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24-3720

Sigma-Aldrich

Polyphosphoric acid

CP

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About This Item

Linear Formula:
Hn+2PnO3n+1
CAS Number:
MDL number:
UNSPSC Code:
12352106
Pricing and availability is not currently available.

grade

CP

form

liquid

availability

available only in Japan

concentration

~105% H3PO4

bp

300 °C (lit.)

density

2.06 g/cm3

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

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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_germany

WGK 1


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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
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
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
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
Meng-Yang Chang et al.
Organic letters, 14(9), 2198-2201 (2012-04-21)
A straightforward synthesis of 3,8-dimethoxy-10,11-dihydrobenzo[j]fluoranthen-12-ones 1 is reported in a seven-step route from biphenyl-4,4'-diol 2 via the transformation of a double Claisen rearrangement, cross metathesis with ethyl acrylate, and polyphosphoric acid (PPA)-promoted Friedel-Crafts electrophilic benzannulation in good yields.

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