NOAEL Data REACH Registered Cosmetic Ingredient

Amino(imino)methanesulfinic acid

Also known as: EINECS 217-157-8, Methenesulfinic acid, aminoimino-, Thiourea S,S-dioxide

CAS 1758-73-2

Amino(imino)methanesulfinic acid (CAS 1758-73-2) is a chemical substance. Key regulatory status: REACH registered, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.

View cosmetic safety profile for Formamidine Sulfinic Acid →

SOURCE noael studies public
NOAEL studies
11
SOURCE chemical inventory jurisdictions
Regulatory lists
0
SOURCE eu clp annex vi
GHS signal
Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 9 fields
Name
Amino(imino)methanesulfinic acid
CAS Number
1758-73-2
DTXSID
DTXSID4029224
Molecular Formula
CH4N2O2S
InChI Key
FYOWZTWVYZOZSI-UHFFFAOYSA-N
Monoisotopic Mass
107.999349
Synonyms
EINECS 217-157-8Methenesulfinic acid, aminoimino-Thiourea S,S-dioxide

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 1 records
Reducing agent

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 11 of 11 studies
ValueUnitEndpointRouteSpeciesSource
=0.94mg/m3DNEL systemicinhalationHumanToxValDB_GESTIS_DNEL
42BWR07L73UNIIFDA UNII substance identifier--openFDA substances
42BWR07L73UNIIFDA UNII substance identifier--openFDA substances
42BWR07L73UNIIFDA UNII substance identifier--openFDA substances
42BWR07L73UNIIFDA UNII substance identifier--openFDA substances
>300mg/kg bwLD50oralRatNTP_ICE_acute_oral
=1120mg/kg bwLD50oralRatNTP_ICE_acute_oral
=1496mg/kg bwLD50oralRatNTP_ICE_acute_oral
=1565mg/kg bwLD50oralRatNTP_ICE_acute_oral
<2000mg/kg bwLD50oralRatNTP_ICE_acute_oral
=47mg/kg bw/dayNOAELoralRatToxValDB_HESS

Showing 11 of 11 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
RegisteredAminoiminomethanesulphinic acid217-157-8ECHA overview →

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records
Inventory Status
listed

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
prohibited
Max
-
Category
Colorant
View full cosmetic safety profile →

Frequently Asked Questions

What is the NOAEL for Amino(imino)methanesulfinic acid?

Amino(imino)methanesulfinic acid has 11 NOAEL studies in the database. The lowest reported value is 0.94 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.

Is Amino(imino)methanesulfinic acid used in cosmetics?

Yes, Amino(imino)methanesulfinic acid is also indexed as a cosmetic ingredient under the name Formamidine Sulfinic Acid. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for Amino(imino)methanesulfinic acid come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.

Does Amino(imino)methanesulfinic acid have different safety status in cosmetics vs industrial chemicals?

Amino(imino)methanesulfinic acid is prohibited in EU cosmetics but has active industrial GHS classifications (H251, H252, H302, H315, H318, H319, H332, H335).

Is Amino(imino)methanesulfinic acid used outside industrial chemicals?

Amino(imino)methanesulfinic acid also appears in cosmetics databases.