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Thiodiglycolic acid Structure

Thiodiglycolic acid

Chemical Properties

Melting point 128-131 °C(lit.)
Boiling point 241.69°C (rough estimate)
Density  1.352 (estimate)
refractive index  1.5500 (estimate)
storage temp.  Store below +30°C.
solubility  400g/l
form  Crystalline Powder
pka pK1:3.32;pK2:4.29 (25°C)
color  White to grayish
PH 2.2 (10g/l, H2O, 20℃)
Water Solubility  soluble
Sensitive  Stench
Merck  14,9331
BRN  1764392
LogP -0.780 (est)
CAS DataBase Reference 123-93-3(CAS DataBase Reference)
EPA Substance Registry System Acetic acid, 2,2'-thiobis- (123-93-3)

Safety Information

Hazard Codes  C
Risk Statements  36/37/38-34
Safety Statements  26-36/37/39-45
RIDADR  UN 3261 8/PG 2
WGK Germany  3
RTECS  AJ6475000
13
Autoignition Temperature 350 °C
Hazard Note  Corrosive/Stench
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29309070
Hazardous Substances Data 123-93-3(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 2000 mg/kg

MSDS

Usage And Synthesis

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