Phosphorus Pentoxide

1.Another name:anhydrous phosphoric acid

2.Molecular formula:P2O5

3.Molecular weight:141.94

4.Character:This product is white soft powder; specific

gravity:2.39; it is sublimated at 347; under pressure it will melt

at 563, corrosive to skin; easy to absorb air moisture; soluble in

water and releases a lot of heat, turned into metaphosphate firstly

and then become phosphoric acid.

5.Quality index:

Appearance:white soft powder

Content(P2O5)%:98

Free phosphor(P)%:0.02

Insolubility in water:Qualified

Clarification test:Qualified

6.Application and packing:

This product are extensively used by medical and chemical

enterprises mainly in making high pure phosphoric acid; used as

drying agent of gas and liquid, dehydrating agent of organic

synthesis and also in organic phosphate preparation. Packed in thick

double plastic bag, each bag 20kg(net weight); in 20kg iron drum for

export.

Polyphosphoric acid

1.Short name: PPA

2.Molecular formula: H6P4O13

3.Molecular weight: 337.93

4.Properties: PPA is colorless transparent sticky liquid; easy to

air slack; not crystallize; corrosive; compatible with water;

hydrolyzed into ortho-phosphoric acid; specific gravity is 2.1g/CM3.

5.Specifications: (company standard)

P2O580%

Cloride0.001%

Sulfate0.02%

Heavy metal0.01%

Iron0.01%

6.Uses:

It is widely used in pharmaceutical, perfumery, leather and chemical

industry; as compound cyclizing agent in organic synthesis,

acidifier and dehydrant; as substitute of ortho-phosphoric acid.

7.Packing and shipping: 35KG plastic drum.