Chemical Formula: C16H30O4
Molecular Weight: 286.41
IUPAC Name: 2,5-Bis(tert-butylperoxy)-2,5-dimethylhex-3-yne
Synonyms: 2,5-Bis(tert-butylperoxy)-2,5-dimethylhex-3-yne ; 2,5-Dimethyl-2,5-di(tert-butylperoxy)-3-hexyne ; Peroxide, (1,1,4,4-tetramethyl-2-butyne-1,4-diyl)bis[(1,1-dimethylethyl)- ; 2,5-Bis(tert-butylperoxy)-2,5-dimethylhexyne
Melting Point: 88 °C (SADT)(lit.)
Boiling Point: 81-83 °C (30 torr)
Density of 2,5-Dimethyl-2,5-di(tert-butylperoxy)-hexyne-3 (1068-27-5): 1.26 g/mL at 25 °C(lit.)
Flash Point: 188 °F
Solubility in water: 2,5-Dimethyl-2,5-di(tert-butylperoxy)-hexyne-3 (1068-27-5) is insoluble
1. | ipr-mus LD50:1850 mg/kg | BSPII* SPI Bulletin. (Society of the Plastics Industry, 250 Park Ave., New York, NY 10017) 1/75-19B . |
Reported in EPA TSCA Inventory.
Moderately toxic by intraperitoneal route. A peroxide. Handle carefully. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Codes: O: Oxidizing ,
Xi: Irritant
Risk Statements: 8: Contact with combustible material may cause fire
38: Irritating to the skin
36/37/38: Irritating to eyes, respiratory system and skin
7: May cause fire
41: Risk of serious damage to eyes
37/38: Irritating to respiratory system and skin
Safety Statements: 7: Keep container tightly closed
17: Keep away from combustible material
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
36: Wear suitable protective clothing
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
3/7: Keep container tightly closed in a cool place
14: Keep away from ... (incompatible materials to be indicated by the manufacturer)
47: Keep at temperature not exceeding ... E C (to be specified by the manufacturer)
RIDADR: UN 3106 5.2
WGK Germany: 3
RTECS: MQ9750000
HazardClass: 5.2
PackingGroup: II
2,5-Dimethyl-2,5-di(tert-butylperoxy)-hexyne-3 (1068-27-5) is generally stored or transported as a mixture, with an inert solid. It is particularly sensitive to temperature rises and contamination. It is insoluble in water.
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