Guanidine phosphate Chemical Properties

Melting point:

247-250 °C (dec.)

Density 

1.48

vapor pressure 

0Pa at 25℃

storage temp. 

Room Temperature

solubility 

H₂O: 0.1 g/mL, clear, colorless

form 

Solid

color 

White to Off-White

Water Solubility 

250g/L at 20℃

InChI

InChI=1S/CH5N3.H3O4P/c2-1(3)4;1-5(2,3)4/h(H5,2,3,4);(H3,1,2,3,4)

InChIKey

CEDDGDWODCGBFQ-UHFFFAOYSA-N

SMILES

C(N)(N)=N.P(O)(O)(O)=O

LogP

-3.48 at 25℃

CAS DataBase Reference

5423-23-4(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xn

Risk Statements 

20/22-36/38

Safety Statements 

26-37

WGK Germany 

3

HS Code 

2925.29.9000

MSDS

• Language:English Provider:SigmaAldrich

Guanidine phosphate Usage And Synthesis

Chemical Properties

White crystalline powder. Soluble in water (15.5 g/100 g at 20°C) but only slightly soluble in methanol (0.1 g/100 g at 20°C). It is practically insoluble in organic solvents such as benzene, acetone, and diethyl ether. 

History

Guanidine phosphate (GP) was first synthesized by a Japanese scholar Kiichiro Sugino in 1938.

Uses

Guanidine Phosphate can be used as flame retardant, water repellent and rust inhibitor for wood, fiber, paper, etc.

Preparation

Synthesis of Guanidine Phosphate:
Add sodium metal into methanol, add guanidine hydrochloride in the mixtrue and was heated to 60°C with stirring. Then, it is cooled and filtered, phosphoric acid is added to the filtrate, and the reaction is carried out under stirring, and the guanidine phosphate is precipitated.

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