banner copy

Fixatives

 Fixatives

  • EM Grade Glutaraldehyde
  • Biological Grade Glutaraldehyde
  • Glutaraldehyde Spill Control ( G-Guard-ER )
  • Osmium Tetroxide Crystalline
  • Osmium Tetroxide 4% Aqueous
  • Paraformaldehyde
  • 16% Formaldehyde Solution
  • Potassium Dichromate
  • Potassium Permanganate
  • Ruthenium Red. 37.5% Ru
  • Ruthenium Tetroxide

  •  

    Highly Purified Glutaraldehyde

    Guaranteed Free from Polymers and other Impurities

    EM Grade Glutaraldehyde
    The Universal Fixative for Electron Microscopy

    CAS # Chemical Formula F.W
    111-30-8 OCHCH2CH2CH2CHO  100.12


    This EM grade Glutaraldehyde is purified by glass distillation to eliminate all chemical impurities. Each lot is assayed and tested for its purity. Producing an absorption peak solely at 280 nm. It is sealed under dry nitrogen. Our Glutaraldehyde is packed in small volumes of 10 ml amber ampoules, ( easily opened with our Universal Ampoule Breaker Catalog # 186) or larger volumes of 100ml in amber bottles . If stored properly this Glutaraldehyde has a very long shelf life.

    Refrigerated storage required.

    EM Grade Glutaraldehyde

    Catalog # Description Qty

    0133

    8% EM Grade Glutaraldehyde

    10 X 10ml / pkg.

    0134

    8% EM Grade Glutaraldehyde

    100ml / bottle

    CG008-0

    10% EM Grade Glutaraldehyde

    10 X 10ml / pkg.

    CG008-1

    10% EM Grade Glutaraldehyde

    100ml / bottle

    0131

    25% EM Grade Glutaraldehyde

    10 X 10ml / pkg.

    0132

    25% EM Grade Glutaraldehyde

    100ml / bottle

    CG003-3

    25% EM Grade Glutaraldehyde

    500ml / bottle

    0121

    50% EM Grade Glutaraldehyde

    10 X 10ml / pkg.

    0122

    50% EM Grade Glutaraldehyde

    100ml / bottle

    0123

    70% EM Grade Glutaraldehyde

    10 X 2ml / pkg.

    0125

    70% EM Grade Glutaraldehyde

    10 X 10ml / pkg.

    Please use the catalog number and description when ordering.

    Note:  After use, we recommend that you wipe away any excess Glutaraldehyde that adheres to the neck of the bottle before re-capping.  

    Back to top


    Our Disposable Polyethylene  Pipettes are extremely useful for measuring  fixatives, epoxy chemicals, stains and a

    wide range of other chemicals.


    Biological Grade Glutaraldehyde

    Biological Grade Glutaraldehyde

    This type of Glutaraldehyde is suitable for certain types of routine fixation but not recommended for histochemistry. It is carefully filtered to remove visible polymer. Packed in safe plastic bottles 450 ml.

     

    Catalog #

    Description

    Qty

    014

    50% Glutaraldehyde, Biological Grade

    450ml

    015

    25% Glutaraldehyde, Biological Grade

    450ml

    Refrigerated storage required.

    Back to top


    Glutaraldehyde Spill Control

    G-guard-ER

    Prepares Glutaraldehyde for biodegradation, transforms to a nearly neutral solution and becomes acceptable for sewer disposal. 65 g of G-gard pre-treats one gallon of 1% solution.

    Catalog #

    Description

    Qty

    0130

    Glutaraldehyde Spill Control

    65g

    Please use the catalog number and description when ordering.

    Back to top


    Osmium Tetroxide

    Osmium Tetroxide is a pale yellow solid with a pungent  chlorine-like odor. The crystals melt at 40˚C and have a  solubility in cold water of 5.07%, hot water 6.5%.vapor pressure at room temperature is considerable and the vapor is extremely toxic.

    Osmium Tetroxide

    Ultra pure Tetroxide crystal, sealed in glass ampoules

    CAS #

    Chemical Formula

    M.W

    20816-12-0

    OsO4

     254.20

    The primary use of Osmium Tetroxide in Electron Microscopy  is as a reliable fixative. Our Osmium Tetroxide is pure and the product is guaranteed. We strongly recommend that all solutions made of this Osmic acid anhydride be handled with extreme  care, always handled in a fume hood, and skin contact must be avoided at all times.
     

    Catalog # Description Qty

    016

    Osmium Tetroxide, crystalline

    0.1g

    0161

    Osmium Tetroxide, crystalline

    0.5g

    0162

    Osmium Tetroxide, crystalline

    1.0g
    Please use the catalog number and description when ordering.

