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Merck
CN

358983

Ammonium sulfite monohydrate

92%

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About This Item

Linear Formula:
(NH4)2SO3 · H2O
CAS Number:
Molecular Weight:
134.16
NACRES:
NA.55
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
233-484-9
MDL number:
Assay:
92%
Form:
crystals
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Product Name

Ammonium sulfite monohydrate, 92%

InChI

1S/2H3N.H2O3S.H2O/c;;1-4(2)3;/h2*1H3;(H2,1,2,3);1H2

InChI key

ASPXBYAQZVXSNS-UHFFFAOYSA-N

SMILES string

N.N.O.OS(O)=O

assay

92%

form

crystals

density

1.41 g/mL at 25 °C (lit.)

Quality Level

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Application

Ammonium sulfite monohydrate is used in the wafers cleaning, etching, and silicon modification procedures.

General description

Ammonium sulfite monohydrate is generally used as a reducing agent and sulfonating agent in the organic synthesis.

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

supp_hazards

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Yan B Vogel et al.
Nature communications, 8(1), 2066-2066 (2017-12-14)
Predicting or manipulating charge-transfer at semiconductor interfaces, from molecular electronics to energy conversion, relies on knowledge generated from a kinetic analysis of the electrode process, as provided by cyclic voltammetry. Scientists and engineers encountering non-ideal shapes and positions in voltammograms

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