tert-Butyl peroxypivalate

Modify Date: 2025-08-19 22:07:35

tert-Butyl peroxypivalate Structure
tert-Butyl peroxypivalate structure
Common Name tert-Butyl peroxypivalate
CAS Number 927-07-1 Molecular Weight 174.23700
Density 0.854 Boiling Point 182.5ºC at 760 mmHg
Molecular Formula C9H18O3 Melting Point -17°C
MSDS N/A Flash Point 68~71℃

 Names

Name tert-Butyl peroxypivalate
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.854
Boiling Point 182.5ºC at 760 mmHg
Melting Point -17°C
Molecular Formula C9H18O3
Molecular Weight 174.23700
Flash Point 68~71℃
Exact Mass 174.12600
PSA 35.53000
LogP 2.30580
Index of Refraction 1.410

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SE0950000
CHEMICAL NAME :
Peroxypivalic acid, tert-butyl ester
CAS REGISTRY NUMBER :
927-07-1
BEILSTEIN REFERENCE NO. :
1704745
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C9-H18-O3
MOLECULAR WEIGHT :
174.27
WISWESSER LINE NOTATION :
1X1&1&VOOX1&1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BSPII* SPI Bulletin. (Soc. of the Plastics Industry, 250 Park Ave., New York, NY 10017) Volume(issue)/page/year: 1/75-19B *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - E0029 No. of Facilities: 250 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 250 (estimated)

 Safety Information

Hazard Codes Xi
Risk Phrases R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Phrases S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36:Wear suitable protective clothing .
RIDADR UN 2110
WGK Germany 3
Packaging Group II
Hazard Class 5.2
HS Code 2918300090

 Synthetic Route

~95%

tert-Butyl peroxypivalate Structure

tert-Butyl pero...

CAS#:927-07-1

Literature: Appel, Hans; Meichelboeck, Wilfried; Weinmaier, Josef Helmut; Zellner, Helmut Patent: US2010/22794 A1, 2010 ; Location in patent: Page/Page column 4 ;

 Customs

HS Code 2918300090
Summary 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 Synonyms

butyl peroxypivalate
trigonox25-c75
tertiary butyl peroxy pivalate
inmineralspirit
tert-butyl peroxy pivalate
t-butylperoxypivalate
EINECS 213-147-2
t-butylperoxypyvalate
tertiary butyl perpivalate
lupersol11
trigonox25/75
InitiatingagentPV
esperox31m
2-methyl-2-propyl peroxypivalate
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