Caffeine, aka:

H-PURINE-2,6-DIONE, 3,7-DIHYDRO-1,3,7-TRIMETHYL-;
1H-PURINE-2,6-DIONE,3,7-DIHYDRO-1,3,7-TRIMETHYL-, THEINE;
3,7-DIHYDRO-1,3,7-TRIMETHYL-1H-PURINE-2,6-DIONE;
1,3,7-TRIMETHYL-2,6-DIOXOPURINE; 1,3,7-TRIMETHYLXANTHINE;
TRIMETHYLXANTHINE;
7-METHYLTHEOPHYLLINE;
METHYLTHEOBROMINE;
GUARANINE;
C8H10N4O2

It has a boiling point of 352 F (178 C) (sublimes), a melting point of 460 F (238 C), and a specific gravity of 1.2. Slight fire hazard when exposed to heat or flame.

<cough> I'm ok. really. I promise. what??? I only had one cup. promise. really. stop looking at me like that... that is not my mug! where? I don't see any! quick, KILLIT!!HITIT!!HIT!!DIE!!!!