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About This Item
Linear Formula:
(NH4)2SO3
CAS Number:
Molecular Weight:
116.14
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352302
MDL number:
InChI
1S/2H3N.H2O3S/c;;1-4(2)3/h2*1H3;(H2,1,2,3)
SMILES string
N.N.OS(O)=O
InChI key
PQUCIEFHOVEZAU-UHFFFAOYSA-N
grade
technical
concentration
34%, ~34% in H2O
Quality Level
Related Categories
General description
Ammonium sulfite is an ammonium salt of sulfurous acid and a byproduct of the flue gas desulfuration process by ammonia. Ammonium sulfite can be oxidized into ammonium sulfate, which can be used as a fertilizer.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
supp_hazards
Storage Class
10 - Combustible liquids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
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Hikoya Hayatsu et al.
Nucleic acids symposium series (2004), (53)(53), 217-218 (2009-09-15)
Bisulfite modification is a principal tool for analyzing DNA methylation, the methyl substitution at position 5 of cytosine residues. Hypermethylation is known to cause silencing of genes, which may result in cell function failures. DNA methylation analysis is therefore a
Oxidation of ammonium sulfite in aqueous solutions using ozone technology
Li Y, et al.
Journal of Physics. Conference Series, 418(1), 012130-012130 (2013)
Xiang-li Long et al.
Journal of hazardous materials, 129(1-3), 260-265 (2005-10-21)
A homogeneous catalyst system made up of [Co(NH3)6]2+/I- has been put forward to catalyze the oxidation of concentrated ammonium sulfite. The experiments were performed in a packed column with sulfite concentrations above 2.5 mol l(-1), temperature range 20-65 degrees C
J H Seok et al.
Environmental technology, 24(1), 31-42 (2003-03-19)
A series of bench-scale nitrification/denitrification tests were carried out with both suspended growth and hybrid bioreactors. The hybrid reactor was filled with plastic (polyethylene) media to evaluate the effects of biofilm. Two types of reactor configurations were tested; 4-compartment and
Contact dermatitis due to ammonium bisulfite in a bleaching cream.
M Pambor
Contact dermatitis, 35(1), 48-49 (1996-07-01)
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