Lauryl Dimethyl Betaine (BS-12)
Synonyms: Lauryl Betaine, BS-12, Laury dimethylaminoacetic acid betaine.
CAS No.: 683-10-3, EINECS No.: 211-669-5
Structural formula: C12H25N+(CH3)2CH2COO-
Molecular Weight: 271.44
Density: 1.03
pH value: 6.5-7.5
Ionicity: Amphoteric surfactant.
Lauryl Dimethyl Betaine (BS-12) shows cationic surfactant performance in acidic condition, while it shows anionic surfactant performance in alkaline condition.
Lauryl Dimethyl Betaine (BS-12) is produced by Dodecyl tertiary amine and chloroacetic acid direct reaction. It carbon chain is mixture of C12 and C14, though people always call it BS-12.
Specifications:
|
Items |
Standard Indicators |
Analysis Result |
|
Appearance (25℃) |
Clear liquid |
Clear liquid |
|
Color |
Colorless to light yellow |
Colorless to light yellow |
|
Odor |
Faint characteristic |
Faint characteristic |
|
Content，% |
36.0-40.0 |
38.0 |
|
Chloride content(NaCl)，% |
6.5-7.5 |
7.0 |
|
Active matter，% |
29.0-33.0 |
31.1 |
|
Total alkalinity，meq/g |
1.15-1.30 |
1.18 |
|
PH Value（25℃,5%Aqueous solution） |
6.0-8.0 |
7.1 |
|
Amine Valve(mgKOH/g) |
≤1.0 |
0.4 |
|
Monochloroacetic acid, ppm |
<100 |
32 |
|
Dichloroacetic acid, ppm |
<100 |
69 |
|
Total count plate， cfu/g |
<1 |
<1 |
Application:
Lauryl Dimethyl Betaine (BS-12) has superior foaming capability, it can make the hair soft, suitable for producing high grade shampoo which is non-irritation and has recuperate function.
Lauryl Dimethyl Betaine (BS-12) has good resistance to hard water, suitable for producing detergents for hard water application.
Lauryl Dimethyl Betaine (BS-12) can also be used as antibacterial agent, it can kill many types of germs including tubercule bacillus.
Lauryl Dimethyl Betaine (BS-12) is used to produce fiber softener, metal surface processing additives, antistatic etc.
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