成人网站免费观看,99e久热只有精品8在线直播,亚洲综合无码明星蕉在线视频,亚洲精品一区二区三区中文字幕

SZSE:002741
Chemical Reagents
Methyl acetate?COA Report
  • CAS No.: 79-20-9
  • Molecular weight:74.08
  • Aliases:Devoton; Methyl ester acetic acid; NSC 405071; Tereton;
  • Molecular formula:C3H6O2
  • UN Code:1231
  • EC No.:201-185-2
  • HS-No:2915390090
Information
Specification category:
Product No. Product name specifications
1.19127.013 Methyl acetate AR500mL
Characteristic: Appearance and properties:Colorless transparent liquid with flavor.
Relative density(water=1)?: 0.92
Relative vapor density(air=1)?: 2.55
Melting point(℃): -98.7
Boiling point(℃): 57.8
Concentration: pure
Saturated vapor pressure: 13.33(9.4℃)
Solubility: Slightly soluble in water, soluble in ethanol, ether, etc. Most organic solvents.
Heat of combustion(kJ/mol): 1593.4
Critical temperature(℃): 233.7
Critical pressure(MPa): 4.69
Technical indicators:
Item AR CP
Assay 99.0%~100.5% 98.0%~100.5%
Boiling range(95%) 138~143 138~143
Density(20℃)(g/cm3 ): 0.930~0.935 0.925~0.935
Residue on ignition ≤0.002% ≤0.005%
Acidity(as H+) ≤0.08% ≤0.16%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
精品国产av无码一区二区三区| 精品午夜国产福利在线观看| 狠狠噜天天噜日日噜av| 国产午夜福利精品久久| 久久久久琪琪去精品色一到本| 国精品人妻无码一区二区三区d3 | 国模大尺度福利视频在线| 国产在线视频福利资源站| 消息称老熟妇乱视频一区二区 | 丁香五月缴情在线| 日韩激情无码不卡码| 成人无码精品免费视频在线观看| 婷婷97狠狠成人免费视频| 77777熟女视频在线观看 | 四虎永久在线精品免费一区二区| 久久激情综合狠狠爱五月| 久久久久久99av无码免费网站| 丰满少妇人妻hd高清大乳在线| 成人免费视频一区二区| 久久亚洲精品中文字幕波多野结衣| 国产成人8x人网站视频在线观看| 久久精品国产2020观看福利| 欧洲国产伦久久久久久久| 影音先锋女人av鲁色资源网久久 | 久久久欧美国产精品人妻| 初尝人妻少妇中文字幕| 中文字幕欧美人妻精品一区| 午夜美女裸体福利视频| 99亚洲精品卡2卡三卡4卡2卡| 好日子在线观看视频大全免费动漫| 自拍区小说区图片区亚洲| 中文字幕无码成人免费视频| 男人一边吃奶一边做爰免费视频| 国产精品久久久久蜜芽| 国产偷国产偷亚洲清高| 色宅男看片午夜大片啪啪| 重口sm一区二区三区视频| 中文字幕一区在线观看视频| 亚洲成av人片在线观看天堂无| 欧美人与性动交ccoo| 色综合天天综合网国产|