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Cumyl hydroperoxide

Cumyl hydroperoxide Structure
Cumyl hydroperoxide
  • CAS No.80-15-9
  • Chemical Name:Cumyl hydroperoxide
  • CBNumber:CB7203705
  • Molecular Formula:C9H12O2
  • Formula Weight:152.19
  • MOL File:80-15-9.mol
Cumyl hydroperoxide Property
  • Melting point: :-30 °C
  • Boiling point: :100-101 °C/8 mmHg (lit.)
  • Density  :1.03 g/mL at 25 °C
  • vapor density  :5.4 (vs air)
  • vapor pressure  :<0.03 mm Hg ( 20 °C)
  • refractive index  :n20/D 1.5230
  • Flash point: :192 °C
  • storage temp.  :2-8°C
  • pka :pK1:12.60 (25°C)
  • Water Solubility  :Slightly soluble
  • BRN  :1908117
  • Exposure limits :No exposure limit is set. On the basis of its irritant properties, a ceiling limit of 2 mg/m3 (0.3 ppm) is recommended.
  • Stability: :Stable. combustible. Strong oxidizer. Incompatible with a variety of organic materials, reacting vigorously or violently with acids, reducing agents, many metals, strong alkalies. Heat sensitive, decomposing explosively.
  • CAS DataBase Reference :80-15-9(CAS DataBase Reference)
  • Indirect Additives used in Food Contact Substances :CUMENE HYDROPEROXIDE
  • FDA 21 CFR :175.105; 176.170
  • FDA UNII :PG7JD54X4I
  • NIST Chemistry Reference :Hydroperoxide, 1-methyl-1-phenylethyl(80-15-9)
  • EPA Substance Registry System :Cumene hydroperoxide (80-15-9)
Safety
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H227-H302-H311+H331-H341-H371-H312-H226-H242-H302+H312-H304-H314-H331-H335-H373-H411
  • Precautionary statements P303+P361+P353-P305+P351+P338-P410-P501a-P201-P202-P220-P234-P264-P270-P271-P273-P301+P330+P331+P310-P303+P361+P353+P310+P363-P308+P311-P391-P403+P233-P405-P210-P260-P280-P304+P340+P310-P305+P351+P338+P310-P370+P378
Cumyl hydroperoxide Price More Price(7)
  • Brand: Sigma-Aldrich
  • Product number: 247502
  • Product name : Cumene hydroperoxide
  • Purity: technical grade, 80%
  • Packaging: 100g
  • Price: $29.4
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 247502
  • Product name : Cumene hydroperoxide
  • Purity: technical grade, 80%
  • Packaging: 5g
  • Price: $26.1
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: C2223
  • Product name : Cumene Hydroperoxide (contains ca. 20% Aromatic Hydrocarbon)
  • Purity: 
  • Packaging: 100g
  • Price: $29
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: L06866
  • Product name : Cumene hydroperoxide, tech. 80%
  • Purity: 
  • Packaging: 100g
  • Price: $30.3
  • Updated: 2020/06/24
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: L06866
  • Product name : Cumene hydroperoxide, tech. 80%
  • Purity: 
  • Packaging: 500g
  • Price: $78.3
  • Updated: 2020/06/24
  • Buy: Buy

