grade
purum
assay
≥99% (alkalimetric)
impurities
≤0.002% heavy metals (as Pb)
ign. residue
≤0.2% (as SO4)
loss
≤0.2% loss on drying, 105 °C
mp
>280 °C (dec.) (lit.)
density
1.77 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤50 mg/kg, nitrate (NO3-): ≤50 mg/kg
cation traces
Fe: ≤30 mg/kg
SMILES string
N.N.OS(O)(=O)=O
InChI
1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
InChI key
BFNBIHQBYMNNAN-UHFFFAOYSA-N
Other Notes
A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.
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存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)