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biological stains and ph indicators

Our product range includes a wide range of eosin blue 25 kg, bromocresol green 25 kg, aurin (p-rosalic acid) cas no 603-45-2, bromo cresol green sodium salt cas no 62625-32-5, bromo cresol purpule sodium salt 62625-30-3 and para rosaniline acetate.

Eosin Blue 25 kg

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Eosin Blue 25 kg
  • Eosin Blue 25 kg
  • Eosin Blue 25 kg
  • Eosin Blue 25 kg
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Approx. Rs 8,500 / KgGet Latest Price

Product Details:
Minimum Order Quantity1 Kg
ColorBrown to green powder
Packaging Size25kg
FormPowder
Packaging TypeDrum
Color Index (CI) Name45400
ShadeDark Brownish
CAS Number548-24-3

Product      : Eosin Blue
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 (A1m in water at ?max) >800
Loss On Drying (110°C) <8%

Product Description:

Eosin B sodium salt is a cell and tissue stain. Eosin B sodium salt is used as a counter stain for collagen, as a tissue stain for cell granules, nuclei, and microorganisms when coupled with Azure A (sc-203729), and as a stain for cell differentiation of the anterior pituitary.

Applications:

 

Eosin B is used for estimating a wide range of proteins by the eosin B dye method. At acidic pH, eosin B binds to proteins and absorption of the protien-dye complex at 536–544 nm is proportional to the concentration of the proteins. Inorganic and organic acids are used for the assay, the optimum concentration of acid for each assay differs from acid to acid. The compound provides minimal interference with commonly used compounds in protein purification and biomolecules like DNA, RNA, lipids, carbohydrates and minerals which are generally present in biological fluids. It is used for estimating proteins in tissue homogenates, isolated proteins and various biological fluids.

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Bromocresol Green 25 kg

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Bromocresol Green 25  kg
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Approx. Rs 24,000 / KgGet Latest Price

Product Details:
Minimum Order Quantity1 Kg
Packaging DetailsDrum of 25 kg
GradeACS Grade
Purity97%
FormPowder
CAS Number76-60-8
Usage/ApplicationLaboratory
ColorYellow
Chemical FormulaC21H14Br4O5S

Product       : Bromocresol Green
C.A.S. No    : 76-60-8
M.F.            : C21H14Br4O5S
M.W.           : 698-04gmn/mole

Specifications:

Dye Content (by Spectrophotometry) >95%
Transition Range pH 3.8-5.4
Greenish Yellow-Blue
Solubility 0.1% (95% EtOH) Clear solution
Absorption maximum (pH 3.8) ?1max 438-443nm
Absorption maximum (pH 5.4) ?2max 615-618nm
Absorptivity (A1%/1cm at pH 3.8 at ?1max) 240-270
Absorptivity (A1%/1cm at pH 5.4 at ?2max) 530-570
Loss On Drying (110°C) <3%

Product Description:

Bromocresol Green is a dye of the triphenylmethane family (triarylmethane dyes). It binds quantitatively with human albumin forming an intense blue-green complex with an absorbance maximum at 628 nm.
Format Powder.

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AURIN (p-ROSALIC ACID) CAS NO 603-45-2

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AURIN (p-ROSALIC ACID) CAS NO 603-45-2
  • AURIN (p-ROSALIC ACID) CAS NO 603-45-2
  • AURIN (p-ROSALIC ACID) CAS NO 603-45-2
  • AURIN (p-ROSALIC ACID) CAS NO 603-45-2
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Approx. Rs 5,000 / PieceGet Latest Price

Product Details:
Country of OriginMade in India
CAS NO603-45-2
Molecular FormulaC19H14O
Molecular Weight290.32
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PackagingPacket

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BROMO CRESOL GREEN SODIUM SALT CAS NO 62625-32-5

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BROMO CRESOL GREEN SODIUM SALT CAS NO 62625-32-5
  • BROMO CRESOL GREEN SODIUM SALT CAS NO 62625-32-5
  • BROMO CRESOL GREEN SODIUM SALT CAS NO 62625-32-5
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Approx. Rs 300 / KgGet Latest Price

Product Details:
Minimum Order Quantity5 Kg
Physical StatePowder
Purity99%
Usage/ApplicationLaboratory
FormPowder
CAS Number62625-32-5
Packaging Size10 kg
Packaging TypePacket or drum
Country of OriginMade in India

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BROMO CRESOL PURPULE SODIUM SALT 62625-30-3

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BROMO CRESOL PURPULE SODIUM SALT 62625-30-3
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Approx. Rs 300 / KgGet Latest Price

Product Details:
Packaging Size10 kg
FormPowder
Packaging TypePacket
CAS Number62625-30-3
Country of OriginMade in India
Appearance (Colour)Pinkish brown
Appearance (Form)Crystalline powder

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Para Rosaniline Acetate

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Approx. Rs 6,500 / KgGet Latest Price

Product Details:
Packaging Size5 kg
ColorRed
FormPowder
Packaging TypePacket
CAS Number6035-94-5
Country of OriginMade in India

