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358983

Sigma-Aldrich

Ammonium sulfite monohydrate

92%

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About This Item

Linear Formula:
(NH4)2SO3 · H2O
CAS Number:
7783-11-1
Molecular Weight:
134.16
EC Number:
233-484-9
MDL number:
MFCD00150959
UNSPSC Code:
12352300
PubChem Substance ID:
329755233
NACRES:
NA.55
Assay:
92%
Form:
crystals
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Quality Level

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

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1 of 4

This Item
Y0001903Y0001904Y0001908
vibrant-m

Y0001905

Phosphatidylcholine from egg yolk

vibrant-m

Y0001903

Phosphatidylethanolamine from egg yolk

Lysophosphatidylcholine from egg yolk European Pharmacopoeia (EP) Reference Standard

Y0001904

Lysophosphatidylcholine from egg yolk

Evodiamine European Pharmacopoeia (EP) Reference Standard

Y0001908

Evodiamine

grade

pharmaceutical primary standard

grade

pharmaceutical primary standard

grade

pharmaceutical primary standard

grade

pharmaceutical primary standard

manufacturer/tradename

EDQM

manufacturer/tradename

EDQM

manufacturer/tradename

EDQM

manufacturer/tradename

EDQM

format

neat

format

neat

format

neat

format

neat

application(s)

pharmaceutical

application(s)

pharmaceutical

application(s)

-

application(s)

-

API family

phosphatidylcholine

API family

phosphatidylethanolamine

API family

lysophosphatidylcholine

API family

evodiamine

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

2-8°C

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

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Supplementary Hazards

EUH031

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

  • Specification Sheet

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    Certificates of Analysis (COA)

    Lot/Batch Number
    MKCP3814
    MKCN4215
    MKCL7565
    MKCM0307
    MKCK5231

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    Journal of Materials Chemistry, 22(19), 9568-9575 (2012)

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