Abbrevation: QB 
English name: 5-Chloro-2-pentanone
CAS: 5891-21-4
Molecular formula: C₅H₉CIO 
Applications:
The product is mainly used for the synthesis of chloroquine phosphate intermediates, 5-diethylamino-2-pentanone, cyclopropyl methyl ketone, cyclopropylacetylene and so on.
Specifications:
Content ≥97.0%;
Moisture≤0.5%
Product data:
Appearance: Light yellow to tan pure liquid;
Relative density: 1.0071;
Molecular weight: 102.5 
Packaging, transportation and storage:
Packing: net weight is 200kg, drum weight is 8.5kg.
Sun protection, rain protection and high temperature protection should be used during transportation.
The product should be stored in a cool, dark, ventilated place, kept away from fire.
Shelf life is 3 months at temperature under 30℃