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May & Grunwald Stain

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May & Grunwald Stain
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  • +3 May & Grunwald Stain
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Approx. Rs 6,500 / KGGet Latest Price

Product Details:
Packaging Size25 kg
ColorDark green to black pd
FormPowder
Packaging TypeDrum
CAS NumberC.A.S. No. : 62851-42-7
Country of OriginMade in India

Product       : May & Grunwald Stain
C.A.S. No.   : 62851-42-7

Specifications:
Solubility 0.1 % (MeOH) Clear solution
Absorption Maximum(in MeOH) ?1max 650-653nm
Absorption Maximum(in MeOH) ?2max 520-525nm
Absorptivity (A1m in MeOH at ?1max on dried substance) >1100
Absorptivity (A1m in MeOH at ?2max on dried substance) >600
Loss On Drying (110°C) <10%
Suitability for microscopy Passes test

Product Description:

May-Grünwald Giemsa (MGG) staining is a mix of two neutral stains:

A May-Grünwald stain composed of an acidic stain (eosin) and a basic stain (methylene blue).

The first stain induces an orthochromatic staining on cell components (pink or orange dye for acidophilic components and blue or purple for basophilic and neutrophil components). The second induces a metachromatic staining: red dye for azurophil components.May-Gru¨nwald’s eosin methylene blue and Giemsa’s azure eosin methylene blue are intended to be used for staining of blood and bone marrow smears and cytological specimens, such as urine sediment or sputum. May-Gru¨nwald is alcohol based and contains May-Gru¨nwald’s eosin methylene blue and methanol (>85%).May-Grünwald Giemsa (MGG) staining is classically applied on blood smears and myelograms.

Applications:

Applications:

Product for the preparation of cyto-histological samples for optical microscopy.Recommended method to differentiate cell types and to reveal parasites in blood smears, morphologic details in spleen tissue, lymph node tissue and marrow, to demonstrate bacteria, rickettsia and mast cells granulation in sputum and organic aspirates. Particularly recommended to detect Trichomonas in vaginal smears. This is the commonly used staining of blood smears. Similarly, to other methods in histology it is based on the electrostatic interaction between dye and target molecules. The staining solutions contain methylene blue (a basic dye), related azures (also basic dyes) and eosin (an acid dye). The basic dyes carry net positive charges, consequently they stain nuclei (because of the negative charges of phosphate groups of DNA and RNA molecules), granules of basophil granulocytes and RNA molecules of the cytoplasm of white blood cells. The eosin carries net negative charge and stains red blood cells and granules of eosinophil granulocytes. It was originally thought that the granules of neutrophil granulocytes were stained by a „neutral dye” that formed when the above-mentioned dyes were combined, but the correct mechanism is not clear.

The nuclei of white blood cells and the granules of basophil granulocytes appear in blue (staining with basic dyes), while red blood cells and eosinophil granules in red (because of red color of eosin). The cytoplasm of white blood cells are light blue, because of the low concentration of RNA molecules.

 

Applications:
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BLUE TETRAZOLIUM (BT) CAS NO 1871-22-3

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BLUE TETRAZOLIUM (BT) CAS NO 1871-22-3
  • BLUE TETRAZOLIUM (BT) CAS NO 1871-22-3
  • BLUE TETRAZOLIUM (BT) CAS NO 1871-22-3
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  • +1 BLUE TETRAZOLIUM (BT) CAS NO 1871-22-3
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Product Details:
FormPowder
CAS Number1871-22-3
Usage/ApplicationLaboratory
Molecular Weight727.64.
Country of OriginMade in India
Molecular FormulaC40H32Cl2N8O2

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PARA ROSANILINE HCL 569-61-9

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PARA ROSANILINE HCL 569-61-9
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Approx. Rs 300 / KgGet Latest Price

Product Details:
Packaging Details10 kg
FormPowder
CAS Number479-73-2
Usage/ApplicationLaboratory
Chemical FormulaC19H17N3
Country of OriginMade in India
AppearanceGreen crystalline solid

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MAY GRUNDWALD STAIN 62851-42-7

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MAY GRUNDWALD STAIN 62851-42-7
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Approx. Rs 6,500 / KGGet Latest Price

Product Details:
Packaging Size5 kg
ColorWhite
FormPowder
Packaging TypePacket
CAS Number62851-42-7
Country of OriginMade in India

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Aurin P Rosolic Acid

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Approx. Rs 5,000 / PieceGet Latest Price

Product Details:
Minimum Order Quantity1 Piece
Usage/ApplicationLaboratory
Ph Range6.6 - 8.0
Country of OriginMade in India
Chemical formulaC19H14O3
Solubility in waterInsoluble
CAS Number603-45-2

Product : Aurin 
C.A.S No.: 603-45-2
C.I.No.: 43800
M.F.: C19H14O3
M.W.: 290.32gm/mole

