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
Ethyl lactate?COA Report
  • CAS No.:687-47-8
  • Molecular weight:118.13
  • Aliases:(S)-(-)-2-Hydroxypropionic acid ethyl ester
  • Molecular formula:C5H10O3 
  • EC No.:211-694-1
  • HS-No:2918110000
Information
Specification category:
Product No. Product name specifications
1.19139.023 Ethyl lactate CP500ml
Characteristic: Appearance and properties:Colorless liquid, a slight odor.
Relative density(water=1)?: 1.02~1.04
Relative vapor density(air=1)?: 4.07
Melting point(℃): -26
Boiling point(℃): 154
Concentration: Pure
Solubility: Miscible with water, soluble in alcohol, aromatics, esters, hydrocarbons, oils.
Heat of combustion(kJ/mol): 2736.6
Technical indicators:
Item AR CP
Assay ≥99.0% ≥99.0%
Density(20℃)(g/cm3 ): 1.032~1.036 1.029~1.036
Boiling range(95%) 149~157 147~157
Refractive index 1.411~1.413 1.411~1.413
Mixture test Pass Pass
Water ≤0.3% ≤0.5%
Acidity[as CH3CH(OH)COOH] ≤0.05% ≤0.1%
RResidue on ignition ≤0.005% ≤0.01%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
亚洲国产成人精品无码区在线观看| 亚洲成a人片在线观看无码3d| 国产特级毛片aaaaaaa高清| 亚洲精品拍拍央视网出文| 国产自偷自偷免费一区| 伊人成色综合网| 国内精品久久毛片一区二区| 国产做床爱无遮挡免费视频| 亚洲国产成人久久一区| 狠狠色婷婷久久综合频道日韩| 国产又黄又爽胸又大免费视频| 久久aⅴ无码av高潮av喷吹| 法国少妇xxxx做受| 国产精品久久久久久无码五月| 久久99亚洲精品久久99果| 中文字幕无码精品亚洲35| 国产精品久久久久久超碰| 亚洲日产韩国一二三四区| 精品国产这么小也不放过| 国产精品一区二区无线| 亚洲成a人片77777国产| 国产野战无套av毛片| 国产乱人伦在线播放| 欧产日产国产精品| 久久亚洲色www成人不卡| 蜜臀av一区二区| 极品少妇xxxx| 99re6在线视频精品免费| 亚洲日本一本dvd高清| 麻豆画精品传媒2021一二三区| 97欧美精品系列一区二区| 无码人妻一区二区三区av | 日本丰满熟妇videossex| 午夜a理论片在线播放| 婷婷五月日韩av永久免费| 国产精品成人片在线观看| 久久青草国产免费频观| 亚洲旡码av中文字幕| 人人妻人人澡人人爽人人精品| 亚洲精品久久久久久久观小说 | 国产精品久久久久高潮|