METHYL ORANGE ACS GRADE
Product Code: RXSOL-69-5475-800
Product Short Description: METHYL ORANGE (ACS GRADE)
Product Technical Specification:
|
C.A.S. No. |
547-58-0 |
|
CI NO. |
13025 |
|
M.F. |
C14H14N3SO3Na |
|
M.W. |
327.34gm/mole |
Specifications:
|
Dye Content (by Spectrophotometry) |
>95% |
|
Solubility 0.1 % (Dist. water) |
Clear solution |
|
Transition Range |
pH 3.1-4.4 |
|
|
Pink Orange-Yellow |
|
Absorption maximum (pH 3.1) ?1max |
501-504nm |
|
Absorption maximum (pH 4.4) ?2max |
467-471nm |
|
Absorptivity (A1%/1cm at pH 3.1 at ?1max) |
1050-1150 |
|
Absorptivity (A1%/1cm at pH 4.4 at ?2max) |
750-850 |
|
Loss On Drying (110°C) |
<3% |
|
Remarks:
Colour change
The color change of a pH indicator is caused by the dissociation of the H+ ion from the indicator itself. Recall that pH indicators are not only natural dyes but also weak acids. The dissociation of the weak acid indicator causes the solution to change color.
Images:
MAY-GRUNWALD STAIN
Product Code: RXSOL-69-6285-147
Product Short Description: MAY-GRUNWALD STAIN
Product Technical Specification:
Specifications:
|
APPEARANCE |
BLACKISH GREEN POWDER |
|
Solubility 0.1 % (MeOH) |
CLEAR BLUE SOLUTION WITH GREEN FLUORESCENCE |
|
Absorption Maximum(in MeOH) ?1max |
650-653nm |
|
Absorption Maximum(in MeOH) ?2max |
520-525nm |
|
Absorptivity (A1%1cm in MeOH at ?1max on dried substance) |
>1100 |
|
Absorptivity (A1%1cm in MeOH at ?2max on dried substance) |
>600 |
|
Loss On Drying (110°C) |
<10% |
|
Suitability for microscopy |
Passes test |
|
Images:
LEISHMAN STAIN
Product Code: RXSOL-69-1262-753
Product Short Description: LEISHMAN STAIN
Product Technical Specification:
Specifications:
|
APPEARANCE |
BLACKISH BLUE POWDER |
|
Solubility 0.1 % (MeOH) |
CLEAR BLUE SOLUTION WITH GREEN FLUORESCENCE |
|
Absorption Maximum(in MeOH) ?1max |
640-645nm |
|
Absorption Maximum(in MeOH) ?2max |
522-525nm |
|
Absorptivity (A1%1cm in MeOH at ?1max on dried substance) |
>900 |
|
Absorptivity (A1%1cm in MeOH at ?2max on dried substance) |
>650 |
|
Loss On Drying (110°C) |
<8% |
|
Suitability for microscopy |
Passes test |
|
Images:
JENNER STAIN
Product Code: RXSOL-69-6285-142
Product Short Description: JENNER STAIN
Product Technical Specification:
Specifications:
|
Solubility 0.1 % (MeOH) |
Clear solution |
|
Absorption Maximum(in MeOH) ?1max |
650-653nm |
|
Absorption Maximum(in MeOH) ?2max |
520-525nm |
|
Absorptivity (A1%1cm in MeOH at ?1max on dried substance) |
>1100 |
|
Absorptivity (A1%1cm in MeOH at ?2max on dried substance) |
>600 |
|
Loss On Drying (110°C) |
<10% |
|
Images:
HYDROXY NAPHTHOL BLUE ACS GRADE
Product Code: RXSOL-69-1656-602
Product Short Description: HYDROXY NAPHTHOL BLUE (ACS GRADE)
Product Technical Specification:
|
C.A.S. No. |
165660-27-5 |
|
M.F. |
C20H12N2O11Na2S3 |
|
M.W. |
598.50gm/mole |
Specifications:
|
Solubility 0.1 % (Dist. Water) |
Clear solution |
|
