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CAS 683-10-3 Dodecyl Dimethyl Betaine (BS-12)
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CAS 683-10-3 Dodecyl Dimethyl Betaine (BS-12)

Chemical name: Dodecyl Dimethyl Betaine (BS-12)
Other name: Laury dimethylaminoacetic acid betaine (Carboxylatomethyl)dodecyldimethylammonium
Molecular formula: C16H33NO2
Molecular weight: 271.44
CAS number: 683-10-3
EINECS No.: 211-669-5
Availability:
Quantity:
  • 683-10-3


>> Product Introduce

Dodecyl (Lauryl) Dimethyl Betaine (BS-12, CAS 683-10-3) is a high-performance zwitterionic (amphoteric) surfactant, produced by the quaternization of lauryl dimethylamine with sodium chloroacetate. It is supplied as a colorless to pale yellow, clear viscous liquid (standard grade 30 % active matter), readily soluble in water and stable over a wide pH range.

The molecule carries both a quaternary ammonium cation and a carboxylate anion, which gives it a pH-responsive character: it behaves cationically in acidic media and anionically in alkaline media, so it stays effective from mildly acidic through alkaline formulations. Key benefits include excellent foaming and foam stabilization, a pronounced thickening response in combination with anionic surfactants, hard-water tolerance, low skin and eye irritation, and ready biodegradability. It is compatible with anionic, cationic and non-ionic surfactants, and shows good stability in both acidic and alkaline systems, making it suitable for mild, high-foam and high-electrolyte formulations alike.


>> Main Uses

  • Personal care products: a core ingredient in shampoo, body wash, facial cleanser, hand soap and baby care products. Acting as foam booster and viscosity builder, it reduces the irritation potential of primary anionic surfactants such as sodium lauryl sulfate (SLS) and sodium laureth sulfate (SLES), while improving foam quality, foam stability and after-feel.

  • Detergents: dishwashing liquids, household and industrial & institutional cleaners, and mild laundry formulations such as baby-clothing detergents, where low irritation, good lime-soap dispersancy and hard-water tolerance are required.

  • Oilfield chemicals: bactericide against sulfate-reducing bacteria (SRB) and saprophytic bacteria in injection and produced water systems; corrosion inhibitor for pipelines and downhole equipment; and wetting agent for acidizing and drilling fluids.

  • Textile & leather: softener, antistatic agent and leveling agent for dyeing and printing.

  • Other fields: emulsifier for rubber latex and emulsion polymerization; antistatic agent for plastics and fibers; wetting and penetrating agent in agrochemical formulations; and metal cleaning with corrosion protection.


>> Technical Specifications

Items

Prescription

Active Matter

30 ± 2%

Appearance 25℃

Pale yellow to colorless transparent liquid
Concentration 30%

Free amine +HCL amine

≤1%

PH(1% aqueous solution)

4.0~8.0

Color(APHA) <100


>> Package and Storage Conditions

  • Packaged in lBC tanks or blue plastic drums.

  • Store in a sealed container in a cool, dry place.

  • Keep away from fire sources and oxidants.

  • Avoid high temperatures and humid environments to prevent caking due tomoisture absorption.


Shanghai Shanli Jinghe Chemical Co., Ltd.

Surfactants & Specialty Chemicals
Manufacturing · Supply · International Trade

 

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