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Polyphosphoric acid

Product Name:
Polyphosphoric acid
CAS No.
8017-16-1
Chemical Name:
Polyphosphoric acid
CBNumber:
CB6437945
Molecular Formula:
(H)n+2.(P)n.(O)3n+1
Formula Weight:
0
MOL File:
Mol File
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Polyphosphoric acid Property

Melting point:
-20°C
Boiling point:
550 °C
Density 
2.06 g/mL at 25 °C
vapor pressure 
2 hPa (20 °C)
storage temp. 
Store below +30°C.
form 
Viscous Liquid
color 
Colorless
Specific Gravity
2.06
Water Solubility 
MAY DECOMPOSE
Sensitive 
Hygroscopic
Merck 
14,7580
Stability:
Stable. Incompatible with strong bases. Hygroscopic.
CAS DataBase Reference
8017-16-1(CAS DataBase Reference)
EPA Substance Registry System
Polyphosphoric acids (8017-16-1)
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Safety

Hazard Codes 
C
Risk Statements 
34
Safety Statements 
45-36/37/39-25-26
RIDADR 
3264
WGK Germany 
1
TSCA 
Yes
HazardClass 
8
PackingGroup 
III
HS Code 
28092000
Hazardous Substances Data
8017-16-1(Hazardous Substances Data)
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N-Bromosuccinimide Price More Price(12)

Sigma-Aldrich Gold
Product number:
208213
Product name :
Polyphosphoric acid
Purity:
reagent grade, 115% H3PO4 basis
Packaging:
25g
Price:
$40.5
Updated:
2020/08/18
Buy:
Buy
Sigma-Aldrich Gold
Product number:
208213
Product name :
Polyphosphoric acid
Purity:
reagent grade, 115% H3PO4 basis
Packaging:
1kg
Price:
$72.9
Updated:
2020/08/18
Buy:
Buy
Alfa Aesar Gold
Product number:
L14856
Product name :
Polyphosphoric acid, ca 84% (as phosphorus pentoxide)
Packaging:
500ml
Price:
$52.6
Updated:
2020/06/24
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Buy
Alfa Aesar Gold
Product number:
L14856
Product name :
Polyphosphoric acid, ca 84% (as phosphorus pentoxide)
Packaging:
100ml
Price:
$24.9
Updated:
2020/06/24
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Buy
Strem Chemicals Gold
Product number:
93-1552
Product name :
Polyphosphoric acid (83% P2O5)
Packaging:
1kg
Price:
$114
Updated:
2020/06/24
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Buy
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Polyphosphoric acid Chemical Properties,Usage,Production

Description

Superphosphoric acid is made by the concentration of regular wet-process acid up to P2O5 concentrations of 78%. Granular polyphosphates suitable for bulk blending are made by reacting ammonia with regular wet process acid of 52% P2O5 content and using the heat of reaction to drive off water to produce a phosphate melt of 10-43-0, with about 40% of the phosphorus in the polyphosphate form. These materials are, however, not suitable for bulk blending due to their “sticky” nature (10).

Chemical Properties

Viscous, water-white liquid. Water solu- ble. Does not crystallize on standing; hygroscopic. The commercial acid is a mixture of orthophos- phoric acid with pyrophosphoric, triphosphoric, and higher acids and is sold on the basis of its calcu- lated content of H3PO4, e.g., 115%. Superphospho- ric acid is a similar mixture sold at 105% H3PO4. These acids revert slowly to orthophosphoric acid on dilution with water.

Uses

Dehydrating, catalytic, and sequestering agents, for metal treating; many applications where a con- centrated monooxidizing acid is needed; laboratory reagent.

Definition

ChEBI: A polymerized phosphorus oxoacid of general formula HO[PO2OH]nH formed by condensation of orthophosphoric acid molecules and containing a backbone chain consisting of alternating P and O atoms covalent y bonded together.

Hazard

Toxic by ingestion; strong irritant.

Agricultural Uses

Polyphosphoric acid is obtained by heating the wetprocess phosphoric acid. It contains around 72% phosphorus (as P2O5) and represents a series of phosphoric acids containing more than one atom of phosphorus (such as H4P2O7). The general formula is Hn+2PnO3n+1.

Polyphosphoric acid Preparation Products And Raw materials Raw materials

Raw materials

Preparation Products

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Polyphosphoric acid Suppliers

Global(240)Suppliers
-Anhui Longhua Chemical Industry Co.,LTD
Tel:
0566-8167678-
Fax:
0566-8167678
Email:
13856625888@163.com
Country:
China
ProdList:
1
Advantage:
58
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel:
021-20337333-801
Fax:
021-50323701
Email:
market@aladdin-e.com
Country:
China
ProdList:
24983
Advantage:
65
Shanghai Song Yuan Chemical Technology Co., Ltd.
Tel:
010-1234567
Fax:
86-021-33275113
Email:
sonyuanchemical@163.com
Country:
China
ProdList:
6604
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50
J & K SCIENTIFIC LTD.
Tel:
010-82848833- ;010-82848833-
Fax:
86-10-82849933
Email:
jkinfo@jkchemical.com;market6@jkchemical.com
Country:
China
ProdList:
96815
Advantage:
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel:
21-61259100-
Fax:
86-21-61259102
Email:
sh@meryer.com
Country:
China
ProdList:
40268
Advantage:
62
Alfa Aesar
Tel:
400-610-6006; 021-67582000
Fax:
021-67582001/03/05
Email:
saleschina@alfa-asia.com
Country:
China
ProdList:
30163
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Beijing dtftchem Technology Co., Ltd.
Tel:
010-60275820-
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010-60270825
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dtftchem@sina.com;
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1403
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Energy Chemical
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021-58432009
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021-58436166-800
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China
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44026
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Beijing Ouhe Technology Co., Ltd
Tel:
010-82967028-
Fax:
+86-10-82967029
Email:
2355560935@qq.com
Country:
China
ProdList:
12365
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