Sodium Lauryl Sulfate;CAS 151-21-3

Item

Specification

Appearance

White or pale yellow powder or crystal

Solubility

Freely soluble in water giving an opalescent solution, partly soluble in ethanol (96%)

Identification

Chemical reaction: A copious foam is formed.

Chemical reaction: An intense blue color develops in the methylene chloride layer.

Chemical reaction: A white, crystalline precipitates is formed.

Chemical reaction: A white precipitate is produced

Alkalinity

≤0.5ml of 0.1M hydrochloric acid is required to change the color of the indicator.

Non-esterified alcohols

≤4.0%

Sodium chloride and sodium sulfate

≤8.0% for the total percentage content

Microbial limit

TAMC: NMT 1000cfu/g

TYMC: NMT 100cfu/g

Absence of Escherichia coli

Purity

≥ 85.0%, expressed as C₁₂H₂₅NaO₄S