LEISHMAN STAIN

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Product Short Description: LEISHMAN STAIN
Product Technical Specification:
C.A.S. No. 12627-53-1

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
Remarks:
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GIEMSA STAIN

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Product Short Description: GIEMSA STAIN APPLICATION: MICROSCOPICAL STAINING
Product Technical Specification:
C.A.S. No. 51811-82-6

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
Remarks:
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ROSE BENGAL

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Product Short Description: ROSE BENGAL
Product Technical Specification:
C.A.S. No. 632-69-9
CI NO. 45440
M.F. C20H2O5Cl4I4Na2
M.W. 1017.65gm/mole

Specifications:

Dye Content (by Spectrophotometry) >90%
Solubility 0.1% (Dist. water) Clear solution
Absorption max. (Water+2ml 5% Na2CO3) ?max 544-550nm
Absorptivity (A1%/1cm, in Water+2ml 5% Na2CO3) at ?max >910
Loss on drying (110°C) <10%
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PYROCATECHOL VIOLET

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Product Short Description: PYROCATECHOL VIOLET
Product Technical Specification:
C.A.S. No. 115-41-3
M.F. C19H14O2S
M.W. 386.38gm/mole

Specifications:

Solubility 0.1% (MeOH) Clear solution
Absorption maximum(in MeOH) ?max 442-446nm
Absorptivity 1%, 1cm (in MeOH)at ?max >360
Loss on drying (110°C) <7%
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PYROGALLOL RED

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Product Short Description: PYROGALLOL RED
Product Technical Specification:
C.A.S. No. 32638-88-3
M.F. C19H14O9S
M.W. 418.39gm/mole

Specifications:

Solubility 0.1% (0.1N NaOH) Clear solution
Absorption maximum (in acidic MeOH) ?max 474-478nm
Absorptivity 1%, 1cm (in acidic MeOH) at ?max >450
Loss on drying (110°C) <5%
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PONCEAU S

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Product Short Description: PONCEAU S
Product Technical Specification:
C.A.S. No. 62276-79-5
CI NO. 27195
M.F. C22H12N4Na4O13S4
M.W. 760.58gm/mole

Specifications:

Dye Content (by Spectrophotometry) >75%
Solubility 0.1% (Dist. water) Clear solution
Absorption max. (Dist. water) ?max 517-523nm
Absorptivity (A1%/1cm in Dist. water, at ?max) 460-600
Loss on drying (110°C) >10%
Suitability for microscopy Passes test
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PHENOL RED SODIUM SALT ACS GRADE

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Product Short Description: PHENOL RED SODIUM SALT (ACS GRADE)
Product Technical Specification:
C.A.S. No. 34487-61-1
M.F. C19H13O5SNa
M.W. 376.36gm/mole

Specifications:

Dye Content (by Spectrophotometry) >90%
Solubility 0.1 % (Dist. water) Clear solution
Transition range pH 6.5-8.2
  Yellow-Reddish violet
Absorption Maximum (pH 6.5) ?1max 430-435nm
Absorption maximum (pH 8.2) ?2max 557-560nm
Absorptivity (A1%/1cm at pH 6.5 at ?1max) 560-620
Absorptivity (A1%/1cm at pH 8.2 at ?2max) 970-1100
Loss on drying (110°C) <5%
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PHENOL RED ACS GRADE

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Product Short Description: PHENOL RED (ACS GRADE)
Product Technical Specification:

 

C.A.S. No. 143-74-8
M.F. C19H14O5S
M.W. 354.38gm/mole

Specifications:

 

Colour Red / Orange Powder
Dye Content (by Spectrophotometry) >95%
Solubility 0.1 % (95% EtOH) Clear solution
Transition range pH 6.5-8.2
  Yellow-Reddish violet
Absorption Maximum (pH 6.5) ?1max 430-435nm
Absorption maximum (pH 8.2) ?2max 557-560nm
Absorptivity (A1%/1cm at pH 6.5 at ?1max) 600-700
Absorptivity (A1%/1cm at pH 8.2 at ?2max) 1100-1200
Loss on drying (110°C) <1%
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PARAROSANILINE HYDROCHLORIDE

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Product Short Description: PARAROSANILINE HYDROCHLORIDE
Product Technical Specification:
C.A.S. No. 569-61-9
CI NO. 42500
M.F. C19H18ClN3
M.W. 323.83gm/mole

Specifications:

Appearance   Green Crystalline Powder with Luster 
Dye Content (by Spectrophotometry) >88%
Water Content   0.5% Max
Water Insoluble Matter  0.2% Max 
Solubility 0.1 % (50% EtOH) Clear solution
Absorption Maximum (50% EtOH) ?max 545-548nm
Absorptivity (A1%/1cm in 50% EtOH, at ?max) >2550
Loss on drying (110°C) <10%
Suitability for microscopy Passes test
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PAR INDICATOR MONOSODIUM SALT

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Product Short Description: PAR INDICATOR MONOSODIUM SALT
Product Technical Specification:
C.A.S. No. 16593-81-0
M.W. 255.21gm/mole

Specifications:

Dye Content (by Spectrophotometry) >90%
Solubility 0.1 % (Dist. water) Clear solution
Absorption Maximum (in Dist. water) ?max 411-413nm
Absorptivity (A1%/1cm in Dist. water ,at ?max) >1300
Loss on drying (110°C) <8%
Suitability as metal indicator Passes test
Remarks:
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