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1,2-Propanediol

[Physicochemical property]

Structural Formula:CH3CHOHCH2OH

Relative Molecular weight76.09

Appearance: Water-white sticky-thick liquid with pungent flavor.

[Chemical Characteristics and Use:]

1,2-propanediol could react with Biatomicaid, Aqua fortis, chlorhydric acid, sulfuric acid etc. After dehydrating water, it could be produced oxypropylene or polyethylene glycol. It could be capatible with water, alcohol, dimethyl ether, chloroform, Acetone etc. Organic solvent. Dissolved degree of 1,2 propanediol is small for hydrocarbon, chloro hydrocarbon, Oil and Fat, but its dissolved capacity is stronger than that of ethylene glycol. 1,2-propanediol has extensive use, as solvent of perfume and edible pigment in foodstuff, as the solvent of controlled medium, presservative, paste, vitamin, penicillin in parmaceutical industry, also could be as tobacco lubricated solvent, preservative, solvent for accelerating the ripening of fruit, preservative, anti-icing fluid, heat-carrier etc. 1,2-propanediol is used to produce Non-saturated alkyd resin, plasticizer. Surface active agent etc.

[Quality Standard] Industrial Grade, Pharmaceutical Grade

[Packing] 200kg/barrel (galvanized iron barrel).

[Quality index]

Name for Index
Index
high-class
first class
qualified
chromaticity
10
16
40
relative content(20/20)
1.037-1.039
1.036-1.040
1.035-1.040
dioptre(n20D)
1.431-1.435
1.426-1.435
1.426-1.435
water content%
0.08
0.13
0.32
free acid (CH3COOH)%
0.0075
0.012
0.03
ash content%
0.008
0.013
0.032
boiling distance > 95%(Vol)
184-190
183-190
182-190
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