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
Ethylene glycol dimethyl ether?COA Report
  • CAS No.:110-71-4
  • Molecular weight:90.12
  • Molecular formula:C4H10O2
  • UN Code:2252
  • EC No.:203-794-9
  • HS-No:29091990
Information
Specification category:
Product No. Product name specifications
1.17398.023 Ethylene glycol dimethyl ether AR500mL
Characteristic: Appearance and properties:Colorless liquid, slightly ether.
Relative density(water=1)?:0.87
Relative vapor density(air=1):3.11
Melting point(℃):-69
Boiling point(℃):83
Concentration:pure product
Saturated vapor pressure:6.40(20℃)
Solubility:Soluble in water, hydrocarbon.
Combustion heat(kJ/mol):2516.7
Critical temperature(℃):362
Critical pressure(MPa):3.87
Technical indicators:
Item AR CP
Assay(C4H10O2) ≥99.0% ≥98.0%
Density(20℃),g/mL 0.865~0.868 0.865~0.868
Refractive index(n20D) 1.379~1.382 1.379~1.382
Boiling point,℃ 84~86 84~86
Solubility test in water Pass Pass
Solubility test in ethanol Pass Pass
Residue on evaporation ≤0.005% ≤0.005%
Acidity and alkalinity Pass Pass
Peroxide(as H2O2) ≤0.005% ≤0.005%
Water ≤0.2% ≤0.5%
Hazard characteristics:

IATA-DGR UN 2252 1,2-DIMETHOXYETHANE,3,Ⅱ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
色欲av无码一区二区三区| 最大胆裸体人体牲交免费| 337人体做爰大胆视频| 一本久久知道综合久久| 医院人妻闷声隔着帘子被中出| 深爱激情久久综合玖玖爱| 又污又爽又黄的网站| 亚洲 国产 制服 丝袜 一区| 亚洲av天天做在线观看| 丝袜a∨在线一区二区三区不卡| 国产欧美日韩亚洲一区二区三区| 尹人香蕉久久99天天拍| 女人的天堂av青青草| 亚洲国产精品成人av在线| 亚洲男同志网站| 国产看真人毛片爱做a片| 精品毛片乱码1区2区3区| 欧美xxxx精品另类| 精品乱子伦一区二区三区| 色欲网天天无码av| 亚洲精品久久婷婷丁香51| 精品久久久久久久久中文字幕 | 久久性爱视频| 国产成人一区二区三区视频免费| 国产丰满乱子伦无码专| 一区二区三区日本国产| 国产va免费精品观看精品| 亚洲高清自偷揄拍自拍| 亚洲欧美另类久久久精品| 色偷偷亚洲av男人的天堂| 国产在线精品一区二区不卡麻豆| 国产无遮挡又黄又湿又爽毛片| 最新精品国偷自产在线| 日本熟女一区二区视频| 樱桃视频影视在线观看免费| 人妻熟妇精品免费观看| 男女无遮挡xx00动态图120秒| 精国产品一区二区三区a片| 久久婷婷五月综合色国产| 99久久精品国产综合| 一边啪啪一边呻吟av夜夜嗨|