431575
meta-Phosphoric acid
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:
EC Number:
253-433-4
UNSPSC Code:
12352106
MDL number:
InChI key
UEZVMMHDMIWARA-UHFFFAOYSA-N
InChI
1S/HO3P/c1-4(2)3/h(H,1,2,3)
SMILES string
OP(=O)=O
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%
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General description
Meets A.C.S. reagent specifications.
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