Lactic Acid

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