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Guanidine hydrochloride, molecular biology grade

- Synonyms: Guanidinium chloride, Aminomethanamidine hydrochloride, Carbamidine hydrochlorider- CH5N3·HClr- M = 95,53 g/molr- CAS [50-01-1]r- EINECS-No.: 200-002-3r- Solub. in water: (20 ºC): solubler- Melting point: 185 ºCr- LD 50 (oral, rat): 475 mg/kgr- EC-Index-No.: 607-148-00-0r- GHS-signal word: Warningr- GHS-H sentences: H302 - H315 - H319r- GHS-P sentences: P280 - P305+P351+P338 - P321 - P301+P312 - P332+P313 - P501ar- Tariff number: 2925 29 00 90r- Applications: synthesis of organic products, in biochemistry, for pharmaceutical use.rrSPECIFICATIONSrassay (titration with HClO4): min. 99,5 %ridentity (IR-spectrum): passes testrpH (10 %, H2O): 5,5 - 6,5rr0,1 M in a 1 cm cell at 260 nm: max. 0,050 AUrr0,1 M in a 1 cm cell at 280 nm: max. 0,010 AUrheavy metals (as Pb): max. 0,001 %riron (Fe): max. 5 ppmrresidue on ignition (600 ºC): max. 0,05 %rwater (K.F.): max. 1 %rDNases, RNases, Proteases : non detectedr