NOAEL Data REACH Registered Cosmetic Ingredient

2-Hydroxypropyl-beta-cyclodextrin

Also known as: β-Cyclodextrin, 2-hydroxypropyl ethers, 5,10,15,25-tetrakis(hydroxymethyl)-40,44,47,49-tetrakis(2-hydroxypropoxy)-20,30,35-tris[(2-hydroxypropoxy)methyl]-2,4,7,9,12,14,17,19,22,24,27,29,32,34-tetradecaoxaoctacyclo[31.2.2.2^{3,6}.2^{8,11}.2^{13,16}.2^{18,21}.2^{23,26}.2^{28,31}]nonatetracontane-36,37,38,39,41,42,43,45,46,48-decol, EC No.: 420-920-1, 2-Hydroxypropyl-.beta.-cyclodextrine ethers, C'Cavitron 82006 (+9 more)

CAS 128446-35-5

2-Hydroxypropyl-beta-cyclodextrin (CAS 128446-35-5) is a chemical substance. Key regulatory status: REACH registered, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.

View cosmetic safety profile for Hydroxypropyl Beta-Cyclodextrin — Deep Resear →

SOURCE NOAEL studies
NOAEL studies
16
SOURCE Chemical inventory jurisdictions
Regulatory lists
0
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 17 fields
Name
2-Hydroxypropyl-beta-cyclodextrin
CAS Number
128446-35-5
DTXSID
DTXSID20894281
Synonyms
β-Cyclodextrin, 2-hydroxypropyl ethers5,10,15,25-tetrakis(hydroxymethyl)-40,44,47,49-tetrakis(2-hydroxypropoxy)-20,30,35-tris[(2-hydroxypropoxy)methyl]-2,4,7,9,12,14,17,19,22,24,27,29,32,34-tetradecaoxaoctacyclo[31.2.2.2^{3,6}.2^{8,11}.2^{13,16}.2^{18,21}.2^{23,26}.2^{28,31}]nonatetracontane-36,37,38,39,41,42,43,45,46,48-decolEC No.: 420-920-12-Hydroxypropyl-.beta.-cyclodextrine ethersC'Cavitron 82006CD-BCavasol W7 HPCavamax W7 HPHydroxy propyl beta-cyclodextrinKleptose HPTN-9502EEC No.: 420-920-1

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 2 records
DeodorizerSoftener and conditioner

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 16 of 16 studies
ValueUnitEndpointRouteSpeciesSource
1I96OHX6EKUNIIFDA UNII substance identifier--openFDA substances
1I96OHX6EKUNIIFDA UNII substance identifier--openFDA substances
1I96OHX6EKUNIIFDA UNII substance identifier--openFDA substances
1I96OHX6EKUNIIFDA UNII substance identifier--openFDA substances
8W6Q67R6NXUNIIFDA UNII substance identifier--openFDA substances
8W6Q67R6NXUNIIFDA UNII substance identifier--openFDA substances
8W6Q67R6NXUNIIFDA UNII substance identifier--openFDA substances
8W6Q67R6NXUNIIFDA UNII substance identifier--openFDA substances
>2.95mg/LLC50Inhalation-NTP ICE acute inhalation
>=4.9mg/LLC50Inhalation-NTP ICE acute inhalation
=100mg/m3LOAECinhalationRatECHA
=500mg/kg bw/dayLOELoralRatECHA
=10mg/m3NOAECinhalationRatECHA
=1000mg/m3NOAECinhalationRatECHA
<500mg/kg bw/dayNOAELoralRabbitECHA
=1000mg/kg bw/dayNOAELoralRabbitECHA

Showing 16 of 16 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA 1 records
StatusNameEC NumberLink
Registered2-Hydroxypropyl-β-cyclodextrine ethers420-920-1ECHA 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
2%
Category
Other
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE ChEMBL / DailyMed ADRABETADEX
ChEMBL Phase
3
Adverse Events
0
Bioactivity
0
View full pharmaceutical profile →

Frequently Asked Questions

What is the NOAEL for 2-Hydroxypropyl-beta-cyclodextrin?

2-Hydroxypropyl-beta-cyclodextrin has 16 NOAEL studies in the database. The lowest reported value is 1I96OHX6EK UNII. Source: openFDA substances.

Is 2-Hydroxypropyl-beta-cyclodextrin used in cosmetics?

Yes, 2-Hydroxypropyl-beta-cyclodextrin is also indexed as a cosmetic ingredient under the name Hydroxypropyl Beta-Cyclodextrin — Deep Resear. 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 2-Hydroxypropyl-beta-cyclodextrin 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.

Is 2-Hydroxypropyl-beta-cyclodextrin used outside industrial chemicals?

2-Hydroxypropyl-beta-cyclodextrin also appears in cosmetics, pharmaceutical databases.