Thiourea 99%, A.R | NH2.CS.NH2, 250 Gram

THIOUREA 99%, A.R | NH2.CS.NH2, 250 Gram

Masking and colorimetric reagent for various metal ions precipitation reagent for lead,cadmium, selenium and tellurium. Sulfourea; Thiocarbamide

Purity : 99%
CAS No. : 62-56-6
Molecular Formula : NH2.CS.NH2
Molecular Weight : 76.12
H.S.Code : 2930.90100
Shelf Life : 60 Months

Physical Properties
Physical state at 20 C : Solid
Colour : White crystalline
Odour : Odourless
pH value : 5 - 7
Melting point/ Freezing point [C] : 170 - 176 C
Density [g/cm3] : 1.045
Solubility in water [% weight] : 137 g/l at 20 C
Partition coefficient Log Pow octanol / water at 20C : -0.92

Specification
Appearance : White crystalline powder
Assay : Min 99%
Melting point : 174 - 178 deg C
Insoluble matter in water : Max 0.005%
Sulphated ash : Max 0.05%
Sulphate (SO4) : Max 0.01%
Iron (Fe) : Max 0.0005%
Loss on drying (at 105C) : Max 0.5%
Sensitivity for Bismuth : Passes test

Note :
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