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358983

Ammonium sulfite monohydrate

92%

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Size/SKUAvailabilityPrice
500 g

Estimated to ship onNovember 11, 2026fromMILWAUKEE

$68.60

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

$68.60


Estimated to ship onNovember 11, 2026Details


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Quality Segment

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

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.

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This Item
11229
description

92%

description

technical, 34%

form

crystals

form

-

assay

92%

assay

-

Quality Level

100

Quality Level

100

density

1.41 g/mL at 25 °C (lit.)

density

-


Pictograms

Exclamation mark

Signal Word

Warning

Hazard Codes

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

Storage Class

11 - Combustible Solids



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