tert-Butyl hydroperoxide

Agent Name
tert-Butyl hydroperoxide
CAS Number
75-91-2
Formula
C4-H10-O2
Major Category
Other Classes
tert-Butyl hydroperoxide formula graphical representation
Synonyms
1,1-Dimethylethyl hydroperoxide; 1,1-Dimethylethylhydroperoxide; 2-Hydroperoxy-2-methylpropane; Cadox TBH; DE 488; DE-488; Hydroperoxide, 1,1-dimethylethyl; Hydroperoxide, tert-butyl; Hydroperoxyde de butyle tertiaire [French]; Perbutyl H; Slimicide; Slimicide DE-488; T-Butyl hydroperoxide; TBHP-70; Tertiary butyl hydroperoxide; Trigonox A-75 [Czech]; Trigonox A-W70; t-Butylhydroperoxide; terc. Butylhydroperoxid [Czech]; terc.Butylhydroperoxid [Czech]; tert-Butyl hydrogen peroxide; tert-Butylhydroperoxide; [ChemIDplus] UN3109
Category
Peroxides, Organic
Description
Colorless liquid with a pungent odor; [ICSC] Odorless, colorless liquid; [CAMEO]
Sources/Uses
Used as a chemical intermediate, a curing agent for polyesters, and a catalyst for polymerization; also used for bleaching and deodorizing; [HSDB] A polymerization initiator used to produce specialty chemicals in closed systems; [ACGIH]
Comments
TLV Basis: irritation of eyes and respiratory tract; Rats exposed by inhalation 6 hours/day for 5 days had histological evidence of respiratory irritation at 91 mg/m3 but not at 20 mg/m3 (approximately 6 ppm); [ACGIH] Corrosive to skin; [Quick CPC] A corrosive substance that can cause injury to the skin, eyes and respiratory tract; [ICSC] Available as a 70% solution; Causes burns; Inhalation of high concentration can cause chemical pneumonitis; [MSDSonline]
Biomedical References

Exposure Assessment

Skin Designation (ACGIH)
No
TLV (ACGIH)
0.1 ppm
Vapor Pressure
5.46 mm Hg
Odor Threshold Low
0.05 ppm
Lethal Concentration
LC50 (rat) = 460 ppm/4H
Explanatory Notes
Flash point = 43 deg (may explode on heating); [ACGIH] VP from HSDB;
NFPA
burn readily

Adverse Effects

Toxic Pneumonitis
Yes
Reproductive Toxin
Yes
Dermatotoxin
Skin burns
ACGIH Carcinogen
Suspected Human

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: