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Current:Home » Product Categories » » For Plasticizer--85-44-9--O-Phthalic Anhydride
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For Plasticizer--85-44-9--O-Phthalic Anhydride
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Product:
Brand: aa 
Price: 1800.00USD/ 
MOQ: 20  
Total supply:
Delivery time: From the date of payment from the buyer within days of delivery
update time: 2016-07-24 05:36  Valid to:Long-term effective
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For Plasticizer-- 85-44-9 --O-Phthalic Anhydride

 

 

 

FREE sample for U!

 

Any inquiry is WELCOM! (^-^)/

 

 

Product Description

 

English name: o-Phthalic anhydride            

Abbreviation: PA

Another name: 2,5-Isobenzofurandione 

Phthalic anhydride 99+ %

2-benzofuran-1,3-dione

2,2'-(oxydicarbonyl)dibenzoic acid

Chemical formula:C8H4O3,C6H4(CO)2O     

Molecular formula: C23H29CLO6

Molecular weight: 148.12                     

CAS: 84-44-9

 

O-Phthalic anhydride is formed by phthalic acid molecular through dehydration. O-phthalic anhydride is made from naphthalene and mixed with air through the process of 350~360°C vapor phase oxidation catalyzed by vanadium pentoxide,. Phthalic anhydride is in the shape of white scaly or crystalline powder. It is an important organic chemical material and mainly used in the production of plasticizer, alkyd resin, dye, unsaturated resin and some of medicines or pesticides.

 

 

Technical Data

 

Density

1.53

Melting chroma

≤ 100

Thermal stability chroma

≤ 150

Melting point

131.2°C

Boiling point

295°C

Crystallization point

≥ °C 130.0

Purity%

≥ 99.5

Free acid content

≤ % 0.5

Stability

Stable

Water-solubility

Soluble in hot water, ethanol, ethyl ether, benzene and most organic solvents except cold water.

 

Packaging and Storage

 

 

Packaging: Lined with plastic woven bag, 25kg/bag

 

Storage: Stored in dry and ventilated placeKeep away from firemoisture, direct sunshine and rain. Maintain the integrity of the packaging, wear protective equipment when handling, do not touch and inhalation

 

Storage period: Within three months from the date of production.

 

 

 

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