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-Propenoicacid, 2-methyl-, 1,4-butanediyl ester (9CI)

Abbrevation: BDDMA 
English name: 2-Propenoicacid, 2-methyl-, 1,4-butanediyl ester (9CI)
CAS: 2082-81-7 
Molecular formula: C12H18O4
Applications:
This product is mainly used in plastic and rubber industries. It can be used as crosslinking agent of dental materials, emulsion copolymers, paper, rubber modifiers, adhesives, inks and optical polymers.
Specifications:
Purity: ≥99.0%(GC);
Acid value: ≤0.1%(as methacrylic acid);
Water content: ≤0.05%;
Color: ≤70(Pt-Co);
Polymerization inhibitor: 100±10 ppm MEHQ
Product data:
Boiling point: 132-134ºC(4MMHG)
Refractive index: 1.456
Flash point: 110ºC
Density: 1.023
Packaging, transportation and storage:
Packing: 200kg.
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.