(R)-(+)-2-Tetrahydrofuroic acid Cas:87392-05-0

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(R)-(+)-2-Tetrahydrofuroic acid

(S)-2-Tetrahydrofuroic acid
(2R)-Tetrahydro-2-furancarboxylic acid
2-Furancarboxylic acid, tetrahydro-, (2R)-
(S)-(-)-2-Tetrahydrofuroic acid
(2R)-Tetrahydrofuran-2-carboxylic acid
Molecular Formula:  C5H8O3
Molecular weight:116.11500

Appearance and Properties: Transparent to pale yellow liquid
Density: 1.209 g/mL at 25 °C(lit.)
Boiling point: 128-129 °C13 mm Hg(lit.)
Melting point: 128-129ºC 13 mm Hg(lit.)
Flash Point: >230 °F
Refractive index: n20/D 1.46(lit.)

Items of Analysis Standard of Analysis Test Results
Appearance Colorless to light yellow viscous liquid Light yellow Viscous liquid
Specific Rotation ≥ +21°(Chloroform 20 ℃) +24°
Water ≤ 0.5% 0.034%
Optial Purity ≥ 95.0% e.e 96.2% e.e
Assay ≥ 99.0% 99.5%
Conclusion Conforms to Factory Standard

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