NOAEL Data REACH Registered Cosmetic Ingredient

3,3'-Thiodipropionic acid

Also known as: Diethyl sulfide 2,2'-dicarboxylic acid, EINECS 203-841-3, NSC 8166, Sulfide, bis(2-carboxyethyl), 4-Thiaheptanedioic acid (+8 more)

CAS 111-17-1

3,3'-Thiodipropionic acid (CAS 111-17-1) 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 Thiodipropionic Acid →

SOURCE noael studies public
NOAEL studies
15
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 19 fields
Name
3,3'-Thiodipropionic acid
CAS Number
111-17-1
DTXSID
DTXSID8044200
Molecular Formula
C6H10O4S
InChI Key
ODJQKYXPKWQWNK-UHFFFAOYSA-N
Monoisotopic Mass
178.02998
Synonyms
Diethyl sulfide 2,2'-dicarboxylic acidEINECS 203-841-3NSC 8166Sulfide, bis(2-carboxyethyl)4-Thiaheptanedioic acidThiahydracrylic acid3,3'-Thiobis(propanoic acid)Thiodihydracrylic acidKyselina 3,3-thiodipropionovaKyselina beta,beta'-thiodipropionovaUNII-3BBK323ED8Bis(2-carboxyethyl) sulfide

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 3 records
Softener and conditionerCatalystAntioxidant

Regulatory Lists

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

SOURCE EPA CPDat 2 records
ListKeywordSource
drinking_water; Europe; manufacturing; plastic_additiveBelgaquaCPCat
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)FDAUnited States Food and Drug Administration (FDA)

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 15 of 15 studies
ValueUnitEndpointRouteSpeciesSource
=1mg/m3DNEL localinhalationHumanToxValDB_GESTIS_DNEL
=3.29mg/m3DNEL systemicinhalationHumanToxValDB_GESTIS_DNEL
3BBK323ED8UNIIFDA UNII substance identifier--openFDA substances
3BBK323ED8UNIIFDA UNII substance identifier--openFDA substances
=3000mg/kg bwLD50oralRatNTP_ICE_acute_oral
=1000mg/kg bw/dayLOAELoralRatToxValDB_ECHA_IUCLID
57mg/kg bw/dayNOAELoralratCOSMOS_DB
500mg/kg bw/dayNOAELoralratCOSMOS_DB
565mg/kg bw/dayNOAELoralguinea pigCOSMOS_DB
1000mg/kg bw/dayNOAELoralratCOSMOS_DB
=1000mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID
1500mg/kg bw/dayNOAELoralratCOSMOS_DB
=100mg/kg bw/dayNOELoralRatToxValDB_ECHA_IUCLID
=200mg/kg bw/dayNOELoralRatToxValDB_ECHA_IUCLID
=300mg/kg bw/dayNOELoralRatToxValDB_ECHA_IUCLID

Showing 15 of 15 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
Registered3,3'-thiodi(propionic acid)203-841-3ECHA 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
Antioxidant
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE EMBL-EBI ChEMBL E388
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
1
View full pharmaceutical profile →

Food Safety Data

Same-CAS food additive, ADI, and GRAS records where available.

SOURCE EFSA / FDA GRAS 1 records

E388 — ADI: 0-3 mg/kg bw mg/kg bw

View full food safety profile →

Frequently Asked Questions

What is the NOAEL for 3,3'-Thiodipropionic acid?

3,3'-Thiodipropionic acid has 15 NOAEL studies in the database. The lowest reported value is 1 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.

What regulatory lists include 3,3'-Thiodipropionic acid?

3,3'-Thiodipropionic acid appears on 2 regulatory/inventory lists including drinking_water; Europe; manufacturing; plastic_additive, food_additive; Substances Added to Food (formerly EAFUS) (2/2019). Source: EPA CPDat.

Is 3,3'-Thiodipropionic acid used in cosmetics?

Yes, 3,3'-Thiodipropionic acid is also indexed as a cosmetic ingredient under the name Thiodipropionic 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 3,3'-Thiodipropionic 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, ChEMBL / DailyMed, EFSA / FDA GRAS. All data traces to primary regulatory sources and is updated from official government databases.

Does 3,3'-Thiodipropionic acid have different safety status in cosmetics vs industrial chemicals?

3,3'-Thiodipropionic acid is classified GHS Danger (H318, H319, H314) in the chemicals database but is allowed in EU cosmetics.

Is 3,3'-Thiodipropionic acid used outside industrial chemicals?

3,3'-Thiodipropionic acid also appears in cosmetics, pharmaceutical, food safety databases.