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79615

Sigma-Aldrich

meta-Phosphoric acid

purum, ~65% HPO3 basis, pieces

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Synonym(s):
Metaphosphoric acid
Linear Formula:
(HPO3)n
CAS Number:
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

purum

form

pieces

concentration

~65% (HPO3)

impurities

~35% (NaPO3)

solubility

water: miscible

density

2 g/cm3

SMILES string

OP(=O)=O

InChI

1S/HO3P/c1-4(2)3/h(H,1,2,3)

InChI key

UEZVMMHDMIWARA-UHFFFAOYSA-N

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This Item
79613M6288239275
meta-Phosphoric acid purum, ~65% HPO3 basis, pieces

Sigma-Aldrich

79615

meta-Phosphoric acid

meta-Phosphoric acid puriss. p.a., ACS reagent, ≥33.5% (T)

Sigma-Aldrich

79613

meta-Phosphoric acid

meta-Phosphoric acid BioXtra, ≥33.5%

Sigma-Aldrich

M6288

meta-Phosphoric acid

meta-Phosphoric acid ACS reagent, chips, 33.5-36.5%

Sigma-Aldrich

239275

meta-Phosphoric acid

form

pieces

form

crystalline

form

powder or crystals

form

chips

concentration

~65% (HPO3)

concentration

≥33.5% (T)

concentration

≥33.5%

concentration

33.5-36.5%

impurities

~35% (NaPO3)

impurities

-

impurities

<0.1% Insoluble matter

impurities

-

solubility

water: miscible

solubility

water: miscible

solubility

water: miscible

solubility

-

density

2 g/cm3

density

2 g/cm3

density

2 g/cm3

density

2 g/cm3

General description

meta-Phosphoric acid is a monobasic acid.2

Application

meta-Phosphoric acid has been used for the extraction of ascorbic acid from Dialium guineense fruit pulp in a study.

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Nutritional potential of wild fruit Dialium guineense.
Ayessou NC, et al.
J. Food Compos. Anal., 1-5 (2014)

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