Definition
US FDA substance register · UNII BZR4438MY4 · registered name DIHYDRO PENTAMETHYLINDANONE · single chemical substance
Cosmetic roles
Safety & regulatory references
- Restricted
- International fragrance standard (IFRA)
Source: IFRA fragrance standards
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 33704-61-9
- EC No.EU chemical inventory number
- 251-649-3
- DTXSIDUS EPA chemical ID
- DTXSID8047399
- DTXCIDUS EPA compound ID
- DTXCID6027399
- IUPAC
- 1,1,2,3,3-Pentamethyl-1,2,3,5,6,7-hexahydro-4H-inden-4-one
- Molecular formula
- C14H22O
- Molecular weight
- 206.329 g/mol
What products actually use it for
What the 65 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Fragrance62
- Deodorizer3
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 1 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 3 studies
- Severe Irritation
skin corrosion: in vitro / ex vivo · Screening · other guideline: Method B.46 of Commission Regulation 440/2008/EC (In vitro skin irritation) according to other guideline: OECD Guidelines for the Testing of Chemicals No. 439 "In Vitro Skin Irritation" (adopted 22 July 2010) according to - High Frequency of Sensitization
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) according to EU Method B.42 (Skin Sensitisation: Local Lymph Node Assay) - Severe Irritation
eye irritation: in vitro / ex vivo · Screening · other guideline: OECD guideline 438 ("Isolated Chicken Eye Test Method for Identifying Ocular Corrosives and Severe Irritants") according to
Source: US EPA CompTox dashboard
Linked databases 14
- Australian Industrial Chemicals Inventory (AICIS)
- EU CosIng ingredient list 2
- IFRA fragrance standards
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- MFDS (Korea) cosmetic ingredient register 2
- NIST Chemistry WebBook
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · English