Sodium Lauryl Sulfate Plant / K12

Application Field

Application Description

Daily Use Field

As a surfactant, used in shampoos, body washes, hand soaps, and other cleaning products to generate foam and cleanse skin and hair.

Medical Field

Used in the preparation of oral cleansers, pharmaceutical solutions, and other products.

Chemical Field

Used in the synthesis of other surfactants, emulsifiers, and other chemical products.

Food Field

Can be used as a food additive, thickener, for preparing foamed food products.

Parameter Range

QB/T 2900

GB/T 15963

CP

BP

EP

Appearance (25°C)

1、White to slightly yellow powder

2、White to slightly yellow needle-shaped

3、White to slightly yellow transparent liquid

1、White to slightly yellow powder

2、White to slightly yellow needle-shaped

3、White to slightly yellow transparent liquid

White or pale yellow powder or crystals, with characteristic slight odor

White or pale yellow powder or crystals

White or pale yellow powder or crystals

Active Content, %

1、Powder: ≥92

2、Needle-shaped: ≥90

3、Liquid: ≥28

1、Powder: ≥94

2、Needle-shaped: ≥92

3、Liquid: Indicator value ∓1

≥85

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Moisture, %

1、Powder ≤3.0

2、Needle-shaped ≤5.0

1、Powder ≤3.0

2、Needle-shaped ≤5.0

3、Liquid powder ≤5.0

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pHValue (1% Aqueous Solution)

1、Powder, Needle-shaped 6.5-10.5

2、Liquid: 7.5-10.5

7.5-12.5 (1.5% Aqueous Solution)

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Whiteness, WG

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Powder: ≥80

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Sulfate Content, %

≤1.5

Powder, Needle-shaped ≤2.0

Liquid ≤1.0

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Sodium Chloride Content, %

Powder, Needle-shaped ≤2.5

Liquid ≤1.0

Powder, Needle-shaped ≤0.5

Liquid ≤0.3

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Inorganic Salts (Na2SO4+NaCl), %

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≤8.0

≤8.0

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Petroleum Ether Soluble Content, %

≤1.5

Powder, Needle-shaped ≤1.0

Liquid ≤1.5

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Foaming Volume, mm

≥135

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Color, HAZEN

Liquid ≤25

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Free Alkali, %

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≤0.5

≤0.5

≤0.5

Heavy Metal Content (Pb), mg/kg

≤15

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≤20

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≤20

Lead Content (As), mg/kg

≤10

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Arsenic Content (As), mg/kg

≤3.0

≤1.0

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Total Bacterial Count, cfu/g

≤100

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Mold and Yeast CFU/g

≤100

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Fecal Coliforms, per/g

Not detected

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Pseudomonas aeruginosa/g

Not detected

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Staphylococcus aureus/g

Not detected

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Alkalinity

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≤0.5mL (0.1M HCl)

≤0.5mL (0.1M HCl)

Unesterified Alcohol, %

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≤4.0

≤4.0

Loss on Drying, %

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≤5.0