国产亚洲精品小视频-麻豆乱婬一区二区三区-综合视频精品这里只有-美女张开腿张开腿让男人捅

SZSE:002741
Chemical Reagents
PyridineCOA Report
  • CAS No.:110-86-1
  • Molecular weight:79.10
  • Molecular formula:C5H5N
  • UN Code:1282
  • EC No.:203-809-9
  • HS-No:29333100
Information
Specification category:
Product No. Product name specifications
1.21102.023 Pyridine AR500mL
1.21102.033 Pyridine AR2.5L
Characteristic: Appearance and properties: colorless or slightly yellow liquid with odor.
Relative density: 0.98
Relative vapor density: 2.73
Melting point(℃): -42
Boiling point(℃): 115.3
Concentration: Pure
Saturated vapor pressure: 1.33/13.2 ℃
Solubility: soluble in water, alcohol, ether, etc. Most organic solvents.
Technical indicators:
Item AR CP
Assay (C5H4N) ≥99.5% ≥99.0%
Solubility in water Pass Pass
Evaporation residue ≤0.002% ≤0.004%
Water(H2O) ≤0.1% ≤0.2%
Chloride(Cl) ≤0.0005% ≤0.001%
Sulfate(SO4) ≤0.001% ≤0.002%
Ammonia(NH3) ≤0.002% ≤0.004%
Copper(Cu) Pass Pass
Substances reducing potassium permanganate Pass Pass
Hazard characteristics:

IATA-DGR UN 1282 PYRIDINE,3,II

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
铜梁县| 获嘉县| 深水埗区| 长丰县| 福鼎市| 盐津县| 望城县| 蓬安县| 尼木县| 绿春县| 尤溪县| 无极县| 巴里| 府谷县| 金川县| 宜良县| 长垣县| 汕尾市| 余干县| 山东| 文安县| 太湖县| 林州市| 霍林郭勒市| 嘉定区| 昌邑市| 沈丘县| 秦皇岛市| 宝清县| 依安县| 策勒县| 海阳市| 布尔津县| 万盛区| 新平| 南川市| 临朐县| 乐清市| 沧州市| 新巴尔虎右旗| 资讯 |