Saponin/Glyoxylate Fixative Preserves Immunohistological activity Contains no formaldehyde Fast-acting Mirsky’s Fixative™ is a superior fixing agent for use in immunohistological and immunological protocols. Mirsky’s contains no formaldehyde or glutaraldehyde.…

(Toxilic Acid; cis-Butenediodic Acid) Formula: HOOCCH:CHCOOH   Formula Weight: 116.08   CAS #: 110-16-7 Melting Point: 132-134°C Assay: 99.5%

(Methacrylic Acid Methyl Ester) Formula: CH₂·C(CH₃)COOCH₃   Formula Weight: 100.12   CAS #: 80-62-6 UN #: UN1247 Boiling Point: 99-100°C Specific Gravity @20°C: 0.943 Inhibitor…

(Isopropentane) Formula: CH₂H₅CH(CH₃)₂   Formula Weight: 72.15   CAS #: 78-78-4 Boiling Point: 27-31°C Specific Gravity @ 20°C: 0.62

(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.

Formula: MgCl₂·₆H2O   Formula Weight: 203.30   CAS #: 7791-18-6 Assay: 99.0-102.0%

(Methylcel MC; Cellulose Methyl Ether) CAS #: 9004-67-5 Methoxyl (-CH3) content: 27.5-31.5% Medium viscosity (2% in water, @20°C): 230-550 cps Used with polyethylene glycol in the presence of acidic uranyl acetate to stain cryo sections.