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Key Documents

8.08625

Sigma-Aldrich

2,2′-Thiodiacetic acid

for synthesis

Synonym(s):

2,2′-Thiodiacetic acid, Thiodiglycollic acid, Bis(carboxymethyl)sulfide

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About This Item

Linear Formula:
S(CH2COOH)2
CAS Number:
123-93-3
Molecular Weight:
150.15
MDL number:
MFCD00004359
UNSPSC Code:
12352106
EC Index Number:
204-663-9
NACRES:
NA.22

Quality Level

200

assay

≥99.0% (acidimetric)

autoignition temp.

350 °C

potency

>2000 mg/kg LD50, oral (Rat)

pH

2.2 (20 °C, 10 g/L in H2O)

mp

128-131 °C

solubility

400 g/L

storage temp.

2-30°C

InChI

1S/C4H6O4S/c5-3(6)1-9-2-4(7)8/h1-2H2,(H,5,6)(H,7,8)

InChI key

UVZICZIVKIMRNE-UHFFFAOYSA-N

Related Categories

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Melting range (lower value): ≥ 128 °C
Melting range (upper value): ≤ 131 °C
Identity (IR): passes test

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 2

Certificates of Analysis (COA)

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