Sodium Lactate

It mostly used in food production, medicine industry and cosmetics industry as a kind of perservative and acidity regulator.

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Introduction

Sodium lactate is the sodium salt of lactic acid. It is a humectant that is frequently used as a substitute for glycerin in lotions and creams, because not only is it a great humectant like glycerin but it has none of the stickiness associated with it.

Functions and Applications

Item	Unit	Standard value
Molecular weight	G/mol	112.1
Sodium lactate	%wt	60-70
Sodium	%wt	12.1-12.6
Stereochemical purity	%L(+)	≥97%
Density(@20°C)	G/ml	1.32-1.34
Chroma( fresh solution)	APHA	≤30
Ph ( fresh solution)	-	6.5-7.5
Odor	-	almost odorless
Taste	-	mild sourness
Heavy metals(as Pb)	ppm	≤10
Fe	ppm	≤10
Ca	ppm	≤10
Chloride	ppm	≤50
Sulfate	ppm	≤10
Cyanide	ppm	≤0.5
Pb	ppm	≤2
Hg	ppm	≤1
Reducing substances (sugar)	-	pass USP inspection
Citric acid/oxalic acid /tartaric acid /phosphoric acid	-	pass USP inspection
Methanol/methyl ester	ppm	≤250

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