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
Formaldehyde solution?COA Report
  • CAS No.:50-00-0
  • Molecular weight:30.01
  • Molecular formula:CH2O
  • UN Code:2209
  • EC No.:200-001-8
  • HS-No:29121100
Information
Specification category:
Product No. Product name specifications
1.17701.018 Formaldehyde solution AR500mL
1.17701.028 Formaldehyde solution AR2.5L
1.17701.038 Formaldehyde solution CP2.5L
1.17701.048 Formaldehyde solution AR20L
1.17701.058 Formaldehyde solution AR500mL
1.17701.068 Formaldehyde solution CP500mL
1.17701.078 Formaldehyde solution CP25kg
1.17701.088 Formaldehyde solution AR25kg
1.17701.198 Formaldehyde solution CP20kg
1.17701.218 Formaldehyde solution CP220kg
1.17701.308 Formaldehyde solution CP180kg
1.17701.318 Formaldehyde solution AR200kg
1.17701.328 Formaldehyde solution CP25kg
1.17701.348 Formaldehyde solution AR10kg
Characteristic: Appearance and properties:colorless gas with a pungent and suffocating odor,commodity is an aqueous solution.
Relative density(water=1)?:0.82
Relative vapor density(air=1):1.07
Melting point(℃):-92
Boiling point(℃):-19.4
Concentration:pure product
Saturated vapor pressure:13.33(-57.3℃)
Solubility:soluble in water,and most organic solvents such as ethanol.
Combustion heat(kJ/mol):2345.0
Critical temperature(℃):137.2
Critical pressure(MPa):6.81
Technical indicators:
Item AR CP
Assay(HCOH) 37.0%~40.0% 36.0%~40.0%
Chroma, Hazen ≤15 ≤20
Residue on ignition ≤0.003% ≤0.005%
Acidity(as H+), mmol/100g ≤0.5 ≤0.5
Chloride(Cl) ≤0.0001% ≤0.0003%
Sulfate(SO4) ≤0.0004% ≤0.001%
Iron(Fe) ≤0.0001% ≤0.0003%
Lead(Pb) ≤0.0002% ≤0.0005%
Formaldehyde 10.0%~13.0% 10.0%~13.0%
Hazard characteristics:

IATA-DGR UN 2209 FORMALDEHYDE SOLUTION,8,Ⅲ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
久久99av无色码人妻蜜| 四虎永久在线精品免费观看| 中文字幕人妻熟女人妻| 后入内射国产一区二区| 18禁黄网站禁片免费观看女女| 天天爽天天摸天天碰| 久久av无码精品人妻系列| 亚洲色偷拍另类无码专区| 国产福利一区二区麻豆| 亚洲高清aⅴ日本欧美视频| 国产一区二区不卡在线看| 曰韩无码二三区中文字幕| 2020最新无码国产在线观看| 伊人蕉影院久亚洲高清| 国产精品成人永久在线四虎 | 国产白丝护士av在线网站| 尤物yw午夜国产精品视频| 狠狠躁夜夜人人爽天96| 久久久久国产a免费观看rela | 久久99精品久久久大学生| 国产思思99re99在线观看| 亚国产亚洲亚洲精品视频| 乱中年女人伦av三区| 香蕉伊蕉伊中文视频在线| 狠狠色综合久久久久尤物| 国产成人精品午夜二三区波多野 | 日韩午夜福利无码专区a| 成人国产精品一区二区免费看| 亚洲精品电影院| 亚洲免费精品aⅴ国产| 虎白女粉嫩尤物福利视频| 亚洲欧美精品伊人久久| 国产亚洲制服免视频| 精品性高朝久久久久久久| 中文字幕亚洲欧美专区| 无码亲近乱子伦免费视频在线观看| 久久久久琪琪去精品色无码| 国内少妇偷人精品免费| 亚欧乱色国产精品免费| 国产成人亚洲影院在线播放| 国产精品午夜剧场免费观看|