少妇口述:3p经历_久久一级片_亚洲欧美激情另类校园,男女无遮挡啪啪120秒,国产好爽又高潮了毛片91,精品一久久

SZSE:002741
Chemical Reagents
Methyl blue (C.I.42780)COA Report
  • CAS No.:28983-56-4
  • Molecular weight:799.80
  • Aliases: Methyl cotton blue,Bavarian blue,Sodium triphenyl-p-rosaniline trisulfoNot availablete,Ink blue,Brilliant cotton blue
  • Molecular formula:C37H27N3Na2O9S3
Information
Specification category:
Product No. Product name specifications
1.28624.010 Methyl blue (C.I.42780) BS10g
1.28624.030 Methyl blue (C.I.42780) BS25g
Characteristic: Appearance and properties: Solid, maroon
pH: ~ 5.0
Bulk density: ~ 670kg/m3
Hazard characteristics:

Hazardous characteristics: flammable. Health Hazards: Not available. Environmental Hazards: Not available. Explosion Hazards: Combustible.

Related Products

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