Polyphosphoric Acid
Category: Polyphosphoric Acid  Publish Time: 2018-07-09 16:04 
  

Polyphosphoric Acid

Classification of hazardous materials:
CAS NO.:8017-16-1
UN NO.:3264
HS Code:28092090
Molecular formula:H
6P4O13
Molecular weight:337.93


Properties:
Clear colorless viscous liquid, deliquescent, soluble in water with hydrolysis to phosphoric acid.

Specification:

 

Item

Index

Food pure

Industrial grade

Content (H3PO4)

>116%

>114.5%

Content(P2O5)

>84%

>83%

Chloride

<0.001%

<0.001%

Sulfate

0.002

0.01

Color(Hazen Unit)

20

50

Viscosity

35Pa.s

35Pa.s

Heavy metal(Pb)

<0.001%

<0.01%

Iron(Fe)

<0.001%

<0.01%

Arsenic(As)

<0.001%

<0.01%

 

Use:

Polyphosphoric acid is widely used in medicine, spices, leather and chemical industry as the cyclizing agent, acidulant and dehydrant in organic synthesis, also can be used as the substitute of Orthophosphoric Acid.

Storage & Handling: Store in a cool, dry, well-ventilated area away from incompatible substances, Keep away from alkali, toxic or corrosive substances, Handle with care, Wear acid proof protective geat.

Hazards Identification: Generally non-flammable, but may reacts vigorously with H foaming agent and cause fire. Low corrosive.

Fire fighting measures: Wear acid proof protective gear. Extinguish fire with water.

Accidental Release Measures: Wear full protective gear. Neutralize the spills with sodium carbonate solution.

Packaging: Plastic barrel or glass bottle.

Shelf period: 60 days from May to September; 90 day from October to April.