Melting point :120-122 °C(lit.)
Density :1.103 g/mL at 20 °C
vapor pressure :0Pa at 20℃
refractive index :n20/D 1.482
storage temp. :20-25°C
solubility :H₂O: 6 M at 20 °C, clear, colorless
pka :12.5[at 20 ℃]
form :Crystals or Crystalline Powder
Specific Gravity :1.152
color :White or colorless
Odor :Odorless
PH Range :4.8 - 6.0
PH :4.8-6.0 (1420g/l, H2O, 20℃)(saturated solution)
Water Solubility :Soluble in water and ethanol
Sensitive :Light Sensitive
BRN :3563461
Stability :Stability Stable, but light sensitive. Incompatible with acids (contact releases very toxic gas), strong oxidising agents.
InChIKey :ZJYYHGLJYGJLLN-UHFFFAOYSA-N
LogP :-1.5--1.42 at 20℃
CAS DataBase Reference :593-84-0(CAS DataBase Reference)
EPA Substance Registry System :Thiocyanic acid, compd. with guanidine (1:1) (593-84-0)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.