一级 片内射91网站,国产精品1000夫妇激情啪发布,姝姝窝人体色www国产,蜜桃AV秘 无码一区二区三区,精品 在线 一区_免费的黄色网站在线_手机看片在线看片91_男生操女生网站在线观看

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