methylenebis(thioacetic acid)

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Names

[ CAS No. ]:
2068-24-8

[ Name ]:
methylenebis(thioacetic acid)

[Synonym ]:
methane-1,1-bis-mercaptoacetic acid
Formaldehydmercaptalessigsaeure
EINECS 218-189-5
MFCD00021766
2-({[(carboxymethyl)thio]methyl}thio)acetic acid
Acetic acid,2,2'-(methylenebis(thio))bis
Methylenebisthioglycolic acid
Acetic acid,(methylenedithio)di
Methylenedithiodiacetic acid
methylene bis thio acetic acid
3,5-dithia-heptanedioic acid

Chemical & Physical Properties

[ Density]:
1.53g/cm3

[ Boiling Point ]:
428.1ºC at 760mmHg

[ Melting Point ]:
125 °C

[ Molecular Formula ]:
C₅H₈O₄S₂

[ Molecular Weight ]:
196.24500

[ Flash Point ]:
212.7ºC

[ Exact Mass ]:
195.98600

[ PSA ]:
125.20000

[ LogP ]:
0.57950

[ Vapour Pressure ]:
1.58E-08mmHg at 25°C

MSDS

Click to get detail MSDS

Safety Information

[ Risk Phrases ]:
36/37/38

[ Safety Phrases ]:
S26-S37

[ HS Code ]:
2930909090

Synthetic Route

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Precursor & DownStream

Precursor

DownStream

Acetic acid,2,2'-[methylenebis(sulfonyl)]bis-, diethyl ester (9CI)
(METHYLTHIO)ACETICACID
Mercaptoacetic acid
methyl 2-(methoxycarbonylmethylsulfonylmethylsulfonyl)acetate
methyl 2-[(2-methoxy-2-oxoethyl)sulfanylmethylsulfanyl]acetate
ethyl 2-[(2-ethoxy-2-oxoethyl)sulfanylmethylsulfanyl]acetate

Customs

[ HS Code ]: 2930909090

[ Summary ]:
2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%