8.08625
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:
Molecular Weight:
150.15
UNSPSC Code:
12352106
EC Index Number:
204-663-9
NACRES:
NA.22
MDL number:
Assay:
≥99.0% (acidimetric)
Quality Level
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
SMILES string
S(CC(=O)O)CC(=O)O
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
Analysis Note
Assay (acidimetric): ≥ 99.0 %
Melting range (lower value): ≥ 128 °C
Melting range (upper value): ≤ 131 °C
Identity (IR): passes test
Melting range (lower value): ≥ 128 °C
Melting range (upper value): ≤ 131 °C
Identity (IR): passes test
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Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
8A - Combustible, corrosive hazardous materials
wgk
WGK 2
Certificates of Analysis (COA)
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