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1,2-Propanediol 99% AR Grade Reagent

Cas Number:57-55-6
Formula:C3H8O2
Molar Mass:76.09
EC Number:200-338-0

Quantity:
  • AR
  • LABOR
  • 141502104

1,2-Propanediol 99% AR Grade Reagent


Cas Number:57-55-6

Formula:C3H8O2

Molar Mass:76.09

EC Number:200-338-0


Physicochemical properties:

Colorless viscous liquid with slightly spicy. It is easy to absorb moisture. It is stable under normal conditions and easy to form propionaldehyde, lactic acid, pyruvic acid and acetic acid at high temperatures. It is miscible with water, acetone and chloroform and soluble in ether. The relative density (d254) is 1.036. The freezing point is -59 ° C. The boiling point is 188.2 °C. The refractive index (n27D) is 1.4293. The flash point (open cup) is 99 ° C. Half lethal dose (rat, oral) 25 ml/kg.


Usage:

Solvent. Organic Synthesis. Antifreeze. Plasticizer. Fungicide. Gas chromatographic analysis standards. Gas chromatographic fixative (maximum use temperature 150 ° C, solvent chloroform), separation and analysis of alcohols, esters and ketones.


Packing:

500ml/25L/200L




Item of Analysis

Standard

Assay,%

99.0 min

Density(20),g/ml

1.035~1.039

Refractive index,n20/D

1.432~1.434

Miscibility with water

to pass test

Residue on ignition,%

0.01 max

Acidity (as H+),mmol/g

0.0005 max

Chloride(Cl),%  

0.001 max

Sulfate(SO4) ,%

0.001 max

Peroxide,%

to pass test

Moisture,%

0.2 max

Heavy metals(as Pb),%

0.0003 max


Not a hazardous substance or mixture.


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