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Merck
CN

24-3720

Polyphosphoric acid

CP

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About This Item

Linear Formula:
Hn+2PnO3n+1
CAS Number:
UNSPSC Code:
12352106
MDL number:
Concentration:
~105% H3PO4
Form:
liquid
Grade:
CP
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InChI

1S/O5P2.H3O4P/c1-2-7-4-3-6(1)5-7;1-5(2,3)4/h;(H3,1,2,3,4)

InChI key

FVYIVXLIMHNYTD-UHFFFAOYSA-N

grade

CP

form

liquid

availability

available only in Japan

concentration

~105% H3PO4

bp

300 °C (lit.)

density

2.06 g/cm3

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pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

Regulatory Information

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D S Robertson
Medical hypotheses, 62(1), 97-111 (2004-01-20)
A hypothesis concerning the mode of formation of the components of DNA and RNA in living cells is described. This is based on the reversible hydration and dehydration of polyphosphoric acids in the cell. It is shown that formation of
Antonio Cobo Molinos et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 46(8), 2912-2921 (2008-06-26)
Enterocin AS-48 was tested for decontamination of soybean sprouts against Gram-negative bacteria. Although treatment with bacteriocin alone had no effect on Salmonella enterica, a synergistic antimicrobial effect was detected at pH 9.0 and in combination with moderate heat treatment. Greatest
Deyi Zhang et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 22(1), 183-186 (2006-01-25)
Based on the chemiluminescence (CL) emission generated from the oxidation of ceftriaxone sodium alkali hydrolysate by potassium permanganate in polyphosphoric acid (PPA), a novel determination method for ceftriaxone sodium was developed by using a flow-injection technique. The calibration curve appears
Jean-Philippe St-Pierre et al.
Acta biomaterialia, 6(8), 3302-3309 (2010-03-02)
A major challenge to the successful clinical application of bioengineered cartilage remains its integration to surrounding tissues upon implantation. One way to address this consists of generating biphasic constructs composed of articular cartilage formed in vitro on the top surface
K Maekawa et al.
Journal of oral rehabilitation, 36(5), 362-367 (2009-02-13)
This study was conducted to evaluate the effect of polyphosphoric acid (PPA) treatment on bone regeneration around titanium (Ti) implants in vivo. Adsorption of PPA by Ti was achieved by immersing Ti implants (2 mm in diameter, 4 mm in

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