Description 1,3-Dimethyl-2-nitrobenzene, 98.5+%, by Sigma-Aldrich, 500g(Hazmat Fee Included in Price) For Research & Development Not for drug, clinical use in humans, for food or food additive use Specifications: TEST SPECIFICATION APPEARANCE COLORLESS TO YELLOW LIQUID INFRARED SPECTRUM CONFORMS TO STRUCTURE. GAS LIQUID 98.5% (MINIMUM) CAS: 81-20-9 FORMULA: (CH3)2C6H3NO2