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358983

Ammonium sulfite monohydrate

Name: Ammonium sulfite monohydrate
Brand: SIGALD

92%

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About This Item

Linear Formula:

(NH₄)₂SO₃· H₂O

CAS Number:

7783-11-1

Molecular Weight:

134.16

NACRES:

NA.55

PubChem Substance ID:

329755233

UNSPSC Code:

12352300

EC Number:

233-484-9

MDL number:

MFCD00150959

Assay:

92%

Form:

crystals

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Properties

Quality Segment

100

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

Description

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.

Pictograms

GHS07

Signal Word

Warning

Hazard Codes

H315,H319

Precautionary Statements

P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313

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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