Packaging and storage
Preserve in tight, light-resistant containers.
Solubility in 70 percent alcohol
One volume dissolves in 2 volumes of 70 percent alcohol.
Heavy metals, Method II 231:
0.004%.
Hydrocarbons
Dissolve 1 mL in 20 mL of 0.5 N sodium hydroxide in a stoppered, 50-mL tube, add 18 mL of water, and mix: a clear mixture results immediately, but it may become turbid when exposed to air.
Limit of phenol
Shake 1 mL with 20 mL of water, filter, and add 1 drop of
ferric chloride TS to 5 mL of the clear filtrate: the mixture exhibits a transient grayish green color but not a blue or violet color.