What is the NOAEL for Sodium thiosulfate?
Sodium thiosulfate has 5 NOAEL studies in the database. The lowest reported value is 374 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.
NOAEL Data
REACH Registered
Cosmetic Ingredient
Sodium thiosulfate
Also known as: EINECS 231-867-5, Hypo (VAN), NSC 45624, UNII-L0IYT1O31N, Sodium hyposulfite (+2 more)
CAS 7772-98-7
Sodium thiosulfate (CAS 7772-98-7) is a chemical substance. Key regulatory status: REACH registered, 8 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH, ILO ICSC.
SOURCE
noael studies public
NOAEL studies
5
SOURCE
chemical inventory jurisdictions
Regulatory lists
8
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
13 fields
Name
Sodium thiosulfate
CAS Number
7772-98-7
DTXSID
DTXSID9042417
Molecular Formula
2Na.H2O3S2
InChI Key
AKHNMLFCWUSKQB-UHFFFAOYSA-L
Monoisotopic Mass
159.924075
Synonyms
EINECS 231-867-5Hypo (VAN)NSC 45624UNII-L0IYT1O31NSodium hyposulfiteanhydrous sodium thiosulfatesodium thiosulfate (anhydrous)
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
34 records
Reducing agentNo specific technical functionFragranceProcessing aids not otherwise specifiedStabilizing agentChelating agentAntioxidantThickening agentOxidizing agent
Regulatory Lists
Inventory, screening, and regulatory list matches from public chemical databases.
SOURCE
EPA CPDat
8 records
| List | Keyword | Source |
|---|---|---|
| inert_ingredient; Pesticides | EPA | CPCat |
| pharmaceutical | FDA | United States Food and Drug Administration (FDA) |
| IFRA Transparency | IFRA | IFRA |
| food_additive; Substances Added to Food (formerly EAFUS) (2/2019) | FDA | United States Food and Drug Administration (FDA) |
| SCIL (9/2019) | USEPA | Safer Chemical Ingredients List |
| fracking; water | NY Department of Conservation | CPCat |
| active_ingredient; animal_products; Europe; pharmaceutical; residue | EU | CPCat |
| inert_ingredient; non_food_use; Pesticides | EPA | CPCat |
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 5 of 5 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| =374 | mg/m3 | DNEL systemic | inhalation | Human | ToxValDB_GESTIS_DNEL |
| L0IYT1O31N | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| L0IYT1O31N | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| L0IYT1O31N | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| L0IYT1O31N | 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 thiosulphate | 231-867-5 | 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
-
Category
Antioxidant
Pharmaceutical Data
Same-CAS pharmaceutical records from drug and bioactivity sources.
SOURCE
EMBL-EBI ChEMBL
CHEMBL3753202
ChEMBL Phase
Not listed
Adverse Events
50
Bioactivity
0
Cannabis Data
Same-CAS cannabis compliance and lab records where available.
SOURCE
Cannabis regulatory / lab data
efsa substances
1 cannabis record found in efsa substances.
View full cannabis profile →Frequently Asked Questions
What regulatory lists include Sodium thiosulfate?
Sodium thiosulfate appears on 8 regulatory/inventory lists including inert_ingredient; Pesticides, pharmaceutical, IFRA Transparency, and 5 more. Source: EPA CPDat.
Is Sodium thiosulfate used in cosmetics?
Yes, Sodium thiosulfate is also indexed as a cosmetic ingredient under the name Sodium Thiosulfate. 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 thiosulfate come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, ILO/WHO ICSC, CosIng / Ingredients DB, ChEMBL / DailyMed, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.
Is Sodium thiosulfate used outside industrial chemicals?
Sodium thiosulfate also appears in cosmetics, pharmaceutical, cannabis databases.