2,3-Dimercapto-1-propanesulfonic acid sodium salt

Post Date:
Jun 15,2015
Expiry Date:
Jun 14,2016
Detailed Description:
Cas No. :4076-02-2 Appearance
White or off-white crystalline powder,
tasteless, with onion-like odor and moistureregain
Complies
Solubility
Readily soluble in water, insoluble in ethanol,chloroform and ethyl ester.
Complies
Identification
Should comply with the requirements
Complies
Solution color
≤Brown 1#
Complies
Clarity of Solution
≤1#
Complies
pH
3.5 to 5.0
4.4
Loss on drying
≤1.0％
0.21％
Alcohol
≤0.1％
0.007％
Heavy Metal
≤10ppm
Complies
Related substance
≤5.0%
Complies
Fe
≤50ppm
Complies
Count of bacteria
Bacillus<1000 Entries/g
Complies
Mildew<100 Entries/g
Microzyme <100 Entries/g
Residue on ignition
32.5% to 34.5%
34.4%
Assay
≥98.0％
98.5％
CAS Registry Number:
4076-02-2
Synonyms:
;DMPS; Dimaval; Unithiol; Sodium 2,3-dimercaptopropane sulfonate; 2,3-Dimercaptopropane sulfonic acid sodium salt; DL-2,3-Dimercapto-1-propanesulfonic acid,sodium salt monohydrate;2,3-Dimercaptopropanesulfonic acid sodium salt;sodium 2,3-disulfanylpropane-1-sulfonate;
Molecular Formula:
C₃H₇NaO₃S₃
Molecular Weight:
210.2706
Molecular Structure:
Safety Description:
S24/25:;

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