Peroxide,1,1'-(1-methylpropylidene)bis[2-(1,1-dimethylethyl) cas no:2167-23-9
Synonyms: Peroxide,(1-methylpropylidene)bis[(1,1-dimethylethyl) (9CI); Peroxide,sec-butylidenebis[tert-butyl (6CI,7CI,8CI); 2,2-Bis(tert-butyldioxy)butane;2,2-Bis(tert-butylperoxy)butane; 2,2-Di(tert-butylperoxy)butane;3,4,6,7-Tetraoxanonane, 5-ethyl-2,2,5,8,8-pentamethyl-; Chaloxyd P 1200AL;Chaloxyd P 1293AL; DB 50; Lupersol 220; NSC 5626; Perhexa 22; Perhexa 22-50S;Trigonox D; Trigonox D-C 50; Trigonox D-E 50; Trigonox DB 50; Trigonox DM 50;VP 1200; sec-Butylidenebis[tert-butyl peroxide]
NamePeroxide,1,1'-(1-methylpropylidene)bis[2-(1,1-dimethylethyl)
CAS2167-23-9
SynonymsPeroxide,(1-methylpropylidene)bis[(1,1-dimethylethyl) (9CI); Peroxide,sec-butylidenebis[tert-butyl (6CI,7CI,8CI); 2,2-Bis(tert-butyldioxy)butane;2,2-Bis(tert-butylperoxy)butane; 2,2-Di(tert-butylperoxy)butane;3,4,6,7-Tetraoxanonane, 5-ethyl-2,2,5,8,8-pentamethyl-; Chaloxyd P 1200AL;Chaloxyd P 1293AL; DB 50; Lupersol 220; NSC 5626; Perhexa 22; Perhexa 22-50S;Trigonox D; Trigonox D-C 50; Trigonox D-E 50; Trigonox DB 50; Trigonox DM 50;VP 1200; sec-Butylidenebis[tert-butyl peroxide]
EINECS(EC#)218-507-2
Molecular FormulaC12H26 O4
Molecular Weight234.34
AppearanceA 50% by weigh solution in mineral oil. Pale yellow liquid with the odor of rubbing alcohol.
refractive indexn20/D 1.445
storage tempRefrigerator (+4°C) + Flammables area
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass5.2
Hazard O: Oxidizing agent;Xi: Irritant;
Risk R10;R36/38;R7
Safety
Pure material explodes on heating to 130°C, sparking or on impact. When heated to decomposition it emits acrid smoke and fumes. See also PEROXIDES, INORGANIC; PEROXIDES, ORGANIC.Safety information of 2,2-Bis(tert-butylperoxy)butane (CAS NO.2167-23-9):
Hazard Codes 
O,
Xi
Risk Statements
8 Contact with combustible material may cause fire
41 Risk of serious damage to eyes
7 May cause fire
10 Flammable
36/37/38 Irritating to eyes, respiratory system and skin
Safety Statements
16 Keep away from sources of ignition - No smoking
17 Keep away from combustible material
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39 Wear suitable protective clothing, gloves and eye/face protection
3/7 Keep container tightly closed in a cool place
14 Keep away from ... (incompatible materials to be indicated by the manufacturer)
RIDADR UN 3103 5.2
WGK Germany 2
HazardClass 5.2
PackingGroup II
