CHROMOTROPE 2R

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Product Short Description: CHROMOTROPE 2R
Product Technical Specification:
C.A.S. No. 4197–07–3
CI NO. 16570
M.F. C16H10N2Na2O8S2
M.W. 468.37gm/mole

Specifications:

Dye Content (by Spectrophotometry) >75%
Solubility 0.1 % (MeOH) Clear solution
Absorption maximum (MeOH) ?max 510+/-4nm
Absorptivity (A1%1cm in MeOH at ?max) >485
Loss On Drying (110°C) <10%
Remarks:
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CHROMOTROPE 2B

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Product Short Description: CHROMOTROPE 2B
Product Technical Specification:
C.A.S. No. 548-80-1
CI NO. 16575
M.F. C16H9N3Na2O10S2
M.W. 513.37gm/mole

Specifications:

Dye Content (by Spectrophotometry) >75%
Solubility 0.1 % (Dist. water) Clear solution
Absorption maximum (Dist. Water) ?max 512-518nm
Absorptivity (A1%1cm in Water, at ?max) >575
Loss On Drying (110°C) <8%
Remarks:
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CHLOROPHENOL RED

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Product Short Description: CHLOROPHENOL RED
Product Technical Specification:
C.A.S. No. 4430-20-0
M.F. C19H12Cl2O5S
M.W. 423.32gm/mole

Specifications:

Dye Content (by Spectrophotometry) >93%
Solubility 0.1% (95% EtOH) Clear solution
Transition Range pH 4.8-7.0
Absorption maximum (0.1N NaOH) ?max 573-579nm
Absorptivity (A1%1cm ,in 0.1NaOH at ?max) >1550
Loss On Drying (110°C) <7%
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CARBOL FUCHSIN

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Product Short Description: CARBOL FUCHSIN
Product Technical Specification:
C.A.S. No. 4197-24-4

Specifications:

Appearance Maroon Powder
Solubility 0.1% (50% EtOH) Clear solution
Absorption maximum (50% EtOH) ?max 547-552nm
Absorptivity (A1%1cm in 50% EtOH at ?max) >2150
Loss On Drying (110°C) <10%
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CALMAGITE

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Product Short Description: CALMAGITE
Product Technical Specification:
C.A.S. No. 3147-14-6
M.F. C17H14N2O5S
M.W. 358.37gm/mole

Specifications:

Solubility 0.1% (Dist. Water) Clear solution
Absorption maximum (pH 10.0 in Ammonia buffer+2ml of 0.05M E.D.T.A. Solution) ?max 600-610nm
Absorptivity (A1% 1cm at ?max, at pH 10.0 in Ammonia buffer +2ml of 0.05M E.D.T.A. solution on dried substance) >300
Loss On Drying (110°C) <10%
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CALCON CARBOXYLIC ACID PATTON AND REEDER'S REAGENT

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Product Short Description: CALCON CARBOXYLIC ACID (PATTON AND REEDER'S REAGENT)
Product Technical Specification:
C.A.S. No. 3737-95-9
M.F. C21H14N2O7S
M.W. 438.41gm/mole

Specifications:

Dye Content (by Spectrophotometry) >60%
Solubility 0.1% (MeOH) Clear solution
Absorption maximum (Methanol+1ml 1N HCl) ?max 550-560nm
Absorptivity (A1%1cm in Methanol+ 1ml 1N HCL, at ?max) >250
Loss On Drying (110°C) <7%
Suitability as indicator for Metal Titration Passes test
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CALCON SOLOCHROME DARK BLUE

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Product Short Description: CALCON (SOLOCHROME DARK BLUE)
Product Technical Specification:
C.A.S. No. 2538-85-4
CI NO. 15705
M.F. C20H13N2NaO5S
M.W. 416.39gm/mole

Specifications:

Solubility 0.1% (50% EtOH) Clear solution
Suitability as indicator for Metal Titration Passes test
Absorption maximum (Ammonia buffer pH 12.2+2ml EDTA solution) ?max 632-636nm
Absorptivity (A1%,1cm pH 12.2, at ?max on dried substance) >300
Loss On Drying (110°C) <10%
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CALCEIN FLUORESCEIN COMPLEXONE

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Product Short Description: CALCEIN (FLUORESCEIN COMPLEXONE)
Product Technical Specification:
C.A.S. No. 1461-15-0
M.F. C30H22N2O13
M.W. 622.55gm/mole

Specifications:

Solubility 0.1% (0.1N NaOH) Clear solution
Absorption maximum (0.1N NaOH) ?max 499+/-5nm
Absorptivity (A1%/1cm at ?max) >800
Loss On Drying (110°C) <8%
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BROMOXYLENOL BLUE

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Product Short Description: BROMOXYLENOL BLUE
Product Technical Specification:
C.A.S. No. 40070-59-5
M.F. C23H20Br2O5S
M.W. 568.29gm/mole

Specifications:

Dye Content (by Spectrophotometry) >95%
Transition Range pH 5.7-7.4
  Yellow-Blue
Solubility 0.1% (95% EtOH) Clear solution
Absorption maximum (pH 5.7) ?1max 432-437nm
Absorption maximum (pH 7.4) ?2max 613-615nm
Absorptivity (A1%/1cm at pH 5.7 at ?1max) 300-330
Absorptivity (A1%/1cm at pH 7.4 at ?2max) 500-540
Loss On Drying (110°C) <3%
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BROMOTHYMOL BLUE SODIUM SALT ACS GRADE

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Product Short Description: BROMOTHYMOL BLUE SODIUM SALT (ACS GRADE)
Product Technical Specification:
C.A.S. No. 34722-90-2
M.F. C27H28Br2O5S
M.W. 646.38gm/mole

Specifications:

Dye Content (by Spectrophotometry) >90%
Transition Range pH 5.8-7.6
  Yellow-Blue
Solubility 0.1% (Dist. Water) Almost Clear solution
Absorption maximum (pH 5.8) ?1max 430-435nm
Absorption maximum (pH 7.6) ?2max 615-618nm
Absorptivity (A1%/1cm at pH 5.8 at ?1max) 250-280
Absorptivity (A1%/1cm at pH 7.6 at ?2max) 400-500
Loss On Drying (110°C) <5%
Remarks:
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