大地资源第三页高清在线观看免费,大地影视中文资源6,大地二资源在线高清免费,大地资源高清在线视频,大地二资源在线高清国语版,大地第二资源在线播放免费观看

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
欢迎光临: 建始县| 大渡口区| 晋城| 台州市| 偃师市| 西丰县| 辽阳县| 灵寿县| 肥乡县| 镇坪县| 华宁县| 临颍县| 乾安县| 台北县| 子长县| 梧州市| 铁岭市| 道孚县| 柳江县| 通河县| 石林| 淮滨县| 无锡市| 黎平县| 海林市| 永丰县| 肃南| 福清市| 延长县| 东乌珠穆沁旗| 育儿| 惠东县| 阿拉尔市| 保靖县| 特克斯县| 淄博市| 洱源县| 西乡县| 津南区| 宁海县| 海晏县|