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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
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Quality Level
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.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
Supplementary Hazards
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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