SODIUM METABISULFITE

Details

Stereochemistry	ACHIRAL
Molecular Formula	2Na.O5S2
Molecular Weight	190.107
Optical Activity	NONE
Defined Stereocenters	0 / 0
E/Z Centers	0
Charge	0

SHOW SMILES / InChI

Structure Search

SMILES

[Na+].[Na+].[O-]S(=O)S([O-])(=O)=O

InChI

InChIKey=HRZFUMHJMZEROT-UHFFFAOYSA-L

InChI=1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2

HIDE SMILES / InChI

Molecular Formula	Na
Molecular Weight	22.98976928
Charge	1
Count

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	0
Optical Activity	NONE

Molecular Formula	O5S2
Molecular Weight	144.127
Charge	-2
Count

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	0
Optical Activity	NONE

Description
Sources: https://viacheminc.com/product/ammonium-sulfite/ | https://cosmeticsinfo.org/ingredient/ammonium-sulfite | https://www.ncbi.nlm.nih.gov/pubmed/14555420

Diammonium sulfite monohydrate (Ammonium sulfite monohydrate) has a wide use of applications, such as hair straightening or waving agents, as an ingredient in carmel food coloring, as well as an reducing agent in photography. Other applications include lubricants for cold metal working and blast furnace linings. It is considered safe as used in cosmetic formulations.

Approval Year

PubMed

Title	Date	PubMed
Effects of pH on the formation of 4(5)-Methylimidazole in glucose/ammonium sulfate and glucose/ammonium sulfite caramel model reactions.	2015-10	28455050
Novel homogeneous catalyst system for the oxidation of concentrated ammonium sulfite.	2006-02-28	16236439
Final report on the safety assessment of sodium sulfite, potassium sulfite, ammonium sulfite, sodium bisulfite, ammonium bisulfite, sodium metabisulfite and potassium metabisulfite.	2003	14555420

Patents

Substance Class	Chemical Created by `admin` on `Mon Mar 31 18:32:27 GMT 2025` Edited by `admin` on `Mon Mar 31 18:32:27 GMT 2025`
Record UNII	4VON5FNS3C
Record Status	`Validated (UNII)`
Record Version

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Name

Type

Language

E-223

Preferred Name

English

SODIUM METABISULFITE

Official Name

English

INS-223

Code

English

Sodium metabisulfite [WHO-DD]

Common Name

English

Disodium pyrosulfite

Systematic Name

English

INS NO.223

Code

English

SODIUM METABISULFITE [II]

Common Name

English

SODIUM METABISULPHITE

Systematic Name

English

SODIUM PYROSULFITE [JAN]

Common Name

English

SODIUM PYROSULPHITE

Systematic Name

English

SODIUM METABISULFITE [MART.]

Common Name

English

SODIUM PYROSULFITE

Systematic Name

English

SODIUM METABISULFITE [VANDF]

Common Name

English

DISODIUM PENTAOXODISULFATE

Common Name

English

DISULFUROUS ACID, DISODIUM SALT

Common Name

English

SODIUM METABISULFITE [MI]

Common Name

English

SODIUM METABISULFITE [HSDB]

Common Name

English

NSC-227243

Code

English

NSC-158277

Code

English

SODIUM METABISULFITE [USP-RS]

Common Name

English

SODIUM METABISULFITE [EP MONOGRAPH]

Common Name

English

SODIUM METABISULFITE [FCC]

Common Name

English

SODIUM METABISULFITE (E 223)

Common Name

English

DISODIUM PYROSULPHITE

Systematic Name

English

Classification Tree Code System Code

CODEX ALIMENTARIUS (GSFA)

INS-223