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Ethylenglicol / Diethylenglicol


ETHYLENGLYCOL

Monoethylenglycol (GOST 19710-83)

 

Ethylenglycol (HO-CH2­CH2­-OH)used for the production of synthetic fibre, resins, low-freezing temperature and hydraulic fluids, also cosmetics. Molecular mass - 62,07.

 

Technical grades characteristics:

Parameter

Standard

Highest grade

OKP 24 2212 0120

1 grade

OKP 2      2212 0130

1

Ethylenglycol mass fraction, %, no less than

99,8

98,5

2

Diethylenglycol mass fraction, %, no more than

0,05

1,0

3

Colour, Hazen units, in ordinary condition after boiling with hydrochloric acid. 

5 20

20 non-standardized

4

Remainder mass fraction after conditioning , %, no more than

0,001

0,002

5

Iron (Fe) mass fraction, %, no more than

0,00001

0,0005

6

Water mass fraction, % no more than

0,1

0,5

7

Acid mass fraction, converted into acetic acid, %, no more than

0,0006

0,005

8

Fracture parameter at 20 oC

1,431-1,432

1,430-1,432

9

Pass in the UV spectral range , %, no less than, at wave length ,nm

220

275

350

75

95

100

Non-standardized

Transportation

Ethylenglycol is transported in 50 t volume railway tanks with aluminium boilers or corrosion-resistant steel boilers, aluminium or corrosion resistant steel barrels.

 

DIETHYLENGLYCOL

GOST 10136-77

 

Diethylenglycol (HO-CH2-CH2-O-CH2-CH2-OH) is used in the organic synthesis industry, production of popiurethane, brand B – for natural gas drying and extraction of aromatic substances. Molecular mass - 106,12.

 

Technical characteristics:

Parameter

Standard

Brand A O

P 24 2213 0100

Brand

B OKP 24 2213 0200

Density at 20 oC, g/cm3

1,116-1,117

 1,116-1,117

Diethylenglycol mass fraction, %, no less than

99,5

 98,0

Organic admixture mass fraction, %, no more than; including  ethylenglycol, %, no more than

0,4-0,15

 1,8-1,0

Colour, Hazen units, no more than

10

 20

Water mass fraction, %, no more than

0,05

 0,2

Acid mass fraction converted into acetic acid , %, no more than

0,005

 0,01

Saponification number, mg KON into  1 g product , no more than

0,1

 0,3

Distillation temperature range at pressure 101,3 hPa (760 mm g. st.) Start of distillation, oC, not lower end of distillation , oC, not higher

244-249

 241-250

Transportation

Diethylenglycol is transported in railway tanks with a volume of 50 t aluminium or corrosion-resistant steel boilers, aluminium barrels or corrosion-resistant steel barrels with a volume of 110 - 275 dm3.