Equivalent Sibling CAS Numbers Notice
This substance (Main CAS 2212-81-9) has equivalent sibling CAS numbers, isomers, or monomer-oligomer mixtures:25155-25-3(Bis(tert-butyldioxyisopropyl)benzene). For your sourcing and technical convenience, the platform has automatically merged and aggregated all verified suppliers and products from these sibling CAS numbers below.
Di(tert-butylperoxyisopropyl)benzene (CAS 2212-81-9)
Di(tert-butylperoxyisopropyl)benzene (CAS 2212-81-9) is an organic peroxide compound with molecular formula C20H34O4 and molecular weight 338.48. Also known as BIBP, BIPB, 1,4-Di-(2-tert-butylperoxyisopropyl) benzene. It typically appears in liquid form.
Di(tert-butylperoxyisopropyl)benzene (CAS number: 2212-81-9) is an high-purity chemical raw material that is designed specifically for the demanding coatings, adhesives, and composites industries, offering stable and long-lasting curing effects. It is a core component in advanced coating materials, fiberglass reinforced plastics (FRP), and wind turbine blade manufacturing. Its exceptional chemical characteristics give it an important position in modern industrial formulations, providing enterprises with highly efficient product solutions.
Below you can find its complete physical and chemical properties, safety data, GHS hazard classifications, and a catalog of 52 products from 11 verified manufacturers.
CAS 2212-81-9 is also known as:
- BIBP
- BIPB
- 1,4-Di-(2-tert-butylperoxyisopropyl) benzene
- ALPHA,ALPHA'-BIS(T-BUTYLPEROXY)-DIISOPROPYL-BENZENE
- BIS[1-(TERT-BUTYLPEROXY)-1-METHYLETHYL]BENZENE
- BIS(TERT-BUTYLPEROXYISOPROPYL)BENZENE
- (phenylenebis(1-methylethylidene))bis(1,1-dimethylethyl)-peroxid
- (phenylenediisopropylidene)bis(tert-butyl-peroxid
- (phenylenediisopropylidene)bis(tert-butylperoxide)
- alpha,alpha’-bis(tert-butylperoxy)diisopropylbenzene
- di(butylperoxy)diisopropylbenzene
- Peroxide,[1,3(or1,4)-phenylenebis(1-methylethylidene)]bis[(1,1-dimethylethyl)
CAS Number
2212-81-9
Molecular Formula
C20H34O4
Molecular Weight
338.48
EINECS Number
218-664-7
MDL Number
MFCD00072691
BRN Number
1769607
Chemical Name
Di(tert-butylperoxyisopropyl)benzene
Last Updated
7/28/2025
Aliases
Appearance
Colorless to pale yellow liquid
Appearance State
Liquid. Insoluble in water.
Color
Colorless
Odor
Faint odor
Form
Liquid
Melting Point
43-49
Boiling Point
360.0 (predicted)
Flash Point
113
Density
0.974
Vapor Density
>1 (air=1)
Vapor Pressure
0 Pa @ 20°C
Refractive Index
1.6000 (est.)
LogP Value
7.3 @ 20 °C
Merck Index
Not Listed
Solubility
Very low solubility in water
Water Solubility
very low
Solubility Detail
Solubility in water is 40 μg/L (20°C).
Storage Conditions
Store in refrigerator (ca. +4°C), avoid direct sunlight, away from heat sources.
InChI Key
UBRWPVTUQDJKCC-UHFFFAOYSA-N
GHS Hazard Symbols
Hazard Class
Signal Word
Danger
Hazard Symbols
O
Risk Codes
R7, R36
UN Number
UN 3106
IARC Classification
Not Classified
WGK Germany
2
RTECS Number
-
Auto-ignition Temperature
> 380
TSCA Listed
Listed (Active)
Packing Group
II
Customs Code
29096000
Occupational Exposure Band (OEB)
Not Specified
Occupational Exposure Limit (OEL)
Not Specified
Immediately Dangerous to Life or Health (IDLH)
Not Specified
Hazard Statements
H242,H413Precautionary Statements
P210,P220,P234,P280,P370+P378,P403+P235,P411,P420,P501Safety Statements
S3/7, S14, S26, S36/37/39
11 verified suppliers offering 52 products for Di(tert-butylperoxyisopropyl)benzene (CAS 2212-81-9). Compare equivalent grades across brands (e.g., Trigonox vs Luperox) by assay, physical form, and availability from trusted manufacturers and distributors worldwide.
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