It can be used in producing Vitamin B1, chloroquine phosphate and primaquine phosphate. Molecular formula C5H6OOther name SylvanCAS NO. 534-22-5Molecular weight 82.10Hazard class 3.1 UN NO. 2301 HS Cod 29321900 Feature It is colorless liquid with the ethereal odor. It will change to yellow or even to black when exposed to light. It slight soluble to water, can mix soluble to alcohol, ether, ...