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Merck
CN

21250

Calcium thioglycolate trihydrate

crystallized, ≥98.0% (RT)

Synonym(s):

Thioglycolic acid calcium salt

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About This Item

Linear Formula:
-SCH2COOCa+ · 3H2O
CAS Number:
Molecular Weight:
185.23
EC Number:
212-402-5
UNSPSC Code:
12352202
PubChem Substance ID:
Beilstein/REAXYS Number:
3755791
MDL number:
Assay:
≥98.0% (RT)
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InChI key

LXFGCHNAIROWHI-UHFFFAOYSA-L

InChI

1S/C2H4O2S.Ca.3H2O/c3-2(4)1-5;;;;/h5H,1H2,(H,3,4);;3*1H2/q;+2;;;/p-2

SMILES string

O.O.O.O=C1CS[Ca]O1

assay

≥98.0% (RT)

quality

crystallized

anion traces

chloride (Cl-): ≤1000 mg/kg, sulfate (SO42-): ≤200 mg/kg

cation traces

Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Na: ≤1000 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg

pictograms

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signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 1

Regulatory Information

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Na Xie et al.
Journal of pharmaceutical and biomedical analysis, 88, 509-512 (2013-11-05)
A new and simple method for the accurate determination of thioglycolic acid (TGA) in cosmetics was developed using capillary electrophoresis (CE) with diode array detection at 236nm. The CE separation was performed on an uncoated fused silica capillary with a

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