meta-Phosphoric acid 33.5-36.5% stabilized, BAKER ANALYZED® ACS, J.T.Baker®

Supplier: AVANTOR PERFORMANCE MATERIALS US
Danger

Synonyms: Metaphosphoric acid

Management of Change (MOC) category = N

0252-01 0252-05
JT0252-1CS 4120.15 USD
JT0252-1 JT0252-5
meta-Phosphoric acid 33.5-36.5% stabilized, BAKER ANALYZED® ACS, J.T.Baker®
meta-Phosphoric acid

Stabilized with sodium metaphosphate. Lot analysis on label.

Formula: (HPO₃)n
MW: 79.98 g/mol
Boiling Pt: 260 °C (1013 hPa)
Melting Pt: 21 °C
Density: 2.4 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00011351
CAS Number: 37267-86-0
EINECS: 253-433-4
UN: 3260
ADR: 8,III

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Specification Test Results

Meets ACS Reagent Chemical Requirements
For Laboratory,Research,or Manufacturing Use
ACS - Assay (HPO₃) (by acidimetry) 33.5 - 36.5 %
ACS - Stabilizer (as NaPO₃) 57.0 - 63.0 %
ACS - Nitrate (NO₃) ≤0.001 %
ACS - Sulfate (SO₄) ≤0.005 %
ACS - Chloride (Cl) ≤0.001 %
Trace Impurities - Arsenic (As) ≤1 ppm
Heavy Metals (as Pb) ≤0.005 %
Trace Impurities - Iron (Fe) ≤0.005 %
Substances Reducing Permanganate (as H₃PO₃) ≤0.02 %
This product contains as a stabilizer a somewhat greater proportion of sodiummetaphosphate than that corresponding to the formula NaH(PO₃)₂.

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