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Sodium Iodate

Industrial Usage: Chemical, Pharmaceutical
SODIUM  IODATE – Physical & Chemical Properties
HS-No. 28299030
CAS No. 7681-55-2
EC-No. 231-672-5
Road / Rail 5.1 27 b
IMDG Code 5.1 / II UN 1479
IATA / DGR 5.1 II UN 1479 CAO 511 PAX 508
Packing-cat L
Poison-class ( CH ) 3
Merck-Index 10,  8468
Bulk Density ~ 1150 kg/m3
Mol. Formula NaIO3
Mol. Weight 197.89
Specific Density, 20 0C 4.28 g / cm3
Melting Range decomposes
Solubility in H2O,20 0C 81 g per 100 ml
Thermal Decomposition at mp
pH value ( 9 g / 100 ml, H2O, 25 0C ) ~ 5.8
Atmospheric Susceptibility Absorbs moisture
Chemical Reaction Oxidizing, Corrosive
Relevant Risk, Safety & Disposal Aspects
Risk R 8 Contact with combustible matter at higher temperature may cause fire.
Safety S 17 Keep away from combustible material.
Disposal D 22 Should be rendered harmless by reduction with acidic Sodium thiosulphate solution.
Application, Storage & Packing
Application As a source for supplement of Iodine, as analytical reagent etc.
Storage Store in a well closed container.
Packing In 25 kg with double polythene bags inside HDPE Drum.
SODIUM IODATE  – LR
Description White fine crystalline powder
Assay ( iodometric, dry basis ) min. 99 %
Maximum Limits of Impurities
Loss on drying  ( 110 0C, 2 hours  ) 0.5 %
pH ( 5 % w/v in water ) 5.0 – 8.0
Bromate, bromide,chlorate & chloride (as Cl 0.02 %
Iodide ( I ) 0.005 %
Sulphate ( SO4 ) 0.005 %
Heavy metals ( as Pb ) 0.002 %
Iron ( Fe ) 0.001 %

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