Molecular Structure of Guanidine phosphate (CAS NO.5423-23-4):

Systematic Name: guanidine phosphate (1:1)
SMILES: O=P(O)(O)O.[N@H]=C(N)N
InChI: InChI=1/CH5N3.H3O4P/c2-1(3)4;1-5(2,3)4/h(H5,2,3,4);(H3,1,2,3,4)
InChIKey: CEDDGDWODCGBFQ-UHFFFAOYAV 
Empirical Formula: CH₈N₃O₄P
Molecular Weight: 157.0657
Nominal Mass: 157 Da
Average Mass: 157.0657 Da
Monoisotopic Mass: 157.025242 Da 
EINECS: 226-552-4 
density: 1.48
Flash Point: 268.1 °C
Enthalpy of Vaporization: 86.71 kJ/mol
Boiling Point: 158 °C at 760 mmHg
Vapour Pressure: 1.41 mmHg at 25 °C
Appearance: White crystals
Melting Point: 247-250 °C (dec.)
solubility: H₂O: 0.1 g/mL, clear, colorless
Product Categories: Pharmaceutical Intermediates

Safety Information of Guanidine phosphate (CAS NO.5423-23-4):
Hazard Codes: Xn
Risk Statements: 20/22-36/38 
R20/22:Harmful by inhalation and if swallowed. 
R36/38:Irritating to eyes and skin.
Safety Statements: 26-37 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37:Wear suitable gloves.
WGK Germany: 3

 Guanidine phosphate (CAS NO.5423-23-4), its Synonyms are Bisguanidinium phosphate ; di-Guanidine hydrogen phosphate ; Guanidine,phosphate (2:1) .