Product_Name:	(2Z)-2,3-Dibromo-4-oxo-2-butenoic acid
Bolling_Point:	408.9±45.0 °C at 760 mmHg
MF:	C4H2Br2O3
Symbol:	GHS05
Melting_Point:	120-124 °C(lit.)
CAS:	488-11-9
Density:	2.8±0.1 g/cm3
FW:	257.865
Flash_Point:	201.1±28.7 °C

MF:	C4H2Br2O3
Bolling_Point:	408.9±45.0 °C at 760 mmHg
Exact_Mass:	255.837051
More_Info:	['1 . Appearance White 结晶 ', '2 . Density（g/ m3,25/4℃）Unknow ', '3 . Relative vapor density（g/cm3,Atmosphere =1）Unknow ', '4 . Melting point（ºC）120-124 ', '5 . Boiling point（ºC,Atmospheric pressure）Unknow ', '6 . Boiling point（ºC,52kPa）Unknow ', '7 . Refractive indexUnknow ', '8 . Flash point（ºF）Unknow ', '9 . Specific rotation（º）Unknow ', '10 . Spontaneous ignition point or ignition temperature（ºC）Unknow ', '11 . Vapor pressure（kPa,25ºC）Unknow ', '12 . Saturated vapor pressure（kPa,60ºC）Unknow ', '13 . Combustion heat（KJ/mol）Unknow ', '14 . Critical temperature（ºC）Unknow ', '15 . Critical pressure（KPa）Unknow ', '16 . Oil-water（Octanol /Water ）Logarithmic Value of Distribution Coefficient Unknow ', '17 . Upper limit of explosion（%,V/V）Unknow ', '18 . Lower limit of explosion（%,V/V）Unknow 19 . Solubility Soluble in Water ']
Melting_Point:	120-124 °C(lit.)
PSA:	54.37000
Flash_Point:	201.1±28.7 °C
Refractive_Index:	1.744
Density:	2.8±0.1 g/cm3
Molecular_Structure:	['1 . Molar refractive index 3753 ', '2 . Molar volume （m3/mol）1060 ', '3 . Parachor （902K）3058 ', '4 . Surface tension 690 ', '5 . Polarizability （10 -24cm 3）1488']
Computational_Chemistry:	['1. XlogP :13 ', '2. Hydrogen Bond Donor Count :1 ', '3. Hydrogen Bond Acceptor Count :3 ', '4. Rotatable Bond Count :2 ', '5. Isotope Atom Count :N/A ', '6. TPSA 544 ', '7. Heavy Atom Count :9 ', '8. Topological Polar Surface Area :0 ', '9. Complexity :173 ', '10. Isotope Atom Count :0 ', '11. Defined Atom Stereocenter Count :0 ', '12. Undefined Atom Stereocenter Count :0 ', '13. Defined Bond Stereocenter Count :1 ', '14. Undefined Bond Stereocenter Count :0 ', '15. Covalently-Bonded Unit Count :1']
FW:	257.865
LogP:	0.07
Vapor_Pressure:	0.0±2.2 mmHg at 25°