ΔE 17.9, loose: different enough that you should pick on purpose. Sanguine Scarlet is much more saturated, cooler than Molten Orange.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Sanguine Scarlet is much more saturated, cooler than Molten Orange.
The same difference applies the other way round: Molten Orange is much more muted, warmer.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Molten Orange on the colour wheel See Sanguine Scarlet on the colour wheel
All matches: Molten Orange equivalents · Sanguine Scarlet equivalents