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
n-Butanol?COA Report
  • CAS No.: 71-36-3
  • Molecular weight:74.12
  • Molecular formula:C4H10O
  • UN Code:1120
  • EC No.:200-751-6
  • HS-No:29051300
Information
Specification category:
Product No. Product name specifications
1.17030.023 n-Butanol AR500ml
1.17030.033 n-Butanol CP500ml
1.17030.053 n-Butanol AR2.5L
1.17030.093 n-Butanol AR20kg
1.17030.103 n-Butanol CP20kg
1.17030.123 n-Butanol AR200L
Characteristic: Appearance and properties:Colorless transparent liquid with special smell.
Relative density(water=1): 0.81
Relative vapor density(air=1): 2.55
Melting point: -88.9
Boiling Point: 117.5
Concentration: Pure
Saturated vapor Pressure: 0.82 (25 ℃)
Solubility: soluble in water, soluble in alcohol, ether, most organic solvents.
Heat of combustion (kJ / mol): 2673.2
Critical temperature (℃): 287
Critical pressure (MPa): 4.90
Technical indicators:
Item AR CP
Assay ≥99.5% ≥98.0%
Chroma, Hazen ≤10 ≤15
Density(20℃),g/ml 0.808~0.811 0.808~0.811
Evaporation residue ≤0.001% ≤0.005%
Water (H2O) ≤0.2% --
Acidity(as H+),mmol/g ≤0.0005 ≤0.0015
Carbonyl compounds(as CO) ≤0.02% ≤0.04%
Ester(as CH3COOC4H9) ≤0.1% ≤0.3%
Unsaturated compounds(as Br) ≤0.005% ≤0.05%
Iron(Fe) ≤0.00005% ≤0.0001%
Readily carbonizable substances Qualified Qualified
Hazard characteristics:

IATA-DGR UN 1120 BUTANOLS,3,Ⅲ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
亚洲处破女av日韩精品| 久久精品网站免费观看| 精品亚洲一区二区三区在线观看| 国产精品理论片在线观看| 色欲αv一区二区三区天美传媒| 图片区小说区av区| 精品性高朝久久久久久久| 精品含羞草免费视频观看| 久久无码高潮喷水| 亚洲日韩看片无码超清| 日韩成人无码影院| 成人区精品一区二区不卡av免费| 久久99九九精品久久久久蜜桃| 国产99久一区二区三区a片| 国产69精品久久久久9999| 亚洲人成网站18禁止| 久久www成人免费网站| 少妇的渴望hd高清在线播放| 亚洲欧美日韩国产另类电影 | 无套中出丰满人妻无码| 久久综合亚洲鲁鲁九月天| 性一交一乱一伦一色一情孩交| 伦伦影院午夜理论片| 久久精品无码精品免费专区| 亚洲精品成av人片天堂无码| 粉嫩萝控精品福利网站| 欧美成人在线观看| 一区一区三区产品乱码| 青草草97久热精品视频| 欧美熟女视频| 色综合欧美亚洲国产| 久久精品久久电影免费理论片| 麻豆成人久久精品二区三区免费| 亚洲精品偷拍影视在线观看| 亚洲国产精品久久久久婷婷图片| 午夜久久久久久禁播电影| 亚洲 暴爽 av人人爽日日碰| 热99re久久免费视精品频| 亚洲高清码在线精品av| 日韩精品中文字幕无码专区| 国产内射一区亚洲|