Commodity name: N-Butanol CAS No.: 71-36-3 Chemical Formular: CH3CH2CH2CH2OH Appearance: Colourless Liquid with Vinosity Specification: Item HPLC grade GR grade ARgrade CP grade Purity % min 99.9% 99.5% 99.5% 98% Density( 20 ) g/ ml 0.808-0.814 0.784-0.786 0.808-0.811 0.808-0.811 Refractive index ( n20D) 1.398-1.400 ------- ------- ------- Boiling Point ( ) 177± 1 ------- ------- ------- Evaporation Residue % max 0.001 0.0005% 0.001% 0.005% Moisture Content % max 0.05% 0.1% 0.2% ------- Easy carbonized materials ------- Pass test Pass test Pass test Acidity( H+ ) mmol/ 100g ------- 0.0003% 0.05% 0.15% Iron ( Fe) % ------- 0.00003% 0.00005% 0.0001% Ester( CH3COOC4H9) max ------- -- ----- 0.1% 0.3% Chroma, black unit max ------- ------- 10 15