草莓视频国产-亚洲乱码国产乱码精品精不卡-HD免费看片,国产人成一区二区三区影院,你轻点太大太长太粗太硬,娇小12—13毛片

SZSE:002741
Chemical Reagents
1-Amino-2-naphthol-4-sulfonic acid?COA Report
  • CAS No.:116-63-2
  • Molecular weight:239.24
  • Aliases:1-Amino-2-hydroxy-4-napthalenesulfonic acid
  • Molecular formula:C10H9NO4S
  • EC No.:204-147-3
  • HS-No:29222100
Information
Specification category:
Product No. Product name specifications
1.14345.010 1-Amino-2-naphthol-4-sulfonic acid AR25g
Characteristic: Appearance and properties:White needles
pH: Not available
Melting point(℃): 295 o C
Boiling point(℃): 466 ℃
Solubility: insoluble in water, alcohol, ether, benzene, soluble in hot water, hot sodium bisulfite and alkali solution.
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1