Skip to Content
Merck
CN

431575

Sigma-Aldrich

meta-Phosphoric acid

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

Synonym(s):

Metaphosphoric acid

Sign Into View Organizational & Contract Pricing

Select a Size


About This Item

Linear Formula:
(HPO3)n
CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352106
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

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 (SO42-): ≤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

Looking for similar products? Visit Product Comparison Guide

General description

Meets A.C.S. reagent specifications.

Regulatory Information

新产品
This item has

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service