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About This Item
Linear Formula:
(NH4)2SO3 · H2O
CAS Number:
Molecular Weight:
134.16
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.55
assay
92%
form
crystals
density
1.41 g/mL at 25 °C (lit.)
SMILES string
N.N.O.OS(O)=O
InChI
1S/2H3N.H2O3S.H2O/c;;1-4(2)3;/h2*1H3;(H2,1,2,3);1H2
InChI key
ASPXBYAQZVXSNS-UHFFFAOYSA-N
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General description
Ammonium sulfite monohydrate is generally used as a reducing agent and sulfonating agent in the organic synthesis.
Application
Ammonium sulfite monohydrate is used in the wafers cleaning, etching, and silicon modification procedures.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
supp_hazards
Storage Class
13 - Non Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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