67146-22-9

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67146-22-9 Structure

Identification	More
[Name] 5-Mercapto-1H-tetrazole-1-methane sulphonic acid
[CAS] 67146-22-9
[Synonyms] 5-MERCAPTO-1,2,3,4-TETRAZOLE-1-METHYL SULFONIC ACID 5-MERCAPTO-1H-TETRAZOLE-1-METHANESULFONIC ACID 5-MERCAPTO-1H-TETRAZOLE-1-METHANE SULPHONIC ACID 5-MERCAPTOTETRAZOLE-1-METHANESULPHONIC ACID SMT 5-Mercaptotetrazolemethanesulfonicacid 2,5-dihydro-5-thioxo-1H-tetrazole-1-methanesulphonic acid 2,5-dihydro-5-thio-1H-tetrazole-1-methane sulfonic acid 5-mercaptotrtrazolemethane sulfonic acid 5-mercapto-1,2,3,4-tetrazole-1-methyl sulfoni acid disodium salt Commodity:SMT-D 5-MERCAPTO-1,2,3,4-TETRAZOLE-1-METHYL SULFONIC ACID (SMT) 5-MERCAPTO-1,2,3,4-TETRAZOLE-1-METHANESULFONIC ACID 5-MERCAPTOTETRAZOLEMETHANE SULFONEIC ACID 5-Mercapto-1,2,3,4-tetrazole-1 5-mercapto-1,2,3,4-tetrazole-1-methyl sulfoni acid disodium salt 5-Mercaptotetrazole-1-methanesulfonic acid 2,5-Dihydro-5-thioxo-1H-tetrazole-1-methanesulfonic acid
[EINECS(EC#)] 266-586-7
[Molecular Formula] C2H4N4O3S2
[MDL Number] MFCD00129974
[Molecular Weight] 196.21
[MOL File] 67146-22-9.mol

Chemical Properties	Back Directory
[Melting point ] 155-158 °C(lit.)
[density ] 2.24±0.1 g/cm3(Predicted)
[pka] -2.41±0.50(Predicted)
[CAS DataBase Reference] 67146-22-9(CAS DataBase Reference)

Safety Data	Back Directory
[Hazard Codes ] Xi
[Risk Statements ] R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ] S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36:Wear suitable protective clothing .
[WGK Germany ] 3

Raw materials And Preparation Products	Back Directory
[Raw materials] Iodomethane-->Sodium azide-->Aminomethanesulfonic acid

Hazard Information	Back Directory
[Uses] Used as Intermediate of cefoxicil.
[Synthesis] 5-Mercapto-1H-tetrazole-1-methane sulphonic acid was aynthesized by addition reaction,S-methylation and ring-closing reaction of sulfamic acid.

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