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Octadecanamide

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Name

Octadecanamide

EINECS 204-693-2
CAS No. 124-26-5 Density 0.868 g/cm3
PSA 43.09000 LogP 6.43350
Solubility 102μg/L at 20℃ Melting Point 98-102 °C(lit.)
Formula C18H37NO Boiling Point 408.2 °C at 760 mmHg
Molecular Weight 283.498 Flash Point 207.5 °C
Transport Information N/A Appearance light yellow granules
Safety 24/25 Risk Codes N/A
Molecular Structure Molecular Structure of 124-26-5 (Octadecanamide) Hazard Symbols N/A
Synonyms

Stearamide(6CI,7CI,8CI);Adogen 42;Advawax 290;Alflow S 10;Amide AP;Amide S;Amide S (binder);Amide T;Armid 18;Armoslip 18LF;Atmer SA 1750;Crodamide S;Crodamide SR;Diamid AP 1;EBF;Fatty Amide S;Fatty Amide T;G 270;Hidorin F792;Hidorin M 7;Hymicron G 270;Hymicron L 271;Kao Fatty Amide S;KawaslipVL;Kemamide S;L 271;Lutamide S;NSC 66462;Neutron 2;Neutron 2S;Selosol 2M;Stearic acid amide;Stearic amide;Stearoylamide;Stearoylamine;Stearylamide;Uniwax 1750;Stearamide;

Article Data 54

Octadecanamide Synthetic route

57-11-4

stearic acid

124-26-5

stearamide

Conditions
ConditionsYield
With titanium(IV) isopropylate; ammonia at 165℃; for 7h; Reagent/catalyst; Temperature; Large scale;98.4%
With ammonium bicarbonate; formamide for 0.15h; Irradiation;82%
Stage #1: stearic acid With 1,1'-carbonyldiimidazole In dichloromethane at 20℃; for 0.5h;
Stage #2: With ammonia In dichloromethane for 12h;
23%
120158-01-2

Octadecanoyl-carbamic acid tert-butyl ester

124-26-5

stearamide

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane for 1h; Ambient temperature;97%
77165-65-2

octadecanoyl azide

124-26-5

stearamide

Conditions
ConditionsYield
With zinc(II) tetrahydroborate In 1,2-dimethoxyethane for 0.5h; Ambient temperature;95%
638-65-3

stearonitrile

124-26-5

stearamide

Conditions
ConditionsYield
With N-ethyl-N-hydroxy-ethanamine; water at 100℃; for 5h;90%
With sodium hydroxide; poly(ethylene glycol)-400 for 0.0166667h; microwave irradiation;78%
(i) HCl, SnCl2, Et2O, (ii) H2O; Multistep reaction;
124-30-1

1-aminooctadecane

124-26-5

stearamide

Conditions
ConditionsYield
With fluorenone imine; oxygen In toluene for 60h; Reflux;51%
111-61-5

stearic acid ethyl ester

124-26-5

stearamide

Conditions
ConditionsYield
With ammonia; water at 180℃;

2-hexadecyl-malonamic acid

124-26-5

stearamide

Conditions
ConditionsYield
at 130 - 150℃;

2-hexadecyl-malonamic acid

A

15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

B

124-26-5

stearamide

Conditions
ConditionsYield
at 130 - 150℃;
102899-77-4

(stearoylamino-methylsulfanyl)-acetic acid

124-26-5

stearamide

Conditions
ConditionsYield
at 180 - 190℃;

Octadecanamide Chemical Properties

EINECS: 204-693-2
Molecular Formula: C18H37NO
Molecular Weight: 283.49 
Nominal Mass: 283 Da
Average Mass: 283.4925 Da
Monoisotopic Mass: 283.287515 Da 
Index of Refraction: 1.457
Molar Refractivity: 89 cm3
Molar Volume: 326.4 cm3
Surface Tension: 32.9 dyne/cm
Density: 0.868 g/cm3
Flash Point: 207.5 °C
Enthalpy of Vaporization: 66.02 kJ/mol
Boiling Point: 408.2 °C at 760 mmHg
Vapour Pressure: 7.11E-07 mmHg at 25 °C
Melting Point: 98-102 °C(lit.)
Appearance: Light yellow granules
Structure of Octadecanamide (CAS NO.124-26-5):
                                    
IUPAC Name: Octadecanamide
Canonical SMILES: CCCCCCCCCCCCCCCCCC(=O)N
InChI: 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
Product Category of Octadecanamide (CAS NO.124-26-5): Color Former & Related Compounds;Functional Materials;Sensitizer

Octadecanamide Uses

 Octadecanamide (CAS NO.124-26-5) is commonly used as smoothness agent and release agent for PVC, polyolefin, polystyrene and other plastics.

Octadecanamide Toxicity Data With Reference

 Octadecanamide (CAS NO.124-26-5) hasn't been listed as a carcinogen by NTP, IARC, ACGIH, or CA Prop 65. You can see actual entry in RTECS for complete information. The toxicological properties have not been fully investigated.

Octadecanamide Consensus Reports

Reported in EPA TSCA Inventory.

Octadecanamide Safety Profile

Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of NOx.
Safety Statements: 22-24/25 
S22:Do not breathe dust. 
S24/25:Avoid contact with skin and eyes.
WGK Germany: 1

Octadecanamide Specification

 Octadecanamide , its cas register number is 124-26-5. It also can be called Stearamide ; Kemamide S ; and Stearylamide .It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. While, it's inhaled: Remove from exposure and move to fresh air immediately. Then you have the ingesting of the product : Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
In addition,  Octadecanamide (CAS NO.124-26-5) is not compatible with strong oxidizing agents, strong acids, and you must not take it with incompatible materials. It should be exposured to moist air or water. And also prevent it to broken down into hazardous decomposition products: Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen.

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