NOAEL Data REACH Registered Cosmetic Ingredient

1-Propanesulfonic acid, 3-mercapto-, monosodium salt

Also known as: EINECS 241-620-3, 3-Mercapto-1-propanesulfonic acid sodium salt, Sodium gamma-mercaptopropanesulfonate, Sodium 3-mercaptopropanesulfonate, Sodium 3-mercaptopropylsulfonate

CAS 17636-10-1

1-Propanesulfonic acid, 3-mercapto-, monosodium salt (CAS 17636-10-1) is a chemical substance. Key regulatory status: REACH registered, cosmetic ingredient cross-reference; source data from EPA ToxValDB, AICIS, ECHA REACH.

View cosmetic safety profile for Sodium 3-Mercaptopropane Sulfonate →

SOURCE noael studies public

NOAEL studies

SOURCE chemical inventory jurisdictions

Regulatory lists

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 10 fields

Name

1-Propanesulfonic acid, 3-mercapto-, monosodium salt

CAS Number

17636-10-1

DTXSID

DTXSID6066232

Molecular Formula

C3H8O3S2.Na

InChI Key

FRTIVUOKBXDGPD-UHFFFAOYSA-M

Synonyms

EINECS 241-620-33-Mercapto-1-propanesulfonic acid sodium saltSodium gamma-mercaptopropanesulfonateSodium 3-mercaptopropanesulfonateSodium 3-mercaptopropylsulfonate

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 5 of 5 studies

Value	Unit	Endpoint	Route	Species	Source
=12.342	mg/m3	DNEL systemic	inhalation	Human	ToxValDB_GESTIS_DNEL
S8NUH5URK8	UNII	FDA UNII substance identifier	-	-	openFDA substances
S8NUH5URK8	UNII	FDA UNII substance identifier	-	-	openFDA substances
S8NUH5URK8	UNII	FDA UNII substance identifier	-	-	openFDA substances
S8NUH5URK8	UNII	FDA UNII substance identifier	-	-	openFDA substances

Showing 5 of 5 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records

Status	Name	EC Number	Link
Registered	Sodium 3-mercaptopropanesulphonate	241-620-3	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

permitted

Max

Frequently Asked Questions

What is the NOAEL for 1-Propanesulfonic acid, 3-mercapto-, monosodium salt?

1-Propanesulfonic acid, 3-mercapto-, monosodium salt has 5 NOAEL studies in the database. The lowest reported value is 12.342 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.

Is 1-Propanesulfonic acid, 3-mercapto-, monosodium salt used in cosmetics?

Yes, 1-Propanesulfonic acid, 3-mercapto-, monosodium salt is also indexed as a cosmetic ingredient under the name Sodium 3-Mercaptopropane Sulfonate. 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 1-Propanesulfonic acid, 3-mercapto-, monosodium salt come from?

Safety data is sourced from EPA ToxValDB, 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.

Is 1-Propanesulfonic acid, 3-mercapto-, monosodium salt used outside industrial chemicals?

1-Propanesulfonic acid, 3-mercapto-, monosodium salt also appears in cosmetics databases.