久久99精品久久久久久hb亚瑟-免费看无码毛视频成片-99热这里只有精品免费播放-亚洲精品少妇高清30p-国产午夜福利精品久久2021

SZSE:002741
Chemical Reagents
Diethyl ether?anhydrous 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
1.17341.013 Diethyl ether?anhydrous AR500mL
1.17341.023 Diethyl ether?anhydrous AR2.5L
/Bottle
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,hloroform 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 v0.713~0.717
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
主站蜘蛛池模板: 精品国产一区二区三区久久影院| 13小箩利洗澡无码视频网站免费 | 国产又粗又大又黄| 亚洲精品一区二区三区婷婷月| 久久精品国产99久久久小说| 国产精品视频永久免费播放| 国产爆乳无码一区二区麻豆 | 亚洲中文字幕在线精品2021| 久国产精品人妻aⅴ| 亚洲精品一区| 国内精品自在自线视频| 亚洲精品一品区二品区三品区| 五级黄高潮片90分钟视频| 亚洲综合成人婷婷五月在线观看| 久久久噜噜噜久久熟女色| 中文字幕网伦射乱中文| 成人亚洲a片v一区二区三区麻豆| 久久久久青草线蕉亚洲麻豆| 少妇粉嫩小泬白浆流出| 丝袜美腿精品国产一区| 精品免费看国产一区二区| 天天躁日日躁狠狠躁性色av| 色老头av亚洲一区二区男男| 欧美黑人性暴力猛交喷水黑人巨大| 亚洲成a人片在线观看无码| 无码av无码天堂资源网影音先锋 | 国产精品毛片在线完整版| 国产伦理一区二区| 青青青爽视频在线观看| 无码av免费一区二区三区试看| 亚洲女人天堂| 日本边添边摸边做边爱| 13小箩利洗澡无码视频网站免费| 亚洲愉拍99热成人精品| 国产精品久久久久久不卡盗摄| 亚洲精品四区麻豆文化传媒| 国产浮力第一页草草影院| 日日摸夜夜添夜夜添无码免费视频 | 国产在线不卡精品网站| 亚洲不卡av一区二区无码不卡| 亚洲午夜未满十八勿入网站2|