辅羧酶脱羧辅酶
Cocarboxylase tetrahydrate
Synonyms Thiaminium diphosphoric acid ester tetrahydrate
Formula Hill C12H18N4O7P2S * 4 H2O
At a glance
HS Code 2936 22 00 EC number 205-230-7
Molar mass 496.37 g/mol WGK 1 (slightly polluting
substance)
Storage class (VCI) 10-13 Other liquids and solids CAS number
68684-55-9
Ordering number Package Size
5.00111.5000 Plastic bottle 5 kg
Chemical and physical data
Formula Hill C12H18N4O7P2S * 4 H2O Solubility in water 55 g/l
(25 oC)
Melting point 220 - 225 oC (decomposition) Molar mass 496.37
g/mol
pH value 2.4 - 3.2 (100 g/l, H2O, 20 oC)
Safety information
WGK 1 (slightly polluting substance)
Storage and Transport
HS Code 2936 22 00 Storage class (VCI) 10-13 Other liquids
and solids
WGK 1 (slightly polluting substance)
Specification
Assay (HPLC, calc.on anhydrous substance) 96.0 - 101.0 %
Identity (IR-spectrum) passes test
pH-value (10 %; water) 2.4 - 3.2
Chloride (Cl) ? 0.01 %
Free phosphate (PO4) ? 1.0 %
He***y metals (as Pb) ? 0.001 %
As (Arsenic) ? 0.0003 %
Thiaminmonophosphoricacidester (HPLC) ? 1.5 %
Thiamin (HPLC) ? 0.1 %
Related substances (HPLC) ? 1.5 %
Water 14.0 - 16.5 %
Endotoxins < 12 I.U./g
Residual solvents (Ph. Eur./USP/ICH) class 3 ? 0.2 %
Other residual solvents (Ph. Eur./USP/ICH) excluded by
manufacturing process
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