    Back to top


    Osmium Tetroxide 4% Aqueous Solutions

    To avoid exposure to Osmium vapor we recommend  our already  prepared and , filtered,  4% aqueous solution. The exact volume is sealed under dry nitrogen in pre-scored amber ampoules

    Osmium Tetroxide 4% Aqueous

    • Exact Concentration

    • Instantly Available

    • Long Stable Shelf Life

    • Maximum Safety

    • Micro filtered

    Catalog #

    Description

    Qty

    0163

    Osmium Tetroxide 4% Aqueous Solution

    10 X 2ml /pkg

    0164

    Osmium Tetroxide 4% Aqueous Solution

    10 X 5ml /pkg

    0165

    Osmium Tetroxide 4% Aqueous Solution

    10 X 10ml  /pkg

    Please use the catalog number and description when ordering.

    Back to top


    Paraformaldehyde

    Paraformaldehyde

    (Polyoxymethylene)

    Purified EM Grade Paraformaldehyde is a fast penetrating EM Fixative, used in combination with Glutaraldehyde, Acrolein and Osmium Tetroxide.

    Available in powder (granular) or prill form.

    CAS # Chemical Formula F.W
    30525-89-4 OH(CH2O)nH  Average 600
    Catalog # Description Qty

    0171

    Paraformaldehyde Powder ( Granular)

    500g

    0172

    Paraformaldehyde  Prill

    500g

    Please use the catalog number and description when ordering.

    Back to top


    16% Formaldehyde Solution

    16% Formaldehyde Solution

    EM Grade Formaldehyde solution, prepared from Paraformaldehyde- methanol free solution. Micro filtered and stored in easy-break pre-scored 10 ml ampoules.

    Catalog # Description Qty

    0173

     16% Formaldehyde Solution

    10 X 10ml /pkg

    Please use the catalog number and description when ordering.

    Back to top


    Our Disposable Polyethylene  Pipettes are extremely useful

    for measuring  fixatives, epoxy chemicals, stains and a

    wide range of other chemicals.

     


    Formaldehyde, Reagent, ACS

    CAS # Chemical Formula F.W
    50-00-00 HCHO  30.03
    Catalog # Description Qty

    CF003-3

     Formaldehyde ,Reagent ACS

    450ml

    Back to top


     

    Fortmaldehyde, 37%,  Microfiltered

    CAS # Chemical Formula F.W
    50-00-00 HCHO  30.03
    Catalog # Description Qty

    CF003-4

      Formaldehyde 37%  Microfiltered

    10 X 10ml /pkg

    Please use the catalog number and description when ordering.

    Back to top


    Formalde-Fresh Low Odor Solution
    Histology Grade.

    This Low odor ready to use 10% formalin solution may be used as a fixative or preservative of specimens. It has a long shelf life (254 months) and features a specially formulated odor-mask which neutralizes the formalin odor.

    Catalog #

    Description

    Qty

    CF003-5

      Formalde-fresh soln.

    4 liter

    Back to top


    Potassium Dichromate

    A.C.S. Crystal Reagent

    Metal Stain.

    CAS # Chemical Formula F.W
    7778-50-9 KMnO3 294.18
    Catalog # Description Qty

     188

    Potassium Dichromate

    250g

    Please use the catalog number and description when ordering.

     

    Back to top


    Potassium Permanganate

    Reagent, A.C.S


    EM fixative and metal stain.

    CAS # Chemical Formula F.W
    7722-64-7 KMnO4 158.04
    Catalog # Description Qty

    112

    Potassium Permanganate

    250g

    Please use the catalog number and description when ordering.

    Back to top

     


    Ruthenium Red, 37.5% Ru

    CAS # Chemical Formula F.W

    11103-72-3

    [(NH3)5RuORu(NH3)4ORu(NH3)5]Cl6.4H2O

    858.42
    Catalog # Description Qty

    113

    Ruthenium Red

    1g vial

    Please use the catalog number and description when ordering.

    Back to top


    Ruthenium Tetroxide

    0.5 % Stabilized Aqueous Solution

    Ruthenium Tetroxide is very similar to Osmium Tetroxide, and is used for fixation, or staining in electron microscopy. Note: Ruthenium Tetroxide‘s penetration into the tissue is poor
     

    CAS # Chemical Formula F.W

    20427-56-96

    RuO4

    165.70
    Catalog # Description Qty

    113-10

    Ruthenium Tetroxide

    5 x 10ml/ pkg

    Please use the catalog number and description when ordering.

    Back to top


    Universal Ampoule Breaker

    Universal Ampoule Breaker

    Made of soft, white silicone rubber. This is a safe and simple way to break open ampoules.

    Catalog # Description Qty

    186

    Universal Ampoule Breaker

    1/pkg

    Please use the catalog number and description when ordering.

    Back to top

    Online Catalogs

    catalog

    For your convenience we have also provided our latest supplemental catalogs in PDF format here.

    Other catalogs may be found within the Products section.