N-pentane (normal pentane) Description: Appearance:colorless transparent liquid Content: â?¥95% or high purity â?¥99% Other Hydro Carbon %: â?¤1 Total Oleffine %: â?¤0.1 Moisture % : â?¤0.01 Color Saybolt : â?¥+30 Cu-Currosion : â?¤1a Total Sulfur :â?¤0.001 CAS NO.: 109-66-0 HS CODE: 290110 Country of origin: China/South Korea Annual output: 5500 tons