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Merck

88652

Thioglycolic acid solution

~80% in H2O, for spectrophotometric det. of palladium, iron, uranium(VI), molybdates and nitrites

Synonym(s):

Mercaptoacetic acid

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About This Item

Linear Formula:
HSCH2COOH
CAS Number:
68-11-1
Molecular Weight:
92.12
UNSPSC Code:
23151817
NACRES:
NA.21
PubChem Substance ID:
329769667
MDL number:
MFCD00004876
Beilstein/REAXYS Number:
506166

Product Name

Thioglycolic acid solution, ~80% in H2O, for spectrophotometric det. of palladium, iron, uranium(VI), molybdates and nitrites

InChI

1S/C2H4O2S/c3-2(4)1-5/h5H,1H2,(H,3,4)

SMILES string

OC(=O)CS

InChI key

CWERGRDVMFNCDR-UHFFFAOYSA-N

form

liquid

quality

for spectrophotometric det. of palladium, iron, uranium(VI), molybdates and nitrites

concentration

~80% in H2O

technique(s)

UV/Vis spectroscopy: suitable

refractive index

n20/D 1.471

density

1.265 g/mL at 20 °C

Quality Level

100

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Application

Mercaptoacetic acid has been used as a stabilizer for preparation of silver colloids, in a UV-vis spectroscopy study to establish stable and highly surface-enhanced Raman spectroscopy (SERS)-active silver colloids.

General description

Thioglycolic acid is an organic colourless compound with thiol and carboxylic acid as functional group. It is mainly used to make depilatories. It is considered to be corrosive to metals and tissues.

Other Notes

Reagent for the extraction and spectrophotometric determination of various transition metals, e.g. Pd; W; Mo; Ti

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1 - Skin Sens. 1

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

266.0 °F - closed cup

flash_point_c

130 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB4488
STBL1527
STBK9116
STBK6548
STBK4449

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S Banerjee
Talanta, 33(4), 360-362 (1986-04-01)
A sensitive spectrophotometric method for the determination of titanium by formation of its complex with tannin and thioglycollic acid at pH 4 has been developed. The intense yellow colour is measured at 400 nm and the system obeys Beer's law
Mercaptoacetic acid-capped silver nanoparticles colloid: formation, morphology, and SERS activity.
Li, Xiaoling, et al.
Langmuir, 19.10, 4285-4290 (2003)
S.P. Rao et al.
Indian J. Chem. A, 20, 639-639 (1981)
G. Wunsch et al.
Fresenius Journal of Analytical Chemistry, 295, 119-119 (1979)
A. Diamantatos
Analytica Chimica Acta, 61, 233-233 (1972)
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