85-2550-83　Putrescine Dihydrochloride 99+% 25g　CAS No:333-93-7,Free Base: 110-60-1　241379

特徴

• 1,4-Diaminobutane is known to affect the development of plant root systems, it’s inhibition resulting in a more dominant ‘tap’ root system. 1,4-Diaminobutane is an amino acid degradation product. Used in the preparation of hexahydropyrimidines as novel hepatitis C virus inhibitors. Also a reagent in the synthesis of antibacterial castor oil-based polyurethane membranes.
• Synonyms:1,4-Butanediamine Dihydrochloride; 1,4-Diaminobutane Dihydrochloride; Putrescine Dihydrochloride; Putrescine Hydrochloride; Tetramethylenediamine Dihydrochloride
• Molecular Weight:161.1
• Molecular Formula:C₄H₁₄Cl₂N₂
• Appearance:White, crystalline powder
• Purity:≥99% (Assay)
• Melting Point:>280˚C (dec.)
• Solubility:Water (Slightly)
• Heavy Metals:≤0.002%
• Sulfate (SO42-):≤0.02%
• Iron (Fe):≤0.002%
• Residue On Ignition:≤0.2%
• Loss on Drying:≤0.5%
• Yeast and Mold:≤100cfu/g
• E. coli:Negative
• Salmonella:Negative
• Total Plate Count:≤1000 cfu/g
• Storage and Stability:Store at 4°C under inert atmosphere.