Synonyms: O-(2-Aminopropyl)-O′-(2-methoxyethyl)polypropylene glycol 500 and Polypropylene glycol 500 mono-2-aminoethyl mono-2-methoxyethyl etherCH₃OCH₂CH₂O[CH(CH₃)CH₂O]_nCH₂CH(NH₂)CH₃ M_r~600CAS Number [77110-54-4]MDL Number MFCD00147774PubChem Substance ID 24846306Clear / Colorless / Light Yellow / Light BrownJeffamine^®M-600^®is utilized in Additive Screen, Additive Screen HT, Crystal Screen 2, Crystal Screen HT, Index, Index HT, PEGRx 1 and PEGRx HT crystallization screensHR2-501 is titrated to pH 7.0 using HCl and is sterile filtered

HR2-501 is titrated to pH 7.0 using HClHR2-501 Measured Conductivity Range: 8.8 - 10.3 mS/cm at 25°CHR2-501 Measured Refractive Index Range: 1.40707 - 1.40988 at 20°C

HR2-503 is not titrated and the measured pH is >12.0HR2-503 Measured Conductivity Range: 0.0 - 0.1 µS/cm at 25°CHR2-503 Measured Refractive Index Range: 1.44499 - 1.44565 at 20°C

Hampton Research recommends using HR2-501 to reproduce and optimize the following Hampton Research screen reagents:-Crystal Screen 2 reagent 180.01 M Iron(III) chloride hexahydrate, 0.1 M Sodium citrate tribasic dihydrate pH 5.6, 10% v/v Jeffamine^®M-600^®

-Index reagent 3830% v/v Jeffamine^® M-600^® pH 7.0, 0.1 M HEPES pH 7.0

Jeffamine is a registered trademark of the Huntsman Petrochemical Corporation.M-600 is a registered trademark of Texaco.