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Guanidine hydrochloride Basic information description Protein Denaturation Uses Drug intermediates Preparation Reference quality standards References Product Name: Guanidine hydrochloride Synonyms: guanidine,monohydrochloride;guanidinechloride;Guanidinemonohydrochloride;guanidiniumhydrochloride;AMINOFORMAMIDINE HCL;AMINOFORMAMIDINE HYDROCHLORIDE;AMINOMETHANAMIDINE HCL;AMINOMETHANAMIDINE HYDROCHLORIDE CAS: 50-01-1 MF: CH5N3.ClH MW: 95.53 EINECS: 200-002-3 Product Categories: Disinfectants;Test Reagents;Pharmaceutical Intermediates;Miscellaneous Biochemicals;Inhibitors;PP;proteinmod;50-01-1 Mol File: 50-01-1.mol   Guanidine hydrochloride Chemical Properties Melting point 180-185 °C(lit.) density 1.18 g/mL at 25 °C(lit.) refractive index n20/D 1.465 storage temp. room temp solubility H2O: 6 M, clear, colorless form Crystals color White to slightly yellow PH 4.5-5.5 (100g/l, H2O, 20℃) Odor Odorless PH Range 4.5 - 6.0 at 573 g/l at 25 °C Water Solubility 2280 g/L (20 ºC) Sensitive Hygroscopic λmax λ: 260 nm Amax: 0.040 λ: 280 nm Amax: 0.025 Merck 14,4562 BRN 3591990 Stability: Stable. Hygroscopic. Incompatible with strong oxidizing agents. InChIKey PJJJBBJSCAKJQF-UHFFFAOYSA-N CAS DataBase Reference 50-01-1(CAS DataBase Reference) EPA Substance Registry System Guanidine monohydrochloride (50-01-1)   Safety Information Hazard Codes Xn,Xi Risk Statements 22-36/38 Safety Statements 26-36-22 WGK Germany 1 RTECS MF4300000 F 3-10 TSCA Yes HS Code 29252000 Toxicity LD50 orally in Rabbit: 655.3 - 907.1 mg/kg LD50 dermal Rabbit > 20