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Pharmaceutical intermediates
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                                                         Glutaric anhydride

Chemical nature 

Chemical name:Glutaric anhydride

Alias:Glue anhydride; Tetrahydropyran-2,6-dione;Dihydro-2H-pyran-2,6(3H)-dione;1,5-Glutaric anhydride


Molecular formula:C5H6O3

Molecular weight:114.0993

CAS No.:108-55-4

Structural  formula

Appearance: acicular crystals

Density: 1.26 g/cm3

Melting point: 55 to 57 

Boiling point: 287 ℃ at 760 mmHg

Flash: 120.9 ℃

Vapor pressure: 0.00255 mmHg at 25 °C

Solubility: soluble in ether, ethanol, and tetrahydrofuran.

Technical indicators(Test project indicators)

Appearance: acicular crystal                              

Content: ≥ 99%

Melting point℃: 54~56

Ignition residue of PPm: ≤500

Water insolubles PPm: ≤50

The moisture%: ≤0.1

The solution to clarify:≤50


Glue anhydride mainly used in the production and manufacture of rubber, plastic, resin, medicine, etc., used to synthetic chemicals, pharmaceutical raw materials, pharmaceutical intermediates.


Lining plastic cardboard barrels packaging, net weight 25 kg/barrel

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