Melting point :300 °C
Boiling point :443.25°C (rough estimate)
Density :1.5756 (rough estimate)
refractive index :1.8000 (estimate)
storage temp. :no restrictions.
solubility :1g/l
form :Solid
Colour Index :56085
pka :pK1:0.0;pK2:9.20;pK3:10.50 (25°C)
color :Reddish-violet
Odor :Odorless
PH :5 (1g/l, H2O, 20℃)
Water Solubility :Slightly soluble
Merck :14,6306
BRN :3582175
InChIKey :HZRQHQKDQSVFMQ-UHFFFAOYSA-N
NIST Chemistry Reference :Ammonium purpurate(3051-09-0)
EPA Substance Registry System :2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-[(hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino]-, monoammonium salt (3051-09-0)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P310 Immediately call a POISON CENTER or doctor/physician.