CHROMOTROPE 2R
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% |
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Images:

CHROMOTROPE 2B
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% |
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Images:

CHLOROPHENOL RED
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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Images:

CARBOL FUCHSIN
Product Short Description: CARBOL FUCHSIN
Product Technical Specification:
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% |
|
Images:

CALMAGITE
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% |
|
Images:

CALCON CARBOXYLIC ACID PATTON AND REEDER'S REAGENT
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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Images:

CALCON SOLOCHROME DARK BLUE
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% |
|
Images:

CALCEIN FLUORESCEIN COMPLEXONE
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% |
|
Images:

BROMOXYLENOL BLUE
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
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% |
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Images:
