Skip to Content
Merck
All Photos(1)

Documents

Safety Information

11229

Sigma-Aldrich

Ammonium sulfite solution

technical, 34%

Synonym(s):

Diammonium sulfite, Diammonium sulfonate

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
(NH4)2SO3
CAS Number:
10196-04-0
Molecular Weight:
116.14
MDL number:
MFCD00066094
UNSPSC Code:
12352302
PubChem Substance ID:
57646900
NACRES:
NA.22

grade

technical

Quality Level

100

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
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Precautionary Statements

P302 + P352 - P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Supplementary Hazards

EUH031

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

11229-VAR:
11229-BULK:
11229-2.5L:
11229-1L:

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCK4473
STBJ7592
STBJ3718
STBH6979
STBG9402

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.

Search for a COA

Already Own This Product?

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

Visit the Document Library

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)
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)
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
Contact dermatitis due to ammonium bisulfite in a bleaching cream.
M Pambor
Contact dermatitis, 35(1), 48-49 (1996-07-01)
View All Related Papers

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