Melting point :193-197 °C
Boiling point :296.47°C (rough estimate)
Density :1.5040 (rough estimate)
vapor pressure :0Pa at 25℃
refractive index :1.5800 (estimate)
storage temp. :Sealed in dry,Room Temperature
solubility :118g/l
form :Crystalline Powder
pka :pK1: 3.43;pK2: 4.58;pK3: 5.85;pK4: 7.16 (25°C)
color :White
Water Solubility :>=10 g/100 mL at 19 ºC
BRN :1729167
InChIKey :GGAUUQHSCNMCAU-UHFFFAOYSA-N
LogP :-1.41 at 25℃
CAS DataBase Reference :1703-58-8(CAS DataBase Reference)
EPA Substance Registry System :1,2,3,4-Butanetetracarboxylic acid (1703-58-8)

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 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313 IF eye irritation persists: Get medical advice/attention.