少妇口述:3p经历_久久一级片_亚洲欧美激情另类校园,男女无遮挡啪啪120秒,国产好爽又高潮了毛片91,精品一久久

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