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Propylene glycol colourless buy in St petersburg
Buy Propylene glycol colourless
Propylene glycol colourless
a988873311
1d10a3bb05

Propylene glycol colourless

In stock
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Russia, St petersburg
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Description


Description:

Colorless viscous hydroscopic liquid of sweetish taste and flavourless. Feed stock for organic synthesis.

Specification:

 -

Characteristic

Value

Unit.

Testing method

Mass fraction

- main substance

min. 99,5

%

LCC130

- waters

max. 0,2

%

LCC3311

Color, Pt-Co

max. 1 0

APHA

LCC3641

Heavy metals (Fe)

max. 6

p pm

LCC3290

Chlorides

max. 1

p pm

LCC3221

Acidity (acetic acid)

max. 0, 005

%

LCC3211

 -

Physical properties:

 -

Melting temperature

- 60 ° - C

Boiling temperature

189 ° - C

Education enthalpy

- 486,1 kJ/mol

Combustion enthalpy

- 1839,3 kJ/mol

Evaporation enthalpy

64,5 kJ/mol

Heat capacity at constant pressure

2,483 kJ / m*k

Dielectric permeability

32,0

 -

Application:

Apply 1,2 propylene glycol (about 40%) in production of unsaturated polyester resinss (to the construction industry and production of cars), elastic polyurethane, the alkyd pitches - in the pharmaceutical and cosmetic industry (about 10%) as solvent of natural and synthetic substances at preparation of ointments, pastes, creams, shampoos, etc. - in the food industry (10-12%) as solvent of food additives and humidifier of tobacco (thanks to the hygroscopicity).

1,2 propylene glycol possess the moderate preserving bactericidal properties. It is used also at production of brake fluids, antifreezes and heat carriers, as the plasticizer by production of transparent and vinyl films. Due to the replacement of ethylene glycol ethers with less toxic connections use of ethers increases. Toxicity 1,2 propylene glycols (LD50 = 20000 mg/kg, rats) is lower, than at ethylene glycol (LD50 = 4700 mg/kg).

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