成在线人永久免费播放视频,国产精品中文字幕,真实国产精品视频400部,日韩激情欧美激情,97视频热人人精品免费,日韩人妻无码中文字幕视频,国产亚洲视频在线观看网址,免费女人自慰网站,天天爽夜夜爽人人爽爽网址,欧美多人群p刺激交换电影

Welcome to Ganfeng Lithium Group Co., Ltd.!(A share code: 002460 | H share code: 01772)
Product category
Sec-butyl lithium
Product introduction

Sec-butyl lithium (sec-C4H9Li), molecular weight: 64.0553, flash point: -17°C, density 0.769g/ml (25/4°C), appearance is colorless or light yellow liquid, through chlorinated isobutane and metal Lithium is prepared by reaction in hydrocarbon solvents. The sec-butyllithium solution must be used carefully to avoid contact with water or air. It is easy to ignite spontaneously in the air. Contact with water will immediately detonate the flammable solvent. It is widely used in the organic catalytic reaction of pharmaceutical intermediates, liquid crystal monomers, pesticides and rubber industry.

Product category and standards

Product technical indicators:
Content: 1.0~1.3 Mol/L; Basic impurities: ≤1.0% (max); Covalent chlorine and Cl-: ≤0.1% (max).

Product packaging

Specifications:

1.3M (n-hexane) chemical reagent


Product packaging:

500ml reagent bottle, 30L—500L steel bottle

Follow Us
WeChat official account
top