Phosphoric Acid

Linear Formula: H₃PO₄
CAS Number: 7664-38-2
Molecular Weight: 98.00
Vapor Density: 3.4 (vs. air)
Quality Segment: M-Clarity 100
Vapor Pressure: 2.2 mmHg (20 °C), 5 mmHg (25 °C)
Assay: 85%, 85.0–90.0% (NaOH 1 M, T)
Form: Liquid
Quality: LiChropur™
Techniques: Suitable for LC/MS, ion chromatography, and HPLC
Boiling Point: 158 °C (lit.)
Melting Point: ~40 °C (lit.)
Density: 1.680–1.720 g/mL at 20 °C, 1.685 g/mL at 25 °C (lit.)
Wavelength (λ): Neat
UV Absorption: 210 nm Amax ≤0.07, 220 nm Amax ≤0.06, 230 nm Amax ≤0.05, 250 nm Amax ≤0.04, 500 nm Amax ≤0.02

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