Methylene blue
CAS:61-73-4 Product spec:MF:C16H18ClN3S•3H2O
Methylene blue(C16H18ClN3S):98.0%min
Indicator range: qualified
Loss on drying:15.0%max
Residue on ignition (as sulfate): 0.5%max
As: 0.0005%max
Zn: 0.02%max
Cu: 0.03%max
Methanol-soluble test..
Sudan I
CAS:842-07-9 Product spec:Dark red powder
Product name: Sudan I, Solvent Yellow 14
CAS No: 842-07-9
Appearance: Dark red powder
Molecular Formula: C16H12N2O
Molecular Weight: 248.28
Biological staining test: qualified
Pigment Blue 61
CAS:1324-76-1 Product spec:MF: C37H29N3O3S
Appearance: Blue powder
Biological staining test: Qualified
Ethanol and hot-water soluble test: Qualified
Insoluble substance in ethanol: 1.5%max
Tinting strength: 100±2
Package: 25kg plastic dru..
Methyl Blue
CAS:28983-56-4 Product spec:MF: C37H27N3Na2O9S3
Biological staining test: qualified
m-Cresol purple
CAS:2303-01-7 Product spec:MF: C21H18O5S
Product name:m-Cresol purple
CAS No. 2303-01-7
MF: C21H18O5S
Basic Brown 1
CAS:10114-58-6 Product spec:10114-58-6
Molecular Formula: C18H18N8.2(HCl)
Sudan IV
CAS:85-83-6 Product spec:85-83-6
Product name: Sudan IV, Solvent Red 24
CAS No: 85-83-6
Molecular Formula: C24H20N4O
Molecular Weight: 380.45
Biological staining test: qualified
Sudan Ⅲ
CAS:85-86-9 Product spec:Molecular formula: C22H16N4O
Molecular formula: C22H16N4O
Molecular weight: 352.40
Biological staining test: qualified
Pyrocatechol Violet
CAS:115-41-3 Product spec:MF: C19H14O7S
MW: 386.38
Bismuth (Bi) sensitivity test: qualified
Sensitivity test to acid and alkali: qualified
Water soluble test: qualified
Residue on ignition(as sulfate): 0.4%max
Eriochrome Black T
CAS:1787-61-7 Product spec:MW: 416.38
Water soluble test:qualified
Ethanol soluble test: qualified
Sensitive test: qualified
Residue on ignition(as sulfate): 20%max