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%
Remarks:
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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%
Remarks:
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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%
Remarks:
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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
Remarks:
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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
Remarks:
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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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METHYLTHYMOL BLUE COMPLEXONE

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Product Short Description: Premium Quality METHYLTHYMOL BLUE COMPLEXONE
Product Technical Specification:
C.A.S. No. 1945-77-3
M.F. C37H40N2Na4O13S
M.W. 844.76gm/mole

Specifications:

Solubility 0.1 % (Dist. water) Clear solution
Absorption maximum (Dist. water) ?max 437-443nm
Absorptivity maximum (A1%/1cm, in water, at ?max) >120
Loss On Drying (110°C) <10%
Suitability as indicator for Metal Titration Passes test
Remarks:
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METHYL RED SODIUM SALT ACS GRADE

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Product Short Description: METHYL RED SODIUM SALT (ACS GRADE)
Product Technical Specification:
C.A.S. No. 845-10-3
CI NO. 13020
M.F. C15H14N3O2Na
M.W. 291.29gm/mole

Specifications:

Dye Content (by Spectrophotometry) >90%
Solubility 0.1%(Dist. water) Clear solution
Transition Range pH 4.5-6.2
  Violet red- Brownish Yellow
Absorption maximum (Dist. water) ?max 430-440nm
Absorptivity (A1%/1cm in Dist. water) at ?max >580
Loss On Drying (110°C) <5%
Remarks:
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METHYL RED HYDROCHLORIDE

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Product Short Description: METHYL RED HYDROCHLORIDE
Product Technical Specification:
C.A.S. No. 63451-28-5
CI NO. 13020
M.F. C15H16N3O2Cl
M.W. 305.77gm/mole

Specifications:

Dye Content (by Spectrophotometry) >90%
Solubility 0.1%(95% EtOH) Clear solution
Transition Range pH 4.2-6.2
  Pink-Yellow
Absorption maximum (EtOH) ?max 490-496nm
Absorptivity (A1%/1cm in Ethanol) at ?max >550
Loss On Drying (110°C) <3%
Remarks:
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METHYL RED ACS GRADE

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Product Short Description: METHYL RED (ACS GRADE)
Product Technical Specification:
C.A.S. No. 493-52-7
CI NO. 13020
M.F. C15H15N3O2
M.W. 269.31gm/mole

Specifications:

Dye Content (by Spectrophotometry) >95%
Transition Range pH 4.2-6.2
  Pink-Yellow
Solubility 0.1% (95% EtOH) Clear solution
Absorption maximum (pH 4.2) ?1max 523-526nm
Absorption maximum (pH 6.2) ?2max 430-434nm
Absorptivity (A1%/1cm at pH 4.2 at ?1max) 1300-1400
Absorptivity (A1%/1cm at pH 6.2 at ?2max) 700-800
Loss On Drying (110°C) <3%
Remarks:
Physical State Solid
Appearance dark red to purple
Odor none reported
pH Not available
Vapor Pressure Negliglble
Vapor Density Not available
Evaporation Rate Negligible
Viscosity Not available
Boiling Point Not available
Freezing/Melting Point 179-182 deg C
Decomposition Temperature Not available
Solubility Insoluble in water
Specific Gravity/Density Not available
Molecular Formula C15H15N3O2
Molecular Weight 269.30
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