Suitability for Calcium determination |
Passes test |
|
Absorption maximum (Ammonia buffer pH 12.0+2ml 0.05M E.D.T.A.) ?max |
645-650nm |
|
Absorptivity (A1% 1cm at ?max, in Ammonia buffer pH 12.0+2ml 0.05M E.D.T.A.) |
>350 |
|
Loss On Drying (110°C) |
<5% |
|
Images:
GIEMSA STAIN
Product Code: RXSOL-69-5181-182
Product Short Description: GIEMSA STAIN APPLICATION: MICROSCOPICAL STAINING
Product Technical Specification:
Specifications:
|
Appearance |
Greenish Powder |
|
Solubility 0.1 % (MeOH) |
Clear Blue Solution with Fluorescence |
|
Absorption Maximum(in MeOH) ?1max |
640-650 nm |
|
Absorption Maximum(in MeOH) ?2max |
520 - 525 nm |
|
Absorptivity (A1%1cm in MeOH at ?1max on dried substance) |
950-1150 |
|
Absorptivity (A1%1cm in MeOH at ?2max on dried substance) |
600-750 |
|
Loss On Drying (110°C) |
<10% |
|
Suitability for microscopy |
Passes test |
|
Images:
EVAN'S BLUE
Product Code: RXSOL-69-3141-360
Product Short Description: EVAN'S BLUE
Product Technical Specification:
|
C.A.S. No. |
314-13-6 |
|
CI NO. |
23680 |
|
M.F. |
C34H24N6Na4O14S4 |
|
M.W. |
960.82gm/mole |
Specifications:
|
Dye Content (by Spectrophotometry) |
>85% |
|
Solubility 0.1 % (Dist. Water) |
Clear solution |
|
Absorption maximum (Dist. water) ?max |
605-611nm |
|
Absorptivity (A1% 1cm in water, at ?max, on dried substance) |
>800 |
|
Loss On Drying (110°C) |
<10% |
|
Suitability for microscopy |
Passes test |
|
Images:
ETHYL ORANGE
Product Code: RXSOL-69-6275-812
Product Short Description: ETHYL ORANGE
Product Technical Specification:
|
C.A.S. No. |
62758-12-7 |
|
M.F. |
C16H18N3SO3Na |
|
M.W. |
355.39gm/mole |
Specifications:
|
Solubility 0.1 % (Dist. Water) |
Clear solution |
|
Transition Range |
pH 3.0-4.8 |
|
|
Red-Orange Yellow |
|
Absorption maximum (Dist. Water) ?max |
472-477nm |
|
Absorptivity (A1% 1cm in Dist. water, at ?max) |
>850 |
|
Loss On Drying (110°C) |
<5% |
|
Images:
EOSIN YELLOW
Product Code: RXSOL-69-1737-287
Product Short Description: EOSIN YELLOW
Product Technical Specification:
|
C.A.S. No. |
17372-87-1 |
|
CI NO. |
45380 |
|
M.F. |
C20H6Br4Na2O5 |
|
M.W. |
691.86gm/mole |
Specifications:
|
Appreance |
RED/ORANGE POWDER |
|
Dye Content (Spectrophotometry) |
>90% |
|
Solubility 0.1 % (Dist. Water) |
Clear solution |
|
Absorption Maximum (Dist. water) ?max |
515-518nm |
|
Absorptivity (A1%,1cm in water at ?max) |
>1260 |
|
Loss On Drying (110°C) |
<8% |
|
Suitability for microscopy |
Passes test |
|
Images:
EOSIN BLUE
Product Code: RXSOL-69-5482-430
Product Short Description: EOSIN BLUE
Product Technical Specification:
|
C.A.S. No. |
548-24-3 |
|
CI NO. |
45400 |
|
M.F. |
C20H6Br2N2Na2O9 |
|
M.W. |
624.09gm/mole |
Specifications:
|
Dye content (By Gravimetry) |
>85% |
|
Solubility 0.1 % (Dist. Water) |
Clear solution |
|
Absorption maximum (Dist. water) ?max |
516-520nm |
|
Absorptivity (A1%1cm in water at ?max) |
>800 |
|
Loss On Drying (110°C) |
<8% |
|
Images:
