Electron Microscopy Sciences, Reagents
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Cadmium Iodine, Crystal, Reagent, A.C.S.
Electron Microscopy SciencesUsed for negative staining. Formula: CdI2 Formula Weight: 366.21 Grade: Reagent A.C.S. CAS #: 7790-80-9 UN #: UN2570 Assay: min. 99.0% Melting Point: 387°C Possible Carcinogen.
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Anhydrous EM Grade Glutaraldehyde: Specially Prepared-10% Solution
Electron Microscopy SciencesRapid-Freezing on a polished metal surface, at the temp. of liquid helium or liquid nitrogen, followed by freeze-substitution in osmium-acetone, has been shown to be a very useful technique for capturing rapid cellular events and for preserving cell ultrastructure. *John M. Robinson and Morris…
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Magnesium Chloride, Hexahydrate, Reagent, A.C.S.
Electron Microscopy SciencesFormula: MgCl2·6H2O Formula Weight: 203.30 CAS #: 7791-18-6 Assay: 99.0-102.0%
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Formaldehyde
Electron Microscopy SciencesFormula: HCHO Formula Weight: 30.03 CAS #: 50-00-0 Specific Gravity: 1.09 Grade: A.C.S.
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Paraformaldehyde, Prepared Fixatives
Electron Microscopy SciencesIn addition to our complete line of Formaldehyde solutions we have now added to the line.
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Glutaraldehyde
Electron Microscopy SciencesFormula: 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…
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Sodium Bicarbonate, Powder, Reagent, A.C.S.
Electron Microscopy SciencesFormula: NaHCO3 Formula Weight: 84.01 CAS # 144-55-8 Assay: 97.7-100.3%
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Methynamine
Electron Microscopy Sciences(Urotropine; Methenamine) Methynamine, 3% Aqueous Formula: C6N4 Formula Weight: 140.19 CAS #: 100-97-0 UN #: UN1328 Used in silver stains. Swift, J.A. (1968) Microsc. Soc. 88, 449.
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Chloroform, Glass Distilled
Electron Microscopy SciencesUV Absorption - 1 cm cell vs H2O wavelength (nm) 290 270 260 255 245 A 0.01 0.02 0.05 0.15 1.0 Assay 99.7% min. Evaporation Residue …
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Styrene
Electron Microscopy Sciences(Vinylbenzene) Formula: C6H5CH:CH2 Formula Weight: 104.14 CAS #: 100-42-5 Specific Gravity: (H2O=1): 0.909 Assay: >99.0% Stabilizer: (p-tert-Butylcatechol)-10-15ppm A monomeric styrene used…
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Aron Alpha® -Ethyl Ultra Speed Adhesive (Quickbond)
Electron Microscopy SciencesAron Alpha , type 200 is a one component, room temperature curing structural adhesive composed mainly of alpha cyanoacrylate monomer in a liquid state. When this monomer is applied in a single thin coating to the bonding surface of the material, it instantly solidifies through polymerization to…
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2,2-Dimethoxypropane
Electron Microscopy Sciences(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
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Paraformaldehyde - Glutaraldehyde Solution (Karnovsky's Fixative)
Electron Microscopy SciencesReady To mix. Kit consists of: 2x10 ml ampoules 16% Formaldehyde1x10 ml ampoules 50% Glutaraldehyde1x50 ml 0.2M Sodium Phosphate Buffer. Mixture 1: (Original Karnovsky's Mixture) 16% Paraformaldehyde Solution: 20ml 50% Glutaraldehyde EM Grade: 8ml 0.2M Sodium…
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Blue Silicone Rubber Kit
Electron Microscopy SciencesBlue 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…
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Paraformaldehyde, EM Grade, Purified
Electron Microscopy SciencesFormula: OH(CH2O)n H Formula Weight Average: 600 CAS #: 30525-89-4 Paraformaldehyde is the condensation product of methylene glycol, a substance not so far isolated in its pure form; it is a white solid with a formaldehyde content between 78 and 98% and is…
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Hexamethylenetetramine
Electron Microscopy Sciences(Urotropine; Methenamine) Formula: C6N4 Formula Weight: 140.19 CAS #: 100-97-0 UN #: UN1328 Assay: 99.0-100.5%
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Dodecenyl Succinic Anhydride (DDSA), Specially Distilled
Electron Microscopy SciencesFormula: C16H26O3 Formula Weight: 266.38 CAS #: 2654-438-7 Specific Gravity: 1.005
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Divinyl Benzene
Electron Microscopy SciencesA cross-linking monomer. Inhibited with up to 1,500 ppm p-tert-butyl catechol. Formula: C6H4(CH:CH2)2 Formula Weight: 130.19 CAS #: 1321-74-0 Specific Gravity: 0.91
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Sodium Ethylate
Electron Microscopy Sciences(Sodium Ethoxide) Formula: C2H5ONa Formula Weight: 68.05 CAS #: 141-52-6 Used as an agent for flattening thick sections (0.5-2.0 micron) of epoxy embedded material. Felix Sierra, Christa Hegele-Hartung and Henning…
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Electron Microscopy Sciences Colloidal Silver Liquid
Electron Microscopy Sciencespropanol base. Fast drying. Average grain size less than 1 µm and Silver content is 60%. Sheet resistance is 0.02 ohm per square inch @ 1 mil thickness. Comes with a brush attached to the cap. Service temperature is 30 minutes at 200 deg C.
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Potassium Sodium Tartrate, Tetrahydrate Reagent, A.C.S.
Electron Microscopy Sciences(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…
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Lead Acetate, Trihydrate Reagent, A.C.S.
Electron Microscopy SciencesFormula: Pb(CH3COO)2·3H20 Formula Weight: 379.33 CAS #: 6080-56-4
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Potassium Hydroxide, Pellets, Reagent, A.C.S.
Electron Microscopy SciencesKOH Formula Weight: 56.11 CAS #: 1310-58-3 Assay: >85.0% Water contains: 10-15%
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Digitonin
Electron Microscopy SciencesAn 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: …
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N,N-Dimethylaniline
Electron Microscopy SciencesFormula: C6H5N(CH3)2 Formula Weight: 121.18 CAS #: 121-69-7 Specific Gravity: 0.96 g/ml
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Quetol 651, Resin
Electron Microscopy Sciences(Ethylene Glycol Diglycidyl Ether) Formula: C8H14O4 Formula Weight: 174.20 CAS #: 2224-15-9 Specific Gravity (H2O=1): 1.15
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Formalin Prefilled HistoTainer™
Electron Microscopy SciencesThe 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.
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Dextrose, Anhydrous, Reagent
Electron Microscopy Sciences(D-Glucose) Formula: C6H12O6 Formula Weight: 180.16 CAS #: 50-99-7
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Benzoin Ethyl Ether
Electron Microscopy Sciences(ethoxy phenylacetophenone) Formula: C6H5COCH(CO2H5)C6H5 Formula Weight: 240.31 CAS #: 574-09-4 Melting Point: 56-59°C
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Cardolite NC-513
Electron Microscopy SciencesFormula: CH2OCHCH2OC6H4C15H27 Formula Weight: 356 W.P.E.: 490 15-M-Phenylglycidyl-(n-pentadecca-8,11-dienyl) CAS #: 106-89-8 Specific Gravity: 0.97 at 24°C A…