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% |
|
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 |
|
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% |
|
Images:

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% |
|
Images:

BROMOTHYMOL BLUE ACS GRADE
Product Short Description: BROMOTHYMOL BLUE (ACS GRADE)
Product Technical Specification:
|
C.A.S. No. |
76-59-5 |
|
M.F. |
C27H28Br2O5S |
|
M.W. |
624.40gm/mole |
Specifications:
|
Dye Content (by Spectrophotometry) |
>95% |
|
Transition Range |
pH 5.8-7.6 |
|
|
Yellow-Blue |
|
Solubility 0.1% (95% EtOH) |
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) |
260-300 |
|
Absorptivity (A1%/1cm at pH 7.6 at ?2max) |
470-520 |
|
Loss On Drying (110°C) |
<3% |
|
Images:

BROMOPYROGALLOL RED
Product Short Description: BROMOPYROGALLOL RED
Product Technical Specification:
|
C.A.S. No. |
16574-43-9 |
|
M.F. |
C19H10Br2O8S |
|
M.W. |
558.17gm/mole |
Specifications:
|
Solubility 0.1% (in 95% EtOH) |
Clear solution |
|
Absorption Maximum (in 95% EtOH) ?max |
554-557nm |
|
Absorptivity (A1%/1cm at pH 6.5 at ?max) |
>750 |
|
Loss On Drying (110°C) |
<5% |
|
Images:
