Product Data
Rev.No.14/3002
Print date 25-Apr-2016
PURASAL® S
Description
Specification
Assay
Visual sensory
characteristics
Identification
Purity
Physical-chemicalproperties
Regulatory / Registration
PURASAL S is the sodium salt of natural L-Lactic acid, produced by fermentation of sugar. It has a
mild saline taste, antimicrobial properties and is neutral by pH. PURASAL S is the ultra pure food
grade L-sodium lactate.
Product
L-sodium lactate
Assay
Assay sodium
Stereochemical purity (S)-enantiomer
58.8-61.2 % (w/w)
12.1-12.6 % (w/w)
min. 97 %
Clarity of solution
Color fresh
Form
clear
max. 25 Apha
syrupy liquid
Color reaction with catechol
Density (20 °C)
Positive test for lactate
Positive test for sodium
Solubility
Test after ignition
passes test
1.32-1.34 g/ml
passes test
passes test
miscible with water
passes test
Acidity, as lactic acid
Arsenic (as As)
Cyanide
Heavy metals total
Iron
Lead
Mercury
Citrate, oxalate, phosphate, tartrate
Reducing substances
Sugars
Methanol / methylesters (as methanol)
Chlorides
Sulfates
Volatile fatty acids
pH direct
pH 1 + 5 (% v/v)
pH 20% (v/v)
max. 0.3 % (w/w)
max. 1.5 ppm
max. 0.3 ppm
max. 5 ppm
max. 10 ppm
max. 2 ppm
max. 1 ppm
passes test
passes test
passes test
max. 50 ppm
max. 50 ppm
max. 20 ppm
passes test
7.8-8.3
6.5-7.5
6.5-7.5
Molecular formula
Molecular weight
Chemical name
CH CHOHCOONa
112 (anhydrous)
Sodium-L-2-hydroxypropanoate
CAS number
EEC Additive number
INS
GRAS status
Complies with
867-56-1 (general 72-17-3)
E325 Sodium lactate
325 Sodium lactate
21CFR184.1768
FCC, 231/2012/EC, JSFA, JECFA
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