Explanatory notes
… ethyl ketone) 2914.13 ‑ ‑ 4‑Methylpentan‑2‑one (methyl isobutyl ketone) 2914.19 ‑ ‑ Other ‑ Cyclanic, … organic syntheses, for the manufacture of plastics, as a solvent for acetylene, acetylcellulose and resins, etc. … Both are colourless crystalline masses, translucent, soft to the touch, and with a characteristic odour. Natural …