• British Pharmacopoeia Volume V
  • Appendices
  • Appendix I A. General Reagents

Propan-2-ol R1
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Propan-2-ol R1 Propan-2-ol complying with the following tests.

Refractive index About 1.378.

Transmittance Not less than 25% at 210 nm, 55% at 220 nm, 75% at 230 nm, 95% at 250 nm and 98% at 260 nm, determined using water in the reference cell.

Water Not more than 0.05% w/w, Appendix IX C. Use 10 g.