Code: gb/t 14156-93(i 1485); cas 106-70-7; fema 2708; un 1993; hs 29159000; Molecular formula: c7h14o2; Molecular weight: 130.19; Description: colorless liquid. It is dissolved in ethanol and aether, but it isn't dissolved in water; Natural existence in pineapple, etc; Melting point: -71f¦; Boiling point: 151.2f¦; Flash point: 42f¦; Assay: fª98.0%; Specific gravity/density·+25/25f¦·¼: 0.8840f+0.8850; Refractive index·+20f¦·¼: 1.4047f+1.4067; Use: gb 2760-1996 temporarily stipulates it as food flavor, mainly used in flavors for pineapple, apricot, etc. Packing: 175kg, 170kg, 22kg per polythene drum, or at the requirement of customers. Usage limit: 1f=fema(mg/kg): soft drink4.1; cold drink8.5; candy5.3; roast food20; pudding93; gum530; 2f=in the limit of moderation·+fdaf8172.515, 2000·¼; Toxicity: gras(fema).