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Basic information
CAS
21668-81-5
EINECS
244-520-8
Molecular Formula
C4H10N2O3S2
Molecular Weight
198.2638
English Name
3-(amidinothio)-1-propanesulfonic acid
Synonyms
UPS, 3-S-Isothiuronium propane sulfonate, 3-[(AMINO-IMINOMETHYL)-THIO]-1-PROPANESULFONIC ACID, 3-S-Isothiuronium propyl sulfonate, 3-[(aminoiminomethyl)thio]-1-propanesulfonicaci, 3-[(aminoiminomethyl)thio]propanesulphonic acid, UpsElectrolessPlating3-S-IsothiuroniumPropylsulfonate, 3-(carbamimidoylsulfanyl)propane-1-sulfonic acid

Physical and Chemical Properties
Density
1.61g/cm3
Refractive index
1.623
Melting point
254-256℃

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