(NH4)2FE(SO4)2.6H2O

M = 392.14 g/mol

Specification :

Assay

[(NH4)2FE(SO4)2.6H2O]           >    99 %

CHLORIDE(CI)                             >   0.002 %

IRON (Fe+3)                                  <   0.02   %

Copper (Cu)                                   <  0.002  %

Substance not precipitated by

ammonia (as sulfates)                 <  0.1      %

CASR No. : [7553 – 56 – 2]
EC-No. : 231-442-4
HS-No. : 2801 20 00
RTECSNN1575000
Poison class  : CH ) 2
Max. Allowable Concentration ( MAK ), Air : 1.1 mg / m3
LD 50 oral rat : 14 mg / kg
Packing category       : G
Road / Rail6.1 / 67 b
IMDG-Code61 / II UN 3290
IATA / DGR6.1 8 II UN 3290 CAO 615
PAX 613
Merck-Index10, 4881
Mol.  Formula : I2
Mol. Weight253.81
Specific Density, 20 0C4.93 g / cm3
Bulk Density~ 2100 kg / m3
Melting Range114 0C
Boiling Point185  0C
Vapour Pressure, 25 0C0.41 hPa
Solubility in H2O, 20 0C29 mg  per 100 ml
pH value ( saturated solution, H2O, 20 0C )~ 5.4
Atmospheric Susceptibilityslow sublimation