tert-Butyl peroxypivalate (CAS 927-07-1)
tert-Butyl peroxypivalate (CAS 927-07-1) is an organic peroxide compound with molecular formula C9H18O3 and molecular weight 174.24. Also known as peroxypivalicacid,tert-butylester, Propaneperoxoicacid,2,2-dimethyl-,1,1-dimethylethylester, t-butylperoxypivalate. It typically appears in liquid form.
tert-Butyl peroxypivalate (CAS number: 927-07-1) is an industrial-grade chemical raw material that is widely applied in the curing of synthetic resins and high-temperature crosslinking of elastomers, making it an industry-preferred additive. It is especially common in the modification of foaming materials, EVA footwear, and various engineering plastics. 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 31 products from 12 verified manufacturers.
CAS 927-07-1 is also known as:
- peroxypivalicacid,tert-butylester
- Propaneperoxoicacid,2,2-dimethyl-,1,1-dimethylethylester
- t-butylperoxypivalate
- Tertbutylperoxidetert-pentanoicacidester
- tert-butyltrimethylperoxyacetate
- butyl peroxypivalate
- 2,2-Dimethylpropaneperoxoic acid 1,1-dimethylethyl ester
- tert.-Butylperoxypivalat
- TBPP
- TBPV
CAS Number
927-07-1
Molecular Formula
C9H18O3
Molecular Weight
174.24
EINECS Number
213-147-2
MDL Number
MFCD00048254
BRN Number
1746816
Chemical Name
tert-Butyl peroxypivalate
Last Updated
8/8/2025
Aliases
Appearance
Colorless liquid with a characteristic odor
Appearance State
Liquid. Decomposes in water.
Color
Colorless to Light Yellow
Odor
Pungent odor
Form
Liquid
Melting Point
< -19
Boiling Point
68-71
Flash Point
ca. 68-71
Density
1.410
Vapor Density
>1 (air=1)
Vapor Pressure
ca. 4.02 hPa @ 38°C
Refractive Index
ca. 1.410
LogP Value
ca. 3.17 @ 25 °C
Merck Index
Not Listed
Solubility
Practically insoluble in water
Water Solubility
practically insoluble
Solubility Detail
Practically insoluble in water.
Storage Conditions
Store in a cool, dry, dark place, away from fire and heat sources.
InChI Key
OPQYOFWUFGEMRZ-UHFFFAOYSA-N
GHS Hazard Symbols
Hazard Class
Signal Word
Danger
Hazard Symbols
O
Risk Codes
R7, R22, R34, R43
UN Number
UN 2110
IARC Classification
Not Classified
WGK Germany
3
RTECS Number
-
Auto-ignition Temperature
No Data Available
TSCA Listed
Listed (Active)
Packing Group
II
Customs Code
29159000
Occupational Exposure Band (OEB)
Not Specified
Occupational Exposure Limit (OEL)
Not Specified
Immediately Dangerous to Life or Health (IDLH)
Not Specified
Hazard Statements
H411, H304, H317, H242, H315, H335Precautionary Statements
P210, P220, P234, P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P370+P378, P403+P235, P405, P411, P420, P501Safety Statements
S3/7, S14, S26, S36/37/39, S45
12 verified suppliers offering 31 products for tert-Butyl peroxypivalate (CAS 927-07-1). 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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