Guanidina cloridrato, per biologia molecolare

- Synonyms: Guanidinium chloride, Aminomethanamidine hydrochloride, Carbamidine hydrochloride
- CH5N3·HCl
- M = 95,53 g/mol
- CAS [50-01-1]
- EINECS-No.: 200-002-3
- Solub. in water: (20 ºC): soluble
- Melting point: 185 ºC
- LD 50 (oral, rat): 475 mg/kg
- EC-Index-No.: 607-148-00-0
- GHS-signal word: Warning
- GHS-H sentences: H302 - H315 - H319
- GHS-P sentences: P280 - P305+P351+P338 - P321 - P301+P312 - P332+P313 - P501a
- Tariff number: 2925 29 00 90
- Applications: synthesis of organic products, in biochemistry, for pharmaceutical use.

SPECIFICATIONS
assay (titration with HClO4): min. 99,5 %
identity (IR-spectrum): passes test
pH (10 %, H2O): 5,5 - 6,5

0,1 M in a 1 cm cell at 260 nm: max. 0,050 AU

0,1 M in a 1 cm cell at 280 nm: max. 0,010 AU
heavy metals (as Pb): max. 0,001 %
iron (Fe): max. 5 ppm
residue on ignition (600 ºC): max. 0,05 %
water (K.F.): max. 1 %
DNases, RNases, Proteases : non detected