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
日本阿v片在线播放免费| 成在人线av无码免费看网站直播 | 久久视频这里只精品| 国产午夜人做人免费视频| 久久久亚洲欧洲日产国码aⅴ| 欧美奶涨边摸边做爰视频 | 国产精品白丝av在线观看播放 | 隔壁人妻被水电工征服| 日日碰狠狠躁久久躁综合网| 亚洲成av人片在线观看橙子| 久久久无码视频| 国产无遮挡a片又黄又爽漫画 | 成人亚洲欧美日韩在线观看| av无码久久久久久不卡网站| 一本一道久久综合久久| 国语自产精品视频在线第100页| 国产亚洲精品线观看动态图| 色一情一区二| 又黄又爽又猛的视频免费| 中文在线中文资源| 亚洲精品一区二区三区在线| 亚洲国产无套无码av电影| 午夜免费啪视频| 国产成人精品高清在线观看99 | 亚洲中文色欧另类欧美 | 无遮挡粉嫩小泬久久久久久久| 午夜亚洲国产理论片中文| 亚洲色大成永久ww网站| 任你躁久久精品6| 亚洲人成色77777在线观看| 茄子视频国产在线观看| 人人做人人爽久久久精品| 亚洲中文字幕无码天堂男人| 午夜天堂av天堂久久久| 国产三级片视频| 无码人妻丰满熟妇区毛片18| 手机国产丰满乱子伦免费视频| 亚洲人成伊人成综合网76| 亚洲色无码专区一区| 日韩成人av无码一区二区三区 | 人妻少妇精品无码专区app|