The Guanidine, N-methyl-,hydrochloride (1:1), with the CAS registry number of 21770-81-0, is also known as 1-Methylguanidine hydrochloride (1:1). This chemical's molecular formula is C₂H₈ClN₃ and molecular weight is 109.56. What's more, its IUPAC name is 2-Methylguanidine hydrochloride.

Physical properties about the Guanidine, N-methyl-,hydrochloride (1:1) are: (1)ACD/LogP: -1.49; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -3.49; (4)ACD/LogD (pH 7.4): -3.49; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 3; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 15.6 Å²; (13)Flash Point: 11.8 °C; (14)Enthalpy of Vaporization: 33.55 kJ/mol; (15)Boiling Point: 95.9 °C at 760 mmHg; (16)Vapour Pressure: 44.5 mmHg at 25 °C.

When you are using this chemical, please be cautious about it as the following:
As a chemical, it is irritating to eyes, respiratory system and skin. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice. It is harmful if swallowed. In addition, during using it, wear suitable protective clothing, gloves.

You can still convert the following datas into molecular structure:
(1) SMILES: [Cl-].[N@H]=C(N)[NH2+]C
(2) InChI: InChI=1/C2H7N3.ClH/c1-5-2(3)4;/h1H3,(H4,3,4,5);1H
(3) InChIKey: VJQCNCOGZPSOQZ-UHFFFAOYAR

The toxicity data is as follows: