Osmium Tetroxide, Crystalline, Highest Purity, 99.95% (Osmic Acid Anhydride) Formula: OsO₄   Formula Weight: 254.20   CAS #: 20816-12-0 Melting Range: 39.5-41.0°C Boiling Point: 129.7°C Vapor Pressure @25°C: 9.8 mmHg …

(Basic Brown 1; Basic Brown G, GX, GXP; Vesuvine; Leather Brown; Manchester Brown; Phenylene Brown) Formula: C₁₈H₁₈N₈·2HCl   Formula Weight: 419.32   CAS #: 10114-58-6 Solubility: 1.5% Water; 3.0% Alcohol; 3.0%…

PBS is commonly used in biochemistry. It is a salty solution containing calcium chloride, sodium phosphate and potassium phosphate. PBS is isotonic and non-toxic to cells. 1X PBS final concentration is 0.137M NaCl, 0.01M Na2HPO4, 0.0027M KCl and pH 7.4.

The HistoTainer™ is half filled with 10% Neutral Buffered Formalin as a fixative. These ready-to-use prefilled containers are timer saving and make your work more efficient.

All of our Earle’s Balanced Salt Solution contains: Potassium Chloride, Sodium Chloride, Sodium Phosphate Monobasic, and D-glucose. Some formulations may contain additional components. Use the table below as a quick reference for identifying the one that best suits your application. All of…

Type M; angled; .50mm thickness Our ultra-sharp blade cuts with minimum pressure, without tearing or damaging the specimen and reduces the risk of specImen distortion. Our UNIQUE PRESSURE MECHANISM allows blade actuation with one hand The handle is made of titanium and is coated by high…

Blue Silicone Rubber comes as a kit consisting of 1 gal (9 lb) silicone base and 1 pt (1lb) blue catalyst. Blue Silicone Rubber is extremely high tear, high tensile strength, two components, and tin catalyzed RTV silicone rubber. It is designed for casting polyurethane foam, polyester and…

(Acetone Dimethyl Acetal) Used as a dehydration agent. Formula: (CH₃)₂C(OCH₃)₂   Formula Weight: 104.15 CAS #: 77-76-9 Specific Gravity: 0.849

Grade: Reagent, Crystals, A.C.S. Formula: CrO₃   Formula Weight: 99.99   CAS #: 1333-82-0

Ingredients: NaCl; KCl; CaCl2.6H2O; MgCl2.6H2O; NaHCO3; NaH2PO4; Glucose; and Distilled water.

(D-Glucose) Formula: C₆H₁₂O₆   Formula Weight: 180.16   CAS #: 50-99-7

Ingredients: NaCl; KCl; CaCl2·6H2O; NaHCO3; MgCl2·6H2O; Glucose and Distilled water.

Formula: OCHCH₂CH₂CH₂CHO Formula Weight: 100.12 CAS #: 111-30-8 Specific Gravity @20/20°C: 1.131 EM Grade Distillation Purified The Universal Fixative for Electron Microscopy. Purified to EM Grade from commercial grade by…

Histosol™ is the original high flash point (114ºF TCC) histological clearing agent. It is intended to be used as a replacement for xylene where the hazards associated with aromatic hydrocarbon vapors are to be reduced. Museum-quality tissue slides can be prepared with Hitosol without…

Formula: H₃BO₃   Formula Weight: 61.83   CAS #: 10043-35-3 Assay: 99.95% minimum. A buffer component in Tris-EDTA-Borate buffer. Also used in Silver-Methenamine buffer. Swift, J.A. (1968). The Electron histochemistry of…

When agarose is placed in a buffer such as TAE (Tris/Acetate/EDTA) or TBE (Tris/Borate/EDTA), it is generally insoluble. However, when this agarose solution is heated, the agarose particles become hydrated and thus go into solution. This hydration process is time-dependent, and different types of…

Formula: (C₁₂H₁₈O₉)x F.W. 3000-9000 CAS #: 9002-18-0 Geling Temperature (1.5% in H₂O): ~35°C Gel Strength (1.5% gel): 300g/cm2

Formula: CH₃CH(OH)CO₂Ag   Formula Weight: 196.94  CAS # 128-00-7 Silver content: approx. 90% min. *To localize intracellular anions (Cl-). Komnick, (1962). *Elektronemikrokopische Lokalisation von Na+ und Cl in Zellan und Geweban.…

A solvent agent for epoxy resins. Used widely for infiltration and gradual replacement of the dehydration agent. Grade: EM Grade CAS #: 75-56-9 UN #: UN1760

Formula: CH₃COOC₅H₁₁   Formula Weight: 130.18   CAS #: 628-63-7 Boiling Range: 140.0°C-150.0°C Specific Gravity @ 25°C: 0.870-0.875

Alum Lake of Carminic acid (Natural Red 4) CAS #: 1390-65-4 Solubility: 0.0% Water; 0.2% Alcohol; 0.5% Cellosolve; 4.0% Glycol; 0.0% Xylene.

An additive which stabilizes cholesterol 0.2% digitonin in buffer added to Glutaraldehyde fixative may help to stabilize and retain the fine structural localization of free cholesterol and cholesterol esters. Formula: C₅₆H₉₂0₂₉   Formula Weight: …

(Sodium Potassium Tartrate) KNaC4H4O6·4H2O F.W. 282.22 CAS #6381-59-5 Assay 99.0-102.0% Water 21.0-27.0% Used with bismuth subnitrate for staining polysaccharides, including glycogen without oxidizing agents. Shinji, Y., et al (1975). A new electron microscopic histo-cyto chemical…

(Sodium Methylate) Formula: CH₃ONa   Formula Weight: 54.03   CAS #: 124-41-4 Used in the removal of resin from sections.

(Rasaniline Chloride; Magenta; Basic Violet 14) Formula: C₂₀H₁₉N₃ . HCl   Formula Weight: 337.86   CAS #: 632-99-5 Berkowitz et al., (1968). Selective staining of nervous tissue for light microscopy following preparation for…

Protargol, 8.3% Ag   CAS #: 9008-42-8 Thiery, (1967). See Silver Nitrate

(3,3',4,4'-Biphenyltetramin) Formula: C₁₂H₁₄N₄   Formula Weight: 214.27   CAS #: 91-95-2 Melting Point: 173°C Used as an ultrastructural protein tracer for immuno-cytochemistry. A possible carcinogen.

A fixative that is used in light microscopy for the preparation of delicate structure.

(ethoxy phenylacetophenone) Formula: C₆H₅COCH(CO₂H₅)C₆H₅   Formula Weight: 240.31   CAS #: 574-09-4 Melting Point: 56-59°C

A curing agent for epoxy resins. Formula: C₄H₁₁NO   Formula Weight: 89.14   CAS #: 108-01-0 Specific Gravity: 0.883-0.888 Boiling Point: 132-134°C

Formula: C₆H₈O₇   Formula Weight: 192.13   CAS #: 77-92-9

Formula: CH₃COO(CH₂)₃CH₃   Formula Weight: 116.16   CAS #: 123-86-4 Boiling Point: 127°C Specific Gravity: 0.88