一区二区三区av_国精日本亚洲欧州国产中文久久_亚洲精品一区在线观看_一级视频黄色_视频一区在线观看_91在线精品视频

Service hotline: 0571-86692169

Imidazole

Product Name: Imidazole
Product Name: Glyoxaline
Packing price: 25KG/RMB
Purity specification: 99%
Product Category: Pharmaceutical Intermediates
CAS: 288-32-4

Molecular formula: C3H4N2
Molecular weight: 68.0773
Properties: colorless prismatic crystal or yellowish crystal, soluble in water, weakly alkaline. Toxic, oral LD50: 18.80mg/kg in mice. LD50610mg/kg was injected, and its toxicity and protective methods were similar to those of ethylenediamine.
Uses: used as epoxy resin curing agent, widely used in computers, electrical appliances; as a rust inhibitor for copper for printed circuit boards and integrated circuits; as a raw material for pharmaceuticals, for the manufacture of antifungal agents, antifungal agents, low Blood sugar therapeutic drugs, artificial plasma, trichomoniasis therapeutic drugs, bronchial asthma therapeutic drugs, anti-leucorrhea agents, etc.; used as a raw material for pesticides, as a synergist for boric acid preparations, preparation of insecticides and fungicides; Used as a raw material for urea-formaldehyde resin curing agent, photographic drug, adhesive, paint, rubber vulcanizing agent, antistatic agent, etc.
Storage: Packed in wooden or glass bottles. Store in a cool, ventilated, dry place. Heat, moisture, sun, and collision.

主站蜘蛛池模板: 99视频在线播放 | 国产美女在线免费观看 | 海外华人永久免费视频 | 日插夜插| 久久99国产视频 | 国产视频精品免费 | 精品亚洲一区二区三区 | 一本大道大臿蕉香蕉网站 | jdav成人免费看 | 我想看一级毛片 | 免费看一级 | 香蕉免费在线视频 | 日本韩国免费观看 | 欧美a网| 国产精品处女 | 在线一区二区三区在线一区 | 五月天狠狠操 | 亚州毛片| 欧美精品日韩精品 | 天堂一区二区三区四区 | 欧美人一级淫片a免费播放 欧美人与动交tv | 综合网国产 | 精品久久精品 | 成人黄色电影在线观看 | 天堂在线资源最新版 | 日韩欧美在线不卡 | 国产婷婷 | 国产理论在线观看 | 免费三级毛片 | 欧美三级一级 | 欧美午夜理伦三级在线观看潘金莲 | 久草.com| freexx性xxx少妇hx | 啪啪免费网 | 一级免费网站 | 久操视频免费在线观看 | 我妈妈的女朋友 | 在线免费观看黄网 | 一级大片在线观看 | 91久久精品国产91性色tv | 日本一区视频在线观看 |