Skip to Content
Merck
All Photos(1)

Key Documents

11229

Sigma-Aldrich

Ammonium sulfite solution

technical, 34%

Synonym(s):

Diammonium sulfite, Diammonium sulfonate

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
(NH4)2SO3
CAS Number:
Molecular Weight:
116.14
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.22

grade

technical

Quality Level

concentration

34%
~34% in H2O

SMILES string

N.N.OS(O)=O

InChI

1S/2H3N.H2O3S/c;;1-4(2)3/h2*1H3;(H2,1,2,3)

InChI key

PQUCIEFHOVEZAU-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

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.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Supplementary Hazards

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Generation, behavior, and toxicity of ammonium sulfite aerosols.
S J Rothenberg et al.
Journal of the Air Pollution Control Association, 36(1), 55-59 (1986-01-01)
Hikoya Hayatsu et al.
Nucleic acids symposium series (2004), (51)(51), 47-48 (2007-11-22)
Methylation at position 5 of cytosine in DNA plays a major role in epigenetic gene control. The methylation analysis can be performed by bisulfite genomic sequencing. Conventional procedures in this analysis include a treatment of single stranded DNA with 3-5
J Sun et al.
Huan jing ke xue= Huanjing kexue, 22(4), 117-119 (2001-09-25)
The experiment results showed that the best technology of removing the nitrogen was anoxic time to aerobic time of 1:1.5, a cycle of 8 hours; the SRT should be more than 12 d and the loading of NH3-N should be
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)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service