Definition
US FDA substance register · UNII 54E39145KT · registered name TERT-BUTYL PEROXYBENZOATE · single chemical substance
Cosmetic roles
Safety & regulatory references
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
Official labels & definitions
JCIA labelling name ｔ－ブチル過酸化ベンゾイル: 本品は、次の化学式で表される有機化合物である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 614-45-9
- EC No.EU chemical inventory number
- 210-382-2
- DTXSIDUS EPA chemical ID
- DTXSID9024699
- DTXCIDUS EPA compound ID
- DTXCID904699
- IUPAC
- tert-Butyl benzenecarboperoxoate
- Molecular formula
- C11H14O3
- Molecular weight
- 194.23 g/mol
Measured properties
- Appearance
- liquid
- Melting/freezing point
- 8 ℃
- Initial boiling point and range
- 75~76 ℃
- Flash point
- 93 ℃
- Vapour pressure
- 0.33 ㎜Hg (at 50 ℃)
- Vapour density
- 6.7 ()
- Relative density
- 1.021-1.04 ()
- n-Octanol/water partition coefficient (Kow)
- 2.89 ((est.))
- Decomposition temperature
- 112 ℃
- Molecular weight
- 194.25
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: KOSHA safety data sheets (Korea)
What products actually use it for
What the 34 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.
- Hardener10
- Chemical reaction regulator9
- Catalyst8
- Binder3
- Processing aids not otherwise specified2
- UV stabilizer1
- Intermediate1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
6 skin studies and 4 eye studies are on record.
The study conclusions largely agree (67%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 10 studies
- High Frequency of Sensitization
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) - Severe Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · equivalent or similar to other guideline: Buehler, 1965 - Classification not possible
Skin Irritation · Screening - Category 6.3B (Category 3)
Skin Irritation · Read Across - Category 1
Skin Sensitization · Screening - Ambiguous
eye irritation: in vivo · Screening · other guideline: (USA) FR 28, No. 110, p5582; June 6, 1963. equivalent or similar to - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to - Not classified
Eye Irritation · Screening - Category 6.4A (Category 2A)
Eye Irritation · Read Across
Source: US EPA CompTox dashboard
Linked databases 14
- Australian Industrial Chemicals Inventory (AICIS)
- ChEMBL
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- 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 · Chinese