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Basic Information
CAS No.: 471-29-4
Name: methylguanidine
Article Data: 63
Molecular Structure:
Molecular Structure of 471-29-4 (methylguanidine)
Formula: C2H7 N3
Molecular Weight: 73.0977
Synonyms: Guanidine,methyl- (6CI,7CI,8CI,9CI); 1-Methylguanidine; Methylguanidine;N-Methylguanidine; N1-Methylguanidine
Density: 1.19g/cm3
Melting Point: 180-200℃
Boiling Point: 172.4°Cat760mmHg
Flash Point: 58.1°C
Safety: Poison by subcutaneous, intravenous, and intraperitoneal routes. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
PSA: 61.90000
LogP: 0.29020
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Chemistry

IUPAC Name: 2-Methylguanidine
Synonyms of Methylguanidine (CAS NO.471-29-4): Methylguanidin ; Monomethyl guanidin ; Monomethylguanidine ; N-Methylguanidine ; Guanidine, methyl-
CAS NO: 471-29-4
Molecular Formula: C2H7N3
Molecular Weight : 73.0971
Molecular Structure:
EINECS: 207-438-3
H bond acceptors: 3
H bond donors: 4
Freely Rotating Bonds: 0
Polar Surface Area: 18.84 Å2
Index of Refraction: 1.513
Molar Refractivity: 18.45 cm3
Molar Volume: 61.3 cm3
Surface Tension: 44.2 dyne/cm
Density: 1.19 g/cm3
Flash Point: 58.1 °C
Enthalpy of Vaporization: 40.88 kJ/mol
Boiling Point: 172.4 °C at 760 mmHg
Vapour Pressure: 1.33 mmHg at 25°C

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LDLo unreported 20mg/kg (20mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES		 Zentralblatt fuer Physiologie. Vol. 25, Pg. 441, 1911.
rat LDLo subcutaneous 250mg/kg (250mg/kg)   "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals", 11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989Vol. 11, Pg. 957, 1989.

Consensus Reports

EPA Genetic Toxicology Program.

Safety Profile

Poison by subcutaneous, intravenous, and intraperitoneal routes. Mutation data reported. When Methylguanidine (CAS NO.471-29-4) is heated to decomposition, it emits toxic fumes of NOx.