Sodium Lauryl Sulfate (SLS)

■ Chemical Description

--Sodium lauryl sulfate (abbr. K12)

■ CAS No. 151-21-3

■ Molecular and Structural Formula C₁₂H₂₅NaSO₄

■ Characteristics

--Compatibility with anion and non-ionic; freely soluble in water

■ Specification

No	Tests	Specification
		Solid product						Liquid product
1	Appearance	White powder form			White needle form			Clear, light yellow Liquid
2	Active ingredient %	≥92	≥93	≥95	≥92	≥93	≥95	Total Solid matter(%) ≥28	Total Solid matter(%) ≥35
3	Petroleum ether soluble substances %	≤1.5	≤1.5	≤1.5	≤1.5	≤1.5	≤1.5	≤0.5	≤0.3
4	Inorganic salts(NaCl+Na2SO4) %	≤5.5	≤4.5	≤2.5	≤4.5	≤3.5	≤2.0	≤2.0	≤2.0
5	Water %	≤2.5	≤2.5	≤2.5	≤3.5	≤3.5	≤3.0	-	-
6	pH (1% aq. Solution 25℃)	7.5~9.5	7.5~9.5	7.5~9.5	7.5~9.5	7.5~9.5	7.5~9.5	7.5~9.5	7.5~9.5
7	Whiteness (WG)	≥90	≥90	≥90	≥90	≥90	≥90	-	-
8	Color   (Hazen, 5% a.m. solution)	-	-	-	-	-	-	≤50	≤50

■ Application

--Detergency: tooth paste, shampoo, cosmetic, detergent and so on;

--Construction: plasterboard, additive of concrete, coating and so on;

--Pharmaceutical: Medicine, pesticide and so on;

--Used in the area of leather, paper making, auxiliaries, fire fighting, mineral choosing and so on;

■ Packaging and Storage

--Packed in 200kg plastic drum or 20kg woven bag

--Stored in dry place at room temperature;

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