Ⅰ . Chemical name: N, N-Dimethyl octadecyl amine ( DMA18 )
Ⅱ . Chemical structural formula: C18H37N(CH3)2
Ⅲ . Properties: colorless or slight yellow liquid or solid; soluble in benzene, cyclohexane, e ther, acetone, methanol, ethanol, insolubl e in water. Average molecular weight 282.8, specific weight 0.8039, refractive index 1.4407, boiling range 150-200 ℃ /10-20mmHg.freezing point 27 ℃ . Ⅳ . Quality standard:
|
Properties
|
Appearance （25℃）
|
Color/Hazen
|
Amine content/%
|
Total amine value/(mgKOH/g)
|
Primary+secondary amine/%
|
Free alcohol/%
|
Primary component %
|
||||
|
Index
|
18DMA
|
C 8
|
C 10
|
C8 +C10
|
C12
|
||||||
|
Pure-grade
|
Colorless Technical grade transparent liquid
|
≤20
|
≥98
|
183-189
|
≤0.3
|
≤0.6
|
-
|
-
|
-
|
≥97
|
|
|
T echnical grade
|
Colorless Technical grade transparent liquid
|
≤30
|
≥97
|
183-189
|
≤0.7
|
≤0.8
|
-
|
-
|
-
|
≥95
|
|
Ⅴ . Uses: intermediate of cationic surfactant quaternary ammonium salt & amphiprotic surfactant; used for making textile softener, leveling agent, anti-static agent, anti-septic agent, fuel oil additive, sterilization algaecide, extractant of uranium and rare metal, pigment abrasives.
Ⅵ . Package and storage: Net weight 160 kg/galvanized metal drum, or packed as per customer's request; store in cool, dry place, avoid strong acid, keep away from heat and fire source.