天堂а√中文最新版地址在线_男男体育生乱yin高h肉汁_岛国三级在线观看_趁女朋友洗澡c她闺蜜_亚洲欧美激情第一欧美精品_粉嫩无套白浆潮喷蜜桃AV_日本黄级天堂_少妇激情高潮尖叫正在播放_噜噜久久亚洲精品_日本免费一区二区三区免费




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.