinogen withexperimental tumorigenic data. When heated todecomposition it emits toxic fumes of NOx.

Toxics Screening Level

The initial threshold screening level (ITSL) for octadecanamide is 0.1 micrograms per cubic meter (μg/m3 based on an annual averaging time.

57-11-4
124-26-5
Synthesis of Octadecanamide from Stearic acid
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View Lastest Price from Octadecanamide manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Stearamide pictures 2026-05-29 Stearamide
124-26-5
US $56.00 / mg 99.32% 10g TargetMol Chemicals Inc.
Octadecanamide pictures 2026-05-28 Octadecanamide
124-26-5
US $5.00-2.00 / KG 1KG 99% 10000kg Hebei Chuanghai Biotechnology Co,.LTD
Octadecanamide pictures 2026-03-20 Octadecanamide
124-26-5
US $10.00 / kg 1kg 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
  • Stearamide pictures
  • Stearamide
    124-26-5
  • US $56.00 / mg
  • 99.32%
  • TargetMol Chemicals Inc.
  • Octadecanamide pictures
  • Octadecanamide
    124-26-5
  • US $5.00-2.00 / KG
  • 99%
  • Hebei Chuanghai Biotechnology Co,.LTD
  • Octadecanamide pictures
  • Octadecanamide
    124-26-5
  • US $10.00 / kg
  • 99%
  • Hebei Chuanghai Biotechnology Co., Ltd
AKAWAX S-MICROBEADS Adogen 42 adogen42 Advawax 290 Amide T Armid 18 Crodamide S Crodamide S, SR Kemamide S kemamides Octadecamide Octadecylamide Petrac vyn-eze Stearic amide stearicacidamide stearicamide Stearicoamide Stearoylamine Stearylamide Uniwax 1750 Stearamide,90% OCTADECANAMIDE, TECH., 85% Stearamide,~60% Octadecanamide, tech., ca 60% C18 Amide C18, Stearamide Octadecanamide, ca 60% C18, tech. STEARAMIDE=STEAROYLAMIDE=STEARINSREAMID OCTADECANAMIDE Octadecannamide OCTADECANOAMIDE N-OCTADECANAMIDE STEAROYLAMIDE STEARINAMIDE OCTADECANOICACIDAMIDE Stearamid AMD-18 CHaMide S Stearic acid amide latex LutaMide SR OctadecanaMide technical grade, 85% Aqueous Dispersion of stearamide Stearamide > Octadecanamide ISO 9001:2015 REACH Stearamide Sunamide SR Stearamide,0.85 stearamide CAS No 124-26-5 stearamide 124-26-5 NSC 66462 NSC66462 NSC-66462 Octadecanarnide Fatty acid amide(Contains C16, C18 amides) Stearic acid amide|||NSC 66462|||NSC66462|||NSC-66462 Stearic amide (SA-1) C18amide AMIDE C18 Stearic acid amide Stearmide