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123-81-9

Name Glycol dimercaptoacetate
CAS 123-81-9
EINECS(EC#) 204-653-4
Molecular Formula C4H8O3S2
MDL Number MFCD00004875
Molecular Weight 168.23
MOL File 123-81-9.mol
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Chemical Properties

Appearance clear liquid
Boiling point  137-139 °C2 mm Hg(lit.)
density  1.313 g/mL at 25 °C(lit.)
vapor pressure  0.62Pa at 25℃
refractive index  n20/D 1.522(lit.)
Fp  >230 °F
storage temp.  Store below +30°C.
solubility  20g/l
form  clear liquid
pka 7.51±0.10(Predicted)
color  Colorless to Almost colorless
Specific Gravity 1.33 (20℃)
Water Solubility  20 g/L (20 ºC)
LogP 1.46 at 20℃
Uses
Crosslinking agent for rubbers, accelerator in curing epoxy resins.
CAS DataBase Reference 123-81-9(CAS DataBase Reference)
NIST Chemistry Reference Acetic acid, mercapto-, 1,2-ethanediyl ester(123-81-9)
EPA Substance Registry System 123-81-9(EPA Substance)

Safety Data

Hazard Codes  Xn,N
Risk Statements 
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R36/38:Irritating to eyes and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S57:Use appropriate container to avoid environmental contamination .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S29:Do not empty into drains .
RIDADR  2810
WGK Germany  2
RTECS  AI6600000
HazardClass  6.1(b)
PackingGroup  III
HS Code  29309070
Toxicity
LD50 orally in Rabbit: 330 mg/kg

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