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item

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superior grade

a grade

qualified

appearance

colorless transparent liquid, no smell, no impurities

chromaticity, hazen unit (platinum-cobalt color code) 

 5

 10

density,ρ20/(g/cm3)

0.791 ~ 0.792

0.791 ~ 0.793

boiling range①(0℃,101.3kpa/

0.8

1.0

1.5

potassium permanganate test /min

50

30

20

water miscibility test

pass1 3

pass1 9

null

water  %     

0.10

0.15

0.20

acidhcooh%

or alkali nh3%

0.0015

0.0002

0.0030

0.0008

0.0050

0.0015

carbonyl compoundhcho%

0.002

0.005

0.010

evaporation residue  %

0.001

0.003

0.005

sulphuric acid washing test, hazen unit (platinum-cobalt color code) 

 50

 null

note: including 64.6 plus or minus 0.1



packaging, transportation and storage:
industrial methanol is used to clean dry container packaging, the packaging container should be tightly sealed, stored in dry, ventilated, cool, avoid the hot sun exposure and isolation from heat source and fire.
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