Methylene blue
CAS:61-73-4 Product spec:98.0%min
MF:C16H18ClN3S•3H2O
MW: 373.9
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:..
Methyl red
CAS:493-52-7 Product spec:qualified
Molecular formula: C15H15O2N3
Molecular weight: 269.30
PH indicator range: 4.5(red)~6.2(yellow)
Residue on ignition (as sulfate): 0.2%max
Mass-absorption coefficient λ1(PH4.5),L(cm•g): 130min
..
Methyl Violet
CAS:603-47-4 Product spec:qualified
MF: C24H27N3.HCl
PH indicator range: 0.15(yellow)-3.2(purple)
Methanol-soluble test: qualified
Residue on ignition(as sulfate):1.0%max
Loss on drying:7.5% max
Methyl orange
CAS:547-58-0 Product spec:qualified
Molecular Formula: C14H14N3NaO3S
Molecular Weight: 327.33
Water-soluble test: qualified
Sensitive test: qualified
PH Color Change Range: 3.0(orange)-4.4(yellow)
Residue on ignition(as sulfate): ..
Methyl Red sodium salt
CAS:845-10-3 Product spec:qualified
MF: C15H14N3NaO2
Molecular Weight: 291.29
PH indicator range: 4.5(red)-6.2(yellow)
Residue on ignition(as sulfate): 20.5-24.0%
Xylenol Orange sodium salt
CAS:63721-83-5 Product spec:qualified
Molecular Formula: C31H31N2NaO13S
Molecular Weight: 760.65
Sensitivity test: qualified
Residue on ignition(as sulfate): 30.0---35.0%
Loss on drying : 15.0%max
Dissociate o-cresol sulfonephthalei..
Sudan III
CAS:85-86-9 Product spec:qualified
Molecular formula: C22H16N4O
Molecular weight: 352.40
Biological staining test: qualified
sodium dimethyldithiocarbamate
CAS:128-04-1 Product spec:95%
Molecular formula: C3H6NS2Na•2H2O (SDD) Molecular weight: 179 CAS No.: 128-04-1 Appearance: white or offwhite crystal, soluble in water Purity: 95%min Free alkali: 0.5%max PH: 7.5-11.5