What is the NOAEL for Carrageenan, acid-degraded?
Carrageenan, acid-degraded has 10 NOAEL studies in the database. The lowest reported value is 1200 ug/day. Source: California Proposition 65.
NOAEL Data
IARC Group 2B
Prop 65
Cosmetic Ingredient
Carrageenan, acid-degraded
Also known as: Poligeenane, Poligeenano, Poligeenanum
CAS 53973-98-1
Carrageenan, acid-degraded (CAS 53973-98-1) is a chemical substance; key hazard signal: IARC Group 2B. Key regulatory status: California Proposition 65, 3 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, IARC, CA Prop 65.
SOURCE
noael studies public
NOAEL studies
10
SOURCE
chemical inventory jurisdictions
Regulatory lists
3
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
6 fields
Name
Carrageenan, acid-degraded
CAS Number
53973-98-1
DTXSID
DTXSID8020254
Synonyms
PoligeenanePoligeenanoPoligeenanum
IARC Carcinogen Classification
Carcinogenic hazard classification from IARC monograph evaluations.
SOURCE
IARC Monographs on the Identification of Carcinogenic Hazards to Humans
1 records
| Group | Meaning | Evaluated | Volume |
|---|---|---|---|
| Group 2B | Possibly carcinogenic | 1987 | 31, Sup 7 |
California Proposition 65
California OEHHA listing status and toxicity category.
SOURCE
California OEHHA Proposition 65 List
1 records
| Chemical | Toxicity Type | Cancer | Developmental | Listed |
|---|---|---|---|---|
| - | cancer | Yes | No | - |
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
1 records
Softener and conditioner
Regulatory Lists
Inventory, screening, and regulatory list matches from public chemical databases.
SOURCE
EPA CPDat
3 records
| List | Keyword | Source |
|---|---|---|
| pharmaceutical | US International Trade Commission | CPCat |
| OEHHA Proposition 65 (3/2019) | STATE OF CALIFORNIA ENVIRONMENTAL PROTECTION AGENCY | OEHHA Proposition 65 List |
| OEHHA Proposition 65 (1/2023) | California Office of Environmental Health Hazard Assessment | OEHHA Proposition 65 List |
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 10 of 10 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| SQE1200 | ug/day | California Proposition 65 NSRL | - | - | California Proposition 65 |
| SQE1200 | ug/day | California Proposition 65 NSRL | - | - | California Proposition 65 |
| SQE1200 | ug/day | California Proposition 65 NSRL | - | - | California Proposition 65 |
| SQE1200 | ug/day | California Proposition 65 NSRL | - | - | California Proposition 65 |
| SQEcancer | listing type | California Proposition 65 listing | - | - | California Proposition 65 |
| SQEcancer | listing type | California Proposition 65 listing | - | - | California Proposition 65 |
| SQEcancer | listing type | California Proposition 65 listing | - | - | California Proposition 65 |
| SQEcancer | listing type | California Proposition 65 listing | - | - | California Proposition 65 |
| 2B | IARC group | IARC carcinogenicity classification | - | - | IARC Monographs |
| 2 | unitless | IARC group | - | - | NTP_ICE_cancer |
Showing 10 of 10 studies
Cosmetic Safety Profile
Same-CAS cosmetic ingredient record for cross-vertical context.
SOURCE
CosIng / Ingredients DB
EU Status
permitted
Max
15.7%
Category
Marine & Algae
Frequently Asked Questions
What regulatory lists include Carrageenan, acid-degraded?
Carrageenan, acid-degraded appears on 3 regulatory/inventory lists including pharmaceutical, OEHHA Proposition 65 (3/2019), OEHHA Proposition 65 (1/2023). Source: EPA CPDat.
Is Carrageenan, acid-degraded a carcinogen according to IARC?
Carrageenan, acid-degraded is classified by IARC as Group 2B — possibly carcinogenic to humans (evaluated 1987). Source: IARC Monographs on the Identification of Carcinogenic Hazards to Humans.
Is Carrageenan, acid-degraded on the California Proposition 65 list?
Yes, Carrageenan, acid-degraded is listed under California Proposition 65 for cancer. Source: California OEHHA Proposition 65.
Is Carrageenan, acid-degraded used in cosmetics?
Yes, Carrageenan, acid-degraded is also indexed as a cosmetic ingredient under the name Carrageenan. 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 Carrageenan, acid-degraded come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, EPA DSSTox, IARC Monographs, California Proposition 65, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.
Is Carrageenan, acid-degraded used outside industrial chemicals?
Carrageenan, acid-degraded also appears in cosmetics databases.