Kemsurf DSA
Product Category: Anionics
Sodium Lauryl Sulphate (Sodium Lauryl Sulfate)
Kemsurf DSA is fatty alcohol sulphate neutralised as a sodium salt. This product offers good detergency and wetting and is mainly used in cosmetic and toiletry applications. This product is compatible with other anionic and nonionic surfactants. However, as with other products of this chemical type, they tend to hydrolyse in acidic environments.
Synonym: SDS, SLS, Sodium dodecyl sulfate, Lauryl sodium sulfate
Manufactured using natural C12-14 alcohol which is sulphated and then neutralised to form a sodium salt.
Key Properties
- Wetting draves 0.5g/l: classed as medium to high wetting power
- Stability - unstable in acidic conditions
- Excellent foaming and stability
Applications
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Carpet cleaners
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Detergent applications
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Emulsifier for fats
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Wetting agent in textiles
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Dye retarder when amine groups on the fabric
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Shampoo formulations
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Emulsion Polymerisation (especially Vinyl Chloride, Styrene Butadiene, Acrylics)
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Wetting agent in paints and coatings
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Electrophoretic separation of protein and lipids
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Dispersant in creams and lotions
Specification
Appearance at 25°C
Pale yellow liquid
SAM % (equivalent weight 296)
27.0 - 30.0
pH (5% aqueous)
7.0 - 9.0
Typical Properties
Composition
Sodium lauryl sulphate
EINECS
271-557-1
Specific gravity at 20°C
1.041
Flash point closed cup °C
>100
CAS number
68585-47-7
Activity %
28
Solubility in water
Soluble
Surface tension at 0.1% aqueous (mN/m)
>100
Odour
Characteristic
Viscosity at 25°C (cP)
50
Pour point °C
20
Biodegradability
Readily biodegradable