国产又黄又潮娇喘视频在线观看2499_国产亚洲欧洲日韩在三区_好男人好资源手机在线观看_人妻中文字系列无码专区_超碰尤物点击进入_一级农村妇女牲交视频_亚洲欧美第一视频_超碰97男人免费_黄色毛片网站在线免费观看_激情网五月天激情五月

Categories: Ester
Product Name: Dibutyl maleate
CAS No.: 105-76-0
Structural Formula: 

Product Introduction: Our production techniques of Iso-butyl nitrite features unique design, shortest processing time and lowest cost. The product has taken the place of imported products and reagents. It is specially used as the raw material for new anticancer drugs intermediates and it has great potential markets. 

Quality index:

Property: Light yellow transparent liquid, relative density is 0.87, boiling point: 67°C, flash point is -21°C, soluble in ether, ethnol, insoluble in water, has special odor, can be easily decomposed in light. 

Danger: It is toxic and inflammable.

Extinguishing method: pls. use foams, carbon dioxide or sandy soil, and water is useless. 

Storage and precautions: Should be stored in cool and shady place, away from heat and fire, the most suitable temperature range for storage is 0°C-5°C, should be sealed and kept away from oxidants. Carry it with care and avoid damages to the package. 

Packing: In 200L plastic-lined iron drum, net weight is 170kg/drum.