国产人免费人成免费视频喷水|国产欧美一区二区色老头|在线看片网站,日韩一区免费在线观看,国产色av,96国产精品

SZSE:002741
Chemical Reagents
Phthalic anhydride?COA Report
  • CAS No.:85-44-9
  • Molecular weight:148.11
  • Molecular formula:C8H4O3
  • UN Code:2214
  • EC No.:201-607-5
  • HS-No:29173500
Information
Specification category:
Product No. Product name specifications
1.19375.018 o-Phthalic anhydride? AR500g
Characteristic: Appearance and properties: white needle crystal.
Relative density: 1.53
Relative vapor density: 5.10
Melting point(℃): 131.2
Boiling point(℃): 295
Concentration: Content: a ≥ 99.7%; two ≥ 99.2%.
Vapor Pressure: 0.13 (96.5 ℃)
Solubility: insoluble in water, soluble in hot water, alcohol, ether, benzene, most organic solvents.
Technical indicators:
Item AR CP
Assay [CH(COO] ≥99.7% ≥99.0%
Melting point(℃)℃ 129~133(1℃) 129~133(2℃)
Residue on ignition(as SO4) ≤0.025% ≤0.05%
Chloride(Cl) ≤0.005% ≤0.01%
Sulfur compounds(as SO4) ≤0.001% ≤0.005%
Heavy metals(as Pb) ≤0.001% ≤0.005%
Hazard characteristics:

IATA-DGR UN 2214 PHTHALIC ANHYDRIDE,8,III

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
主站蜘蛛池模板: 宿松县| 乌什县| 赤峰市| 大英县| 长寿区| 嘉义市| 万载县| 高唐县| 竹溪县| 河北省| 梧州市| 河源市| 池州市| 佛教| 海阳市| 嘉定区| 余庆县| 射洪县| 招远市| 东丽区| 新巴尔虎左旗| 绿春县| 北川| 佛冈县| 紫金县| 安陆市| 同仁县| 昌平区| 渝北区| 台前县| 龙泉市| 文化| 邛崃市| 中牟县| 德惠市| 望谟县| 成都市| 哈巴河县| 福鼎市| 肥城市| 肥东县|