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
Ethyl acetate?COA Report
  • CAS No.：141-78-6
  • Molecular weight：88.10
  • Aliases：Acetic acid ethyl ester
  • Molecular formula：CH3COOC2H5
  • UN Code：1173
  • EC No.：205-500-4
  • HS-No：2915310000
Information
Specification category：
Product No. Product name specifications
1.19128.013 Ethyl acetate AR500mL
1.19128.023 Ethyl acetate AR2.5L
1.19128.033 Ethyl acetate AR20kg
1.19128.043 Ethyl acetate CP500mL
1.19128.073 Ethyl acetate CP20kg
1.19128.083 Ethyl acetate AR180kg
1.19128.163 Ethyl acetate Spec2.5L
1.19128.193 Ethyl acetate AR20L/Drum
1.19128.203 Ethyl acetate Industrial Grade20㎏/Drum
1.19128.203 Ethyl acetate Industrial Grade20㎏/Drum
Characteristic： Appearance and properties:Colorless liquid, aromatic odor, volatile.
Relative density(water=1)?: 0.90
Relative vapor density(air=1)?: 3.04
Melting point(℃): -83.6
Boiling point(℃): 77.2
Concentration: pure
Saturated vapor pressure: 13.33(27℃)
Solubility: Slightly soluble in water, soluble in alcohol, ketone, ether, chloroform, etc. Most organic solvents.
Heat of combustion(kJ/mol): 2244.2
Critical temperature(℃): 250.1
Critical pressure(MPa): 3.83
Technical indicators：
Item AR CP
Assay ≥99.5% ≥98.5%
Density(20℃)(g/cm3 ): 0.899～0.901 0.897～0.901
Chroma, Hazen ≤10 ≤20
Evaporation residue ≤0.0005% ≤0.002%
Water(H2O) ≤0.1% ≤0.4%
Acidity(as H+), mmol/100g ≤0.0008 ≤0.0008
Methanol(CH3OH) ≤0.1% ≤0.2%
Ethanol(CH3CH2OH) ≤0.1% ≤0.5%
Methyl acetate(CH3COOCH3) ≤0.1% ≤0.3%
Readily carbonizable substances Pass Pass
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
亚洲色大成网站www永久网站| 又大又粗欧美黑人aaaaa片| 女女互磨互喷水高潮les呻吟| www.-级毛片线天内射视视| 国产亚洲精品aaaa片app| 真人性囗交69视频| 女人的天堂av在线播放| 丁香色婷婷国产精品视频| 三级国产三级在线| 免费观看成人毛片a片| 久久综合九色综合国产| 人妻丰满被色诱中文字幕 | 少妇把腿扒开让我舔18| 小泽玛利亚一区二区在线观看| 欧美一区二区三区红桃小说| 日本成熟少妇激情视频免费看| 中文字幕+乱码+中文乱码www| 无码国产精品一区二区免费vr| 亚洲精品无码不卡| 用舌头去添高潮无码av在线观看| 老师脱了内裤让我进去| 久久99精品久久久久子伦| 久久不见久久见中文字幕免费| 久久国产36精品色熟妇| 国产成人无码精品久久二区三区 | A级毛片免费完整视频| 露脸叫床粗话东北少妇| 无码一区二区三区中文字幕| 国产96在线 | 亚洲| 色噜噜狠狠狠狠色综合久| 护士又紧又深又湿又爽| 国产午夜福利片1000无码| 国产精品久久久久久av福利 | 麻豆精品久久久久久久99蜜桃| 亚洲精品v欧洲精品v日韩精品| 国产精品三级在线观看无码| 护士脱了内裤让我爽了一夜视频| 成品人视频ww入口| 99精品久久99久久久久| 国产一区二区精品久久岳| 亚洲精品夜夜夜妓女网|