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431575

meta-Phosphoric acid

Name: meta-Phosphoric acid
Brand: ALDRICH

33.5-36.5% (HPO₃)_n basis, chips, 99.99%

Synonym(s):

Metaphosphoric acid

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About This Item

Linear Formula:

(HPO₃)_n

CAS Number:

37267-86-0

EC Number:

253-433-4

UNSPSC Code:

12352106

MDL number:

MFCD00011351

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Properties

assay

99.99%

form

chips

contains

57.0-63.0% sodium phosphite

concentration

33.5-36.5% ((HPO₃)_n)

impurities

<100 ppm total metallic impurities

anion traces

MnO₄^- reducers: ≤0.02%, chloride (Cl^-): ≤0.001%, nitrate (NO₃^-): ≤0.001%, sulfate (SO₄^2-): ≤0.005%

cation traces

As: ≤1 ppm, Fe: ≤0.005%, heavy metals: ≤0.005%

SMILES string

OP(=O)=O

InChI

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

InChI key

UEZVMMHDMIWARA-UHFFFAOYSA-N

Description

General description

Meets A.C.S. reagent specifications.

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Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number

04923LG

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