Polietilenglicol 6000, per biologia molecolare

- Synonyms: Carbowax, PEG, Polyoxyethylene glycol, Polyglycol, Polyethylene oxider- HO(C2H4O)nHr- M = 6000 g/molr- CAS [25322-68-3]r- EINECS-No.: 203-473-3r- Solub. in water: (20 ºC): ~ 500 g/lr- Melting point: 55 - 62 ºCr- Flash pt. 250 ºCr- Ignition temp.: 420 ºCr- Vapour pressure: (20 ºC) < 0,1 hPar- LD 50 (oral, rat): > 50000 mg/kgr- Tariff number: 3404 20 00 00r- Applications: synthesis of organic products, in food industry, cosmetics.rrSPECIFICATIONSridentity (IR-spectrum): passes testrr0,01 M in a 1 cm cell at 260 nm : max. 0,200 AUrr0,01 M in a 1 cm cell at 280 nm : max. 0,100 AUrheavy metals (as Pb): max. 5 ppmrDNases, RNases, Proteases : non detectedr