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
  • CAS No.:1330-20-7
  • Molecular weight:106.17
  • Molecular formula:C3H10
  • UN Code:1307
  • EC No.:215-535-7
  • HS-No:29024400
Information
Specification category:
Product No. Product name specifications
1.15634.023 Xylene AR500ml
1.15634.033 Xylene AR25L/Drum
1.15634.043 Xylene CP500ml
1.15634.053 Xylene AR2.5L
1.15634.073 Xylene AR20kg
1.15634.093 Xylene CP20kg/Drum
1.15634.123 Xylene AR500ml
Characteristic: Appearance and properties:liquid, colorless, aromatic odor.
Melting point(℃):> -34
Boiling point(℃):137-143
Flash point(℃):25
Upper explosive limit% (V/V):7.5
Density: 0.86g/cm3(20℃)
Relative vapor density(air=1)(air = 1):3.7
Ignition temperature(℃):~ 465
Lower explosive limit% (V/V):1.7
Saturated vapor pressure: 7.5(20℃)
Technical indicators:
Item AR CP
Assay(C8H10) ≥99.0% ≥99.0%
Chroma, Hazen ≤10 ≤20
Evaporation residue ≤0.001% ≤0.002%
Acidity(as H+)mmol/100g ≤0.025 ≤0.05
Alkalinity(as OH-)mmol/100g ≤0.025 ≤0.05
Readily carbonizable substance Qualified Qualified
Sulfide(as SO4) ≤0.006% ≤0.01%
Benzene(C6H6) ≤0.1% ≤0.2%
Toluene (C6H5CH3) ≤0.1% ≤0.5%
Ethyl benzene (C6H5C2H5) ≤19% ≤24%
Thiophene and homolog(as C4H4S) ≤0.0001% ≤0.0001%
Water(H2O) ≤0.03% ≤0.06%
Hazard characteristics:

IATA-DGR UN 1307 XYLENES,3,Ⅲ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
日韩人妻无码一区二区三区99| 国产偷国产偷亚洲清高| 亚洲欧洲美色一区二区三区| 18禁无遮挡无码国产免费网站| 久久高清内射无套| 亚洲欧美国产成人综合不卡| 少妇精品无码一区二区三区| 亚洲性人人天天夜夜摸| 欧美亚洲另类丝袜综合网| 亚洲国产一区二区三区在观看 | 7777久久亚洲中文字幕| 久久综合综合久久高清免费| 末成年女av片一区二区丫| 内射干少妇亚洲69xxx| av老司机亚洲精品天堂| 影音先锋亚洲成aⅴ无码| 亚洲人成人无码www| 97午夜理论片影院在线播放| 成人欧美一区二区三区| 大屁股国产白浆一二区| 亚洲无av码在线中文字幕| 亚洲伊人久久大香线蕉av| 天堂а√在线最新版中文在线| 无码av不卡免费播放| 久久无码中文字幕免费影院| 乱中年女人伦av一区二区| 国产精品免费久久久久软件| 日韩 欧美 动漫 国产 制服| 亚洲伊人久久精品影院| 美乳丰满人妻无码视频| 亚洲国产无线乱码在线观看| 久久久国产99久久国产久一| 99精品视频在线在线观看视频| 肉岳疯狂69式激情的高潮| 欧美激情一区二区三区aa片| 久久成人免费播放网站| 无码欧亚熟妇人妻av在线外遇 | 女人被狂躁c到高潮| 国产成熟人妻换╳╳╳╳| 朝鲜美女黑毛bbw| 国产亚洲精品久久久久久彩霞|