PAN INDICATOR

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Product Short Description: PAN INDICATOR
Product Technical Specification:
C.A.S. No. 85-85-8
M.F. C15H11N3O
M.W. 249.27gm/mole

Specifications:

 

Solubility 0.1 %(0.1N EtOH) Clear solution
Absorption Maximum (in EtOH) ?max 462-466nm
Absorptivity (A1%/1cm in EtOH, at ?max) >670
Loss on drying (110°C) <5%
Suitability as metal indicator Passes test
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ORCEIN

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Product Short Description: ORCEIN, 1400-62-0, Biological Stains and Dyes
Product Technical Specification:
C.A.S. No. 1400-62-0

Specifications:

Solubility 0.1 %(0.1N NaOH) Clear solution
Absorption Maximum (0.1N NaOH) ?max 574-580nm
Absorptivity (A1%/1cm in 0.1N NaOH, at ?max) 250-450
Loss on drying (110°C) <7%
Remarks:
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ORANGE G

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Product Short Description: ORANGE G
Product Technical Specification:
C.A.S. No. 1936-15-8
CI NO. 16230
M.F. C16H10N2Na2O7S2
M.W. 452.38gm/mole

Specifications:

Dye Content (by Spectrophotometry) >90%
Solubility 0.1 %(Dist. water) Clear solution
Absorption Maximum (Dist. water) ?max 476-481nm
Absorptivity (A1%/1cm in water, at ?max) 400-500
Loss on drying (110°C) <10%
Suitability for microscopy Passes test
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NITROSO-R-SALT

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Product Short Description: NITROSO-R-SALT
Product Technical Specification:
C.A.S. No. 525-05-3
M.F. C10H5O8NNa2S2 . xH2O
M.W. 377.26gm/mole

Specifications:

Solubility 0.1% (Dist. Water) Clear solution
Absorption maximum (0.1N NaOH) ?max 422-426nm
Absorptivity (A1%/1cm in 0.1N NaOH, at ?max) >200
Residue on ignition (as sulfate) 37%
Loss on drying (105°C) <1%
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NILE RED

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Product Short Description: NILE RED
Product Technical Specification:
C.A.S. No. 7385-67-3
M.F. C20H18N2O2
M.W. 318.38gm/mole

Specifications:

Solubility 0.1% (MeOH) Clear solution
Absorption maximum (MeOH) ?max 551-554nm
Absorptivity (A1%/1cm in MeOH, at ?max) >1400
Loss On Drying (110°C) <1%
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NILE BLUE SULPHATE

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Product Short Description: NILE BLUE SULPHATE
Product Technical Specification:
C.A.S. No. 3625-57-8
CI NO. 51180
M.F. C40H40N6O6S
M.W. 732.84gm/mole

Specifications:

Dye Content (by Spectrophotometry) >90%
Solubility 0.1% (50% EtOH) Clear solution
Absorption maximum (50% EtOH) ?max 633-639nm
Absorptivity (A1%/1cm in 50% EtOH, at ?max) >1630
Loss On Drying (110°C) <8%
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NILE BLUE CHLORIDE

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Product Short Description: NILE BLUE CHLORIDE
Product Technical Specification:
C.A.S. No. 2381-85-3
CI NO. 51180
M.F. C20H20ClN3O
M.W. 353.85gm/mole

Specifications:

Dye Content (by Spectrophotometry) >90%
Solubility 0.1% (50% EtOH) Clear solution
Absorption maximum (50% EtOH) ?max 635-639nm
Absorptivity (A1%/1cm in 50% EtOH, at ?max) >1800
Loss On Drying (110°C) <8%
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NEUTRAL RED 95%

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Product Short Description: NEUTRAL RED 95%
Product Technical Specification:
C.A.S. No. 553-24-2
CI NO. 50040
M.F. C15H17 N4Cl
M.W. 288.78gm/mole

Specifications:

Dye Content (by Spectrophotometry) >95%
Transition Range pH 6.8-8.0
  Violet Red- Yellow
Solubility 0.1% (50% EtOH) Clear solution
Absorption Maximum (50%EtOH+2ml Acetic Acid) ?max 539-544nm
Absorptivity (A1%,1cm in 50% EtOH+2ml Acetic Acid, at ?max) >1440
Loss On Drying (110°C) <8%
Suitability for microscopy Passes test
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NEUTRAL RED 60%

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Product Short Description: NEUTRAL RED 60%
Product Technical Specification:
C.A.S. No. 553-24-2
CI NO. 50040
M.F. C15H17 N4Cl
M.W. 288.78gm/mole

Specifications:

Dye Content (by Spectrophotometry) >60%
Transition Range pH 6.8-8.0
  Violet Red- Yellow
Solubility 0.1% (50% EtOH) Clear solution
Absorption Maximum (50%EtOH+2ml Acetic Acid) ?max 539-544nm
Absorptivity (A1%,1cm in 50% EtOH+2ml Acetic Acid, at ?max) >920
Loss On Drying (110°C) <8%
Suitability for microscopy Passes test
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NAPHTHOL GREEN B

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Product Short Description: NAPHTHOL GREEN B
Product Technical Specification:
C.A.S. No. 19381-50-1
CI NO. 10020
M.F. (C10H5O5NNaS)3 . Fe
M.W. 878.45gm/mole

Specifications:

 

Solubility 0.1 % (Dist. water) Clear solution
Absorption maximum (Dist. water) ?max 712-716nm
Absorptivity maximum (A1%/1cm, in water on dried substance) at ?max >110
Loss On Drying (110°C) <10%
Remarks:
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