DISULFUROUS ACID

Details

Stereochemistry	ACHIRAL
Molecular Formula	H2O5S2
Molecular Weight	146.143
Optical Activity	NONE
Defined Stereocenters	0 / 0
E/Z Centers	0
Charge	0

SHOW SMILES / InChI

Structure Search

SMILES

OS(=O)S(O)(=O)=O

InChI

InChIKey=WBZKQQHYRPRKNJ-UHFFFAOYSA-N

InChI=1S/H2O5S2/c1-6(2)7(3,4)5/h(H,1,2)(H,3,4,5)

HIDE SMILES / InChI

Molecular Formula	H2O5S2
Molecular Weight	146.143
Charge	0
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 `Tue Apr 01 16:31:36 GMT 2025` Edited by `admin` on `Tue Apr 01 16:31:36 GMT 2025`
Record UNII	CG8XAU5U77
Record Status	`Validated (UNII)`
Record Version

Download

Name

Type

Language

PYROSULFUROUS ACID

Preferred Name

English

DISULFUROUS ACID

Systematic Name

English

sulfinosulfonic acid

Systematic Name

English

Code System Code Type Description

CAS

33669-61-3