Description
49685 Sigma-Aldrich
Phosphoric acid
for HPLC, LiChropur™, 85%
Synonym: Orthophosphoric acid
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CAS Number 7664-38-2
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Linear Formula H3PO4
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Molecular Weight 98.00
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Beilstein/REAXYS Number 1921286
Description
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
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Legal Information
LiChropur is a trademark of Merck KGaA, Darmstadt, Germany
Properties
Related Categories | Analytical Reagents, Analytical/Chromatography,Chromatography Reagents & Solvents, HPLC Buffers and Reagents |
grade | for HPLC |
vapor density | 3.4 (vs air) |
vapor pressure | 2.2 mmHg ( 20 °C) |
5 mmHg ( 25 °C) | |
InChI Key | NBIIXXVUZAFLBC-UHFFFAOYSA-N |
assay | 85% |
85.0-90.0% (NaOH 1 M, T) | |
quality | LiChropur™ |
bp | 158 °C(lit.) |
mp | ~40 °C (lit.) |
density | 1.680-1.720 g/mL at 20 °C |
1.685 g/mL at 25 °C (lit.) | |
λ | neat |
UV absorption | λ: 210 nm Amax: ≤0.07 |
λ: 220 nm Amax: ≤0.06 | |
λ: 230 nm Amax: ≤0.05 | |
λ: 250 nm Amax: ≤0.04 | |
λ: 500 nm Amax: ≤0.02 |