在线无码一区二区三区不卡|国产精品爽爽久久久久久竹菊|中文字幕在线无码一区二区三区|中文字幕精品无码一区二区

SZSE:002741
Chemical Reagents
Diethyl ether?COA Report
  • CAS No.: 60-29-7
  • Molecular weight:74.12
  • Molecular formula:C4H10O
  • UN Code:1155
  • EC No.:200-467-2
  • HS-No:29091100
Information
Specification category:
Product No. Product name specifications
1.17301.013 Diethyl ether AR500mL
1.17301.023 Diethyl ether AR2.5L
1.17301.053 Diethyl ether(For optical) AR500mL
Characteristic: Appearance and properties:colorless transparent liquid with aromatic odor,easily volatile.
Relative density(water=1):0.71
Relative vapor density(air=1):2.56
Melting point(℃):-116.2
Boiling point(℃):34.6
Concentration:pure product
Saturated vapor pressure:58.92(20℃)
Solubility:slightly soluble in water,soluble in alcohol,benzene,chloroform and most organic solvents.
combustion heat(kJ/mol):2748.4
Critical temperature(℃):194
Critical pressure(MPa):3.61
Technical indicators:
Item AR CP
Assay ≥99.0% ≥98.5%
Chroma, Hazen ≤10 ≤20
Density(20℃),g/mL 0.713~0.715 0.713~0.717
Evaporation residue ≤0.001% ≤0.001%
Water(H2O) ≤0.2% ≤0.3%
Acidity(as H+), mmol/100g ≤0.02 ≤0.05
Methanol(CH3OH) ≤0.02% ≤0.05%
Ethanol(CH3CH2OH) ≤0.3% ≤0.5%
Carbonyl compounds(as CO) ≤0.001% ≤0.002%
Peroxide(as H2O2) ≤0.00003% ≤0.0001%
Readily carbonizable substances Pass Pass
Hazard characteristics:

IATA-DGR UN 1155 DIETHYL ETHER,3,Ⅰ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
亚洲不卡中文字幕无码| 日本在线观看| 亚洲欧洲日产国码av系列天堂| www国产亚洲精品| 夜夜未满十八勿进的爽爽影院| 久久成人国产精品| 久久久久亚洲av成人无码电影| 有码视频一区二区三区| 亚洲中文字幕无码一久久区| 亚洲中文字幕精品久久| 国产一区二区三区四区五区vm| av大片在线无码免费| 久久久久久久极品内射| 性欧美大战久久久久久久| 久久亚洲私人国产精品| 99久久精品费精品国产一区二区| 无码超级大爆乳在线播放| 精品国产乱码久久久久久免费 | 久久这里精品国产99丫e6 | 中文字幕永久一区二区三区| 久久亚洲精品无码va白人极品 | 少妇与黑人一二三区无码| 色爱无码av综合区| 欧美最猛性xxxxx免费| 大香伊蕉国产av| 无码gogo大胆啪啪艺术| 被c到高潮疯狂喷水国产| 一本色道久久88加勒比—综合| 在线亚洲午夜片av大片| 久久精品国产99久久久| 成人午夜特黄aaaaa片男男| 亚洲中文字幕综合日韩| 国产18禁黄网站免费观看| 久久精品免费视频久久| 国产成年无码av片在线| 亚洲v天堂v手机在线| 免费无毒永久av网站| 3d动漫精品啪啪一区二区免费| 青草黄色免费视濒在线| 一本久久a久久免费精品不卡| 内射毛片内射国产夫妻|