2013年10月24日星期四

Compound: 4-Hydroxy-4-methyl-2-pentanone

 4-Hydroxy-4-methyl-2-pentanone is a clear colourless liquid with mild pleasant odor it turns yellow on ageing. It is also known as Diacetone alcohol, diketone alcohol, tyranton, 4-hydroxy-4-methylpentanone, 2-methyl-2-pentanol-4-one, 4-methyl-2-pentanon-4-ol, diacetonalkohol, 4-hydroxy-2-keto-4-methylpentane, acetonyldimethylcarbinol, 4-hydroxy-4-methyl-penta-2-on, diacetone, daa, or 4-idrossi-4-metil-pentan-2-one. 4-Hydroxy-4-methyl-2-pentanone has slow evaporation rates. Characteristics- its boiling range is 145 -170 c, purity 99% min., and specific gravity is 0. 935 at 27 c. It is used as a solvent for both hydrogen bonding and polar substances. It is miscible in water and used as a solvent for water-based coatings. It is used as a solvent extractant in purification processes for resins and waxes. 4-Hydroxy-4-methyl-2-pentanone is more suitable for use in applications as a component of gravure printing inks, with proving favorable flow and leveling characteristics.

Name:4-Hydroxy-4-methyl-2-pentanone

EINECS:204-626-7

Molecular Formula:C6H12O2

CAS Registry Number:123-42-2

Appearance:Clear, colorless liquid

Molecular Weight:116.16

Density:0.938

Boiling Point:166℃

Melting Point:-42.8℃

Flash Point:58℃

Chemical Properties: colorless flammable liquid with a pleasant odor. And ethanol , aromatics, halogenated hydrocarbons, ethers and water miscible .

Production methods: by acetone in alkaline conditions derived by condensation . Consumption per ton of product acetone 1250kg.

Category : Flammable liquid


Toxicity grading : Poisoning

Acute toxicity : Oral - Rat LD50: 4000 mg / kg ; Oral - Mouse LD50: 3950 mg / kg

Stimulus data: skin - Rabbit 500 mg mild ; Eye - Rabbit 20 mg severe

Explosive hazardous characteristics : an explosive mixtures with air

Flammable hazardous characteristics : case of fire , high temperature, strong oxidants combustible ; combustion exhaust fumes stimulus

Storage features: packaging integrity , light loading and unloading ; Treasury ventilated , away from open flames , heat, and oxidants

Extinguishing Media: Foam , dry powder, carbon dioxide, sand

Purposes:

1) 4-Hydroxy-4-methyl-2-pentanone is manufactured from acetone isopropylidene acetone , methyl isobutyl ketone , methyl isobutyl carbinol and
hexylene glycol , isophorone , isophorone intermediate in 4-Hydroxy-4-methyl-2-pentanone available to the system to metal cleaners , wood
preservatives , photographic film and drug preservatives , antifreeze, hydraulic oil solvent extraction agent and fiber finishing agent . 4-Hydroxy-4-
methyl-2-pentanone is widely used as electrostatic painting , celluloid , nitrocellulose , fat, oil , wax and resin solvent .

2) As high boiling point solvents , paint thinners , wood stains , rust agents and dyes and other materials


3) As dye materials and resin solutions

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