NOAEL Data REACH Registered Cosmetic Ingredient

Sodium hydroxymethanesulfinate

Also known as: Methanesulfinic acid, hydroxy-, monosodium salt, Discolite, EINECS 205-739-4, Formaldehyde sodium bisulfite adduct, Hydrosulfite AWC (+6 more)

CAS 149-44-0

Sodium hydroxymethanesulfinate (CAS 149-44-0) is a chemical substance. Key regulatory status: REACH registered, 2 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.

View cosmetic safety profile for Sodium Oxymethylene Sulfoxylate →

SOURCE noael studies public
NOAEL studies
12
SOURCE chemical inventory jurisdictions
Regulatory lists
2
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 16 fields
Name
Sodium hydroxymethanesulfinate
CAS Number
149-44-0
DTXSID
DTXSID7027120
Molecular Formula
CH4O3S.Na
InChI Key
XWGJFPHUCFXLBL-UHFFFAOYSA-M
Synonyms
Methanesulfinic acid, hydroxy-, monosodium saltDiscoliteEINECS 205-739-4Formaldehyde sodium bisulfite adductHydrosulfite AWCSodium oxymethanesulfinic acidNatrium hydroxymethansulfinatNatrium formaldehydesulfoxylatHydroxymethansulfinsaeure, natriumsalzOxymethansulfinsaeuren natriumUNII-X4ZGP7K714

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 2 records
Reducing agentChemical reaction regulator

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 2 records
ListKeywordSource
inert_ingredient; non_food_use; PesticidesEPACPCat
Indirect additives food contact (10/2018)FDAUnited States Food and Drug Administration (FDA)

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 12 of 12 studies
ValueUnitEndpointRouteSpeciesSource
=4.94mg/m3DNEL systemicinhalationHumanToxValDB_GESTIS_DNEL
=21mg/m3DNEL systemicinhalationHumanToxValDB_GESTIS_DNEL
X4ZGP7K714UNIIFDA UNII substance identifier--openFDA substances
X4ZGP7K714UNIIFDA UNII substance identifier--openFDA substances
X4ZGP7K714UNIIFDA UNII substance identifier--openFDA substances
X4ZGP7K714UNIIFDA UNII substance identifier--openFDA substances
>2000mg/kg bwLD50oralRatNTP_ICE_acute_oral
>5000mg/kg bwLD50oralRatNTP_ICE_acute_oral
=300mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID
=600mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID
=1000mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID
=100mg/kg bw/dayNOELoralRatToxValDB_ECHA_IUCLID

Showing 12 of 12 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
RegisteredSodium hydroxymethanesulphinate205-739-4ECHA 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
permitted
Max
-
Category
Cosmetic Ingredient
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE EMBL-EBI ChEMBL SODIUM FORMALDEHYDE SULFOXYLATE
ChEMBL Phase
-1
Adverse Events
0
Bioactivity
0
View full pharmaceutical profile →

Frequently Asked Questions

What is the NOAEL for Sodium hydroxymethanesulfinate?

Sodium hydroxymethanesulfinate has 12 NOAEL studies in the database. The lowest reported value is 4.94 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.

What regulatory lists include Sodium hydroxymethanesulfinate?

Sodium hydroxymethanesulfinate appears on 2 regulatory/inventory lists including inert_ingredient; non_food_use; Pesticides, Indirect additives food contact (10/2018). Source: EPA CPDat.

Is Sodium hydroxymethanesulfinate used in cosmetics?

Yes, Sodium hydroxymethanesulfinate is also indexed as a cosmetic ingredient under the name Sodium Oxymethylene Sulfoxylate. 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 Sodium hydroxymethanesulfinate come from?

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

Does Sodium hydroxymethanesulfinate have different safety status in cosmetics vs industrial chemicals?

Sodium hydroxymethanesulfinate is classified GHS CMR hazard (H341, H361) in the chemicals database but is allowed in EU cosmetics.

Is Sodium hydroxymethanesulfinate used outside industrial chemicals?

Sodium hydroxymethanesulfinate also appears in cosmetics, pharmaceutical databases.