Specifications:
Dye Content (by Spectrophotometry)>85%
Solubility 0.1% (EtOH)Clear solution
Absorption maximum (Ethanol +5ml 1N HCl) ?max482-487nm
Absorptivity (A1%/1cm, in Ethanol + 5ml 1N HCl at ?max)>2000
Loss On Drying (110°C)<3%
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Wright Stain 25 kg

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Wright Stain 25 kg
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Approx. Rs 6,500 / KGGet Latest Price

Product Details:
Minimum Order Quantity1 KG
ColorDark green
Packaging Size25 kg
FormPowder
Packaging TypeDrum
Country of OriginMade in India

Product : Wright Stain
C.A.S No. : 68988-92-1

Specifications:
Solubility 0.1 % (MeOH) Clear solution
Absorption Maximum (MeOH) ?1max 640-645nm
Absorption maximum (MeOH) ?2max 522-525nm
Absorptivity (A1%/1cm in MeOH at ?1max) >1100
Absorptivity (A1%/1cm in MeOH at ?2max) >650
Loss on drying (110°C) <10%

Product Description:Wright stain is a commonly used hematological stain. This stain is used in blood smear preparations and has also been described in the staining of microorganisms.
Applications:It is used primarily to stain peripheral blood smears and bone marrow aspirates which are examined under a light microscope. Romanowsky stains are used to perform differential white blood cell counts and to study red blood cell morphology. Abnormal granulocyte, lymphocyte or monocyte cell counts may be used to facilitate the diagnosis of diseases such as leukemia or bacterial infections.
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Xylidine Ponceau 2r

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Xylidine Ponceau 2r
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Approx. Rs 4,000 / KGGet Latest Price

Product Details:
Minimum Order Quantity1 KG
Packaging Size5 kg
FormPowder
Packaging TypePacket
CAS Number3761-53
Purity98
Country of OriginMade in India

Product : Xylidine Ponceau 2r
C.A.S No. : 3761-53-3
CI No. : 16150
M.F. : C18H14N2Na2O7S2

Specifications:
Dye Content (by Spectrophotometry) >70%
Solubility 0.1% (Dist. water) Clear solution
Absorption maximum (in MeOH) ?max 507nm
Absorptivity (1%/ 1cm, at ? max) 420-600
Loss on drying (110°C) <5%

Product Description:Masson specified a dye he called Ponceau de xylidine for a variant of his trichrome staining method. Although this dye has not been absolutely identified as the dye he used, it is almost certainly the one, and is accepted as such by general consensus. Its use is largely confined to Masson's trichrome, where it gives a slight orange shading to the red of the cytoplasmic structures.
Applications:Ponceau Xylidine has been used as part of the Goldner's trichome stain to stain thin sections. It has also been used to prepare Fuchsin-Ponceau solution to stain an amyotrophic lateral sclerosis tissue-engineered skin model (ALS-TES). Histochemical tests for proteins as xylidine Ponceau and naphthol blue–black have also been used to detect potential morphogenic regions in the explant. Cells with intense staining by xylidine Ponceau or naphthol blue–black may suggest a high incidence of RNA synthesis and high metabolic activity.
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JENNERS STAIN 62851-42-7

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JENNERS STAIN 62851-42-7
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Approx. Rs 300 / KgGet Latest Price

Product Details:
Packaging Size5 kg
FormPowder
Packaging TypePacket
Usage/ApplicationLabrotray
CAS Number62851-42-7
Country of OriginMade in India

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Fluorescein Complexone chemical

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Fluorescein Complexone chemical
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  • Fluorescein Complexone chemical
  • +3 Fluorescein Complexone chemical
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Approx. Rs 13,000 / KgGet Latest Price

Product Details:
Minimum Order Quantity1 Kg
CAS No1461-15-0
Purity %99%
Packaging Details50 Kg Bag
Grade StandardIndustrial Grade
Country of OriginMade in India

Product      : Fluorescein Complexone
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%

FLUORESCEIN COMPLEXONE excellent quality manufacturer, exporter and supplier. Calcein is used for determination of Ca in biological systems. Indicator for the fluorimetric determination of calcium in presence of Mg by complexometric titration.

Additional Information:

  • Production Capacity: 1-25kg
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    NINHYDRIN 485-47 -2

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    Approx. Rs 12,500 / KgGet Latest Price

    Product Details:
    Purity99.99%
    CAS No485-47-2
    Packaging Details50 Kg Bag
    Packaging TypePacket
    Country of OriginMade in India

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    Flourescein Complexone

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    Approx. Rs 13,000 / KGGet Latest Price

    Product Details:
    Purity %99%
    Packaging Details200 L Drum
    Grade StandardAnalytical Grade
    Packaging TypePacket
    Packaging Size10 kg
    Physical FormPowder
    Country of OriginMade in India

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    CALMAGITE 3147 -14-6

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    Approx. Rs 6,750 / TonneGet Latest Price

    Product Details:
    Packaging Size10 kg
    Packaging TypeDrum/Barrel
    Stateliquid
    Country of OriginMade in India
    Molecular FormulaC17H14N2O5S
    Molecular Weight358.37

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