国产乱人伦偷精品视频免下载_亚洲av无码一区二区三区天堂古代_欧美黑人性暴力猛交喷水_久久国产劲爆∧v内射_十八禁无码免费网站

Main Products

 Phenoxycyclotriphosphazene Poly(diphenoxy)phosphazene
PRODUCTS
Current Location: HOME >> PRODUCTS
Diphenylphosphine oxide
Structure type:

Product name: Diphenylphosphine oxide; Diphenylphosphane oxide; Diphenylphosphaneoxide

Abbreviation: GC-DPO, DPO

CAS NO.: 4559-70-0

Molecular formula: C12H11OP   

Molecular weight: 202.19

Physicochemical properties: white solid without obvious odor. Melting range is 50~56℃ (lit); boiling point is 329.2℃ (760 mmHg), flash point is 152.9℃.

Technical index:

    1. Appearance: white solid
    2. Content: ≥98.0%
    3. Drying loss: ≤0.2%   

Packing: 20KG/ bag or according to customer requirements packaging (remove the plastic bag)

Storage: keep in cool and dry place, tightly sealed.

Main uses: the product is an important organic phosphorus intermediate that is commonly used in preparing triphenylphosphine oxide Wittig-Horner reaction reagent, and etc.

< BACK >

 
點擊這里給我發消息
2393526842
 
 
 
 
主站蜘蛛池模板: 日韩精品乱码av一区二区| 中文字幕无码无码专区| 精品人妻码一区二区三区| 亚洲第一综合天堂另类专| 精品福利一区二区三区免费视频 | 精品国产三级a∨在线| 公粗挺进了我的密道在线播放贝壳| 国产午夜鲁丝片av无码免费| 乱熟女高潮一区二区在线| 牛牛视频一区二区三区| 亚洲熟女www一区二区三区| 精品少妇爆乳无码aⅴ区| 婷婷五月日韩av永久免费| 中文字幕人妻丝袜成熟乱| 男女做爰真人视频直播| 亚洲精品无码永久在线观看你懂的| 精品人妻伦九区久久aaa片69| 亚洲精品国偷拍自产在线观看| 97夜夜澡人人爽人人喊中国片| 欧美老熟妇牲交| 全部孕妇毛片| 熟女少妇精品一区二区| 中文在线√天堂| 久久久国产打桩机| 国产日产精品一区二区三区四区的特点| 精精国产xxxx视频在线播放| 成人亚洲欧美在线观看| 夜夜爽77777妓女免费看| 人人添人人澡人人澡人人人人| 色综合久久综合欧美综合网| 国产成人无码精品久久二区三区| 无码人妻一区二区三区在线视频| 亚洲欧美日韩国产成人精品影院| 国产乱人伦app精品久久| 国产喷水1区2区3区咪咪爱av| 精品国产三级a∨在线欧美| 精品国产欧美一区二区| 天天综合亚洲色在线精品| 国产成人午夜精华液| 少妇被躁爽到高潮无码文| 久久国产精品-国产精品|