Cumyl hydroperoxide Chemical Properties,Usage,Production

  • Chemical Properties colourless liquid
  • Chemical Properties Cumene hydroperoxide, an organic peroxide, is a colorless to pale yellow to green liquid. Mild odor.
  • Uses Production of acetone and phenol; polymerization catalyst, particularly in redox systems, used for rapid polymerization.
  • Uses Cumene hydroperoxide is used for the manufactureof acetone and phenols; for studyingthe mechanism of NADPH-dependent lipidperoxidation; and in organic syntheses.
  • Definition ChEBI: A peroxol that is cumene in which the alpha-hydrogen is replaced by a hydroperoxy group.
  • General Description Colorless to light yellow liquid with a sharp, irritating odor. Flash point 175°F. Boils at 153°C and at 100°C at the reduced pressure of 8 mm Hg. Slightly soluble in water and denser than water. Hence sinks in water. Readily soluble in alcohol, acetone, esters, hydrocarbons, chlorinated hydrocarbons. Toxic by inhalation and skin absorption. Used in production of acetone and phenol, as a polymerization catalyst, in redox systems.
  • Air & Water Reactions Slightly soluble in water and oxidized in air at approximately 130°C.
  • Reactivity Profile Cumyl hydroperoxide is a strong oxidizing agent. May react explosively upon contact with reducing reagents Violent reaction occurs upon contact with copper, copper alloys, lead alloys, and mineral acids. Contact with charcoal powder gives a strong exothermic reaction. Decomposes explosively with sodium iodide [Chem. Eng. News, 1990, 68(6), 2]. Can be exploded by shock or heat [Sax, 2 ed., 1965, p. 643]. May ignite organic materials.
  • Hazard Toxic by inhalation and skin absorption. Strong oxidizing agent; may ignite organic materials.
  • Health Hazard Cumene hydroperoxide is a mild to moderateskin irritant on rabbits. Subcutaneousapplication exhibited a strong delayed reactionwith symptoms of erythema and edema(Floyd and Stockinger 1958). Strong solutionscan irritate the eyes severely, affectingthe cornea and iris.
    Its toxicity is comparable to that of tertbutylhydroperoxide. The toxic routes areingestion and inhalation. The acute toxicitysymptoms in rats and mice were muscleweakness, shivering, and prostration.Oral administration of 400 mg/kg resulted inexcessive urinary bleeding in rats.
    LD50 value, oral (rats): 382 mg/kg
    LD50 value, intraperitoneal (rats): 95 mg/kg
    Although cumene hydroperoxide is toxic,its pretreatment may be effective against thetoxicity of hydrogen peroxide. In humans, itstoxicity is low.
    Cumene hydroperoxide is mutagenic andtumorigenic (NIOSH 1986). It may causetumors at the site of application. In mice,skin and blood tumors have been observed.Its cancer-causing effects on humans are notknown.
  • Health Hazard Inhalation of vapor causes headache and burning throat. Liquid causes severe irritation of eyes; on skin, causes burning, throbbing sensation, irritation, and blisters. Ingestion causes irritation of mouth and stomach.
  • Fire Hazard Flammable; highly reactive and oxidizing. Flash point 79°C (174.2°F); vapor density 5.2 (air= 1); autoignition temperature not reported; self-accelerating decomposition temperature 93°C (199.4°F).
    When exposed to heat or flame, it may ignite and/or explode. A 91–95% concentration of cumene hydroperoxide decomposes violently at 150°C (302°F) (NFPA 1986). Duswalt and Hood (1990) reported violent decomposition when this compound mixed accidentally with a 2-propanol solution of sodium iodide.
    It forms an explosive mixture with air. The explosive concentration range is not reported. Hazardous when mixed with easily oxidizable compounds. Fire-extinguishing agent: water from a sprinkler or fog nozzle from an explosion-resistant location.
  • Potential Exposure Cumene hydroperoxide is used as polymerization initiator, curing agent for unsaturated polyester resins and cross-linking agent; as an intermediate in the process for making phenol plus acetone from cumene.
  • storage Cumene hydroperoxide is stored in a cool,dry and well-ventilated area isolated fromother chemicals. It should be protectedagainst physical damage. It may be shippedin wooden boxes with inside glass or earthenwarecontainers or in 55-gallon metal drums.
  • Shipping UN3109 Organic peroxide type F, liquid, Hazard Class: 5.2; Labels: 5.2-Organic peroxide, Technical Name Required.
  • Purification Methods Purify the hydroperoxide by adding 100mL of 70% material slowly and with agitation to 300mL of 25% NaOH in water, keeping the temperature below 30o. The resulting crystals of the sodium salt are filtered off, washed twice with 25 mL portions of *benzene, then stirred with 100mL of *benzene for 20minutes. After filtering off the crystals and repeating the washing, they are suspended in 100mL of distilled water and the pH is adjusted to 7.5 by addition of 4M HCl. The free hydroperoxide is extracted into two 20mL portions of n-hexane, and the solvent is evaporated under vacuum at room temperature, the last traces being removed at 40-50o/1mm [Fordham & Williams Canad J Res 27B 943 1949]. Petroleum ether, but not diethyl ether, can be used instead of *benzene, and powdered solid CO2 can replace the 4M HCl. [Beilstein 6 IV 3221.] The material is potentially EXPLOSIVE.
  • Incompatibilities The pure material is reported to explode on heating at elevated temperatures (various values given are 50°, 109, 150°C) or in strong sunlight. The substance is a strong oxidizer; reacts violently with combustible and reducing agents, causing fire and explosion hazard. Contact with metallic salts of cobalt, copper or lead alloys; mineral acids; bases; and amines may lead to violent decomposition. Vapor forms an explosive mixture with air. May accumulate static electrical charges, and may cause ignition of its vapors.
Cumyl hydroperoxide Preparation Products And Raw materials
Raw materials
Preparation Products
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