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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:..
Post Time:[2011-10-27 ]Wuhan Kemi-Works Chemical Co., Ltd.

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 ..
Post Time:[2011-10-27 ]Wuhan Kemi-Works Chemical Co., Ltd.

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
Post Time:[2011-10-27 ]Wuhan Kemi-Works Chemical Co., Ltd.

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): ..
Post Time:[2011-10-27 ]Wuhan Kemi-Works Chemical Co., Ltd.

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%
Post Time:[2011-10-27 ]Wuhan Kemi-Works Chemical Co., Ltd.

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..
Post Time:[2011-10-27 ]Wuhan Kemi-Works Chemical Co., Ltd.

Semixylenol Orange

CAS:19329-67-0 Product spec:qualified
MF: C26H25NO9S
Post Time:[2011-10-27 ]Wuhan Kemi-Works Chemical Co., Ltd.

potassium dimethyldithiocarbamate

CAS:128-03-0 Product spec:50%
128-03-0

Sudan III

CAS:85-86-9 Product spec:qualified
Molecular formula: C22H16N4O Molecular weight: 352.40 Biological staining test: qualified
Post Time:[2011-10-27 ]Wuhan Kemi-Works Chemical Co., Ltd.

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