Molecular Structure of Guanidineacetic acid (CAS NO.352-97-6):

IUPAC Name: 2-(diaminomethylideneamino)acetic acid 
Empirical Formula: C₃H₇N₃O₂
Molecular Weight: 117.1066
H bond acceptors: 5
H bond donors: 5
Freely Rotating Bonds: 2
Polar Surface Area: 45.14 Å²
Index of Refraction: 1.596
Molar Refractivity: 24.95 cm³
Molar Volume: 73.3 cm³
Surface Tension: 74.7 dyne/cm
Density: 1.59 g/cm³
Flash Point: 163.5 °C
Enthalpy of Vaporization: 64.94 kJ/mol
Boiling Point: 346.8 °C at 760 mmHg
Vapour Pressure: 9.89E-06 mmHg at 25°C
Melting point: 300 °C(lit.)
Merck: 14,4495
BRN: 1759179
InChI
InChI=1/C3H7N3O2/c4-3(5)6-1-2(7)8/h1H2,(H,7,8)(H4,4,5,6)
Smiles
C(CNC(N)=N)(O)=O
EINECS: 206-529-5
Product Categories: Pharmaceutical Intermediates

Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany: 3
RTECS: MB7700000
HS Code: 29252000

  Guanidineacetic acid , with CAS number of 352-97-6, can be called 2-[[Amino(imino)methyl]amino]acetic acid ; Betacyamine ; Glycocyamine ; Guanidine,(carboxymethyl)- ; Guanyl glycine ; N-Amidinoglycine ; a-Guanidinoacetic acid . It is a white to slightly beige fine crystalline powder.