What is the NOAEL for Amino(imino)methanesulfinic acid?
Amino(imino)methanesulfinic acid has 8 NOAEL studies in the database. The lowest reported value is 0.94 mg/m3 via inhalation in Human. Source: ToxValDB GESTIS DNEL.
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 →
Cross-Vertical Regulatory Divergence
Amino(imino)methanesulfinic acid is prohibited in EU cosmetics but has active industrial GHS classifications (H251, H252, H302, H315, H318, H319, H332, H335).
SOURCE
Cross-vertical comparison
Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
SOURCE
NOAEL studies
NOAEL studies
8
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
8 fields
Name
Amino(imino)methanesulfinic acid
CAS Number
1758-73-2
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 8 of 8 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| =0.94 | mg/m3 | DNEL systemic | inhalation | Human | ToxValDB GESTIS DNEL |
| 42BWR07L73 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| >300 | mg/kg bw | LD50 | oral | Rat | NTP ICE acute oral |
| =1120 | mg/kg bw | LD50 | oral | Rat | NTP ICE acute oral |
| =1496 | mg/kg bw | LD50 | oral | Rat | NTP ICE acute oral |
| =1565 | mg/kg bw | LD50 | oral | Rat | NTP ICE acute oral |
| <2000 | mg/kg bw | LD50 | oral | Rat | NTP ICE acute oral |
| =47 | mg/kg bw/day | NOAEL | oral | Rat | ToxValDB HESS |
Showing 8 of 8 studies
REACH Registration
Registration status from the ECHA REACH registered substances database.
SOURCE
ECHA
1 records
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Aminoiminomethanesulphinic acid | 217-157-8 | ECHA 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
Frequently Asked Questions
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.