It is secobarbital ,of barbiturate class. which is a class B drug if that's what you meant
Neither,It's a totally legal drug. You just have to be 18 to buy them.
No barbituates and benzodiazapines along with alcohol are classified as Depressants. The reason they are called depressants is because they depress or slow down your heart etc. Although both are...
Perscription Meds.
In the UK, heroin is a class A drug.