Formula: C₅₆H₆₈N₁₆S₄Cu   Formula Weight: 1298.88   CAS # 12040-44-7 Dye Content: Approx. 50% Solubility: Water-soluble Used as a fixative: 0.5-2% Alcian Blue in Glutaraldehyde fixative enhances the preservation and…

A Universal EM Negative Stain used for viruses. In tissue samples it stabilizes nucleic acids and cell membranes. These solutions are more stable than uranyl acetate and they react primarily with negatively charged groups in the absence of phosphate ions. Grade: Reagent Grade, A.C.S. …

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

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.

Used as a laboratory reagent in the determination of sodium concentrations of solutions. Formula: ZnUO₄(CH₃COO)₂ CAS #: 33959-50-1

Formula: Na₂WO₄.2H₂O   Formula Weight: 329.86   CAS #: 10213-10-2 Assay: 99.0-101.0%

(Tungstophosphoric Acid) Formula: H₃[P(W₃O₁₀)₄]   Formula Weight aq: 2880.17+aq CAS #: 12501-23-4

Ruthenium tetroxide is very similar to Osmium tetroxide, and is used as a fixation/staining agent for electron microscopy. Ruthenium tetroxide offers excellent staining of saturated and unsaturated polymer materials as well as stabilizing thin sections under the bombardment of the electron…

A general stain for epoxy thick sections. (Basic blue; Methylene Blue T50 or T Extra) Formula: C₁₅H₁₆N₃SCl   Formula Weight: 305.83   CAS #: 92-31-9 Dye Content: approx. 85% min. Solubility: 3.25% Water; 1.75%…

Formula: Na₂C₄H₄O₆·2H₂O   Formula Weight: 230.08   CAS #: 6106-24-7 Assay: 99.5%-101.0% pH of a 5% solution: @25°C-7.0-9.0 Loss on Drying: @150°C-15.61-15.71%

Imidazole is a liquid enhancing buffering agent that, when used with 4% osmium tetroxide solution as a post-fixation for tissue blocks, produces a prominent electron-opaque staining of lipid droplets with no evidence of diffusion. Procedure: Tissue is fixed by vascular perfusion with…

A metal stain for nucleic acid. Formula: InCl₃   Formula Weight: 221.18   CAS #: 10025-82-8 Chloride Content: 98%

(Acid red 101; Basalan Carmine GE; Rosinduline) Formula: C₂₈H₁₇N₃Na₂O₆S₂   Formula Weight: 601.57   CAS #: 25641-18-3 Solubility: 1.0% Water; 0.1% Alcohol; 1.75% Cellosolve; 4.5% Glycol; 0.01% Xylene

(Alizarin Camine, Mordant Red 3) Formula: C₁₄H₇O₇SNa . H₂O   Formula Weight: 360.28   CAS #: 130-22-3 Solubility: 7.69% Water; 0.1% Alcohol. Certified for Staining Bone. Stain for nervous tissue in small…

(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%…

Formula: CO(NHNH₂)₂   Formula Weight: 90.08   CAS #: 497-18-7 Melting Point: 152-153°C For GACH embedding kit. A water-miscible, lipid-retaining, embedding polymer for E.M.. Heckman, et. al., Ultrastruct. Res., 42,156 (1973).

(Rubin S, Fuchsin S, Fuchsin Acid, Acid Magenta, Acid Violet 19) Formula: C₂₀H₁₇N₃Na₂O₉S₃   Formula Weight: 585.54   CAS #: 3244-88-0 Solubility: 0.053% Water; 1.21% Alcohol

Used as a substitute for uranyl acetate in either double-staining techniques and also as a solo stain. Formula: UO₂Mg(CH₃COO)₄ Formula Weight: 530.0 CAS #: 20596-93-4

A new electron dense stain for elastic tissue.

Formula: Pb(NO₃)₂   Formula Weight: 331.21   Grade: Reagent A.C.S. CAS #: 10099-74-8 UN #: 1469

We are now offering Uranyl Acetate pre-made and ready to use solution for making your work easier. The following percentages are avaialble off the shelf (1, 2, 3, 4). Formula: UO₂(OCOCH₃)₂·2H₂O Formula Weight: 424.14 CAS #: 541-09-3 …

The Electron Microscopy Sciences ammonium molybdate reagent comes in a 100 gram bottle and is ideal for the process of negative staining of viruses for TEM. Application: Used in the Negative Staining of Viruses for Tem

(3',3",5 '5"-Tetrabromophenol-sulfonthalein) Formula: C₁₉H₁₀O₅SBr₄   Formula Weight: 669.97   CAS #: 115-39-9

For ultra fine grain structure, Electron Microscopy Sciences' Uranyl Formate offers amazing advancement in negative staining for microscopy. Contents are radioactive.

Formula: UO₂(OCOCH₃)₂·2H₂O   Formula Weight: 424.14 CAS #: 541-09-3 Assay: 98.0-102.0%

(1,2,3-Triketohydrindene Monohydrate) Formula: C₉O₄·H₂O   Formula Weight: 178.15   CAS #: 485-47-2

(Nitro, BT, p-Nitrotetrazolium Blue; 2, 2´-Di-p-nitrophenyl-5, 5´diphenyl-[3, 3´-dimethoxy-4, 4´-diphenylene] ditetrazolium chloride) Formula: C₄₀H₃₀Cl₂N₁₀O₆   Formula Weight: 817.6   CAS #:…

A technique producing an electron dense osmiophilic polymer when Lucifer Yellow is injected into cells. Lucifer Yellow also can be viewed in living cells as a dye marker and is more sensitive than any other dye. Formula: …

To adjust the pH of Uranyl compounds as well as a negative stain for electron microscopy. Formula: (COO)₂ UO₂ ·.3H₂O

(2,2'-Di[p-nitrophenyl]-5,5'-di[p-thiocarbamylphenyl] -3,3'-[3,3'-dimethoxy-4,4'-biphenylene]ditetrazolium chloride) Formula: C₄₂H₃₂C_l2N₁₂O₆S₂   Formula Weight: 935.8   CAS #: 36889-43-7

Formula: C₁₇H₁₂N₂O₇S₃Na₂   Formula Weight: 498.50   CAS #: 5-1023-76-8 SITS has been used as a vital stain, as a label for immunostaining, and as a neuronal tracer. SITS is also a non-penetrating…