巨胸爆乳美女露双奶头挤奶,中文字幕乱码亚洲无线三区,全国三级网站在线观看国产,老熟妇女出租屋啪,欧美日本乱伦中文,免费一级特黄特色黄大任片,欧美三级视频网站,无码乱人伦一区二区亚洲一,18 小泬破白浆流啪啪,高清国产综合日本




2-Methyltetrahydrofuran

Abbrevation: QF 
English name: 2-Methyltetrahydrofuran 
CAS: 96-47-9
Molecular formula: C5H10O
Applications:
In the synthesis of drugs, solvents, spices and electronic chemicals.
Specifications:
Contnet ≥99.5%;
Moisture≤0.03%
Product data:
Freezing point: -23℃,
Boiling point: 130-131℃,
Flash point: 33℃.
Soluble in alcohol, benzene and ether, poorly soluble in water. Has a smell similar to chloroform.
Packaging, transportation and storage:
Packing 170kg galvanized barrel, barrel weights 21kg.
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 6 months at temperature below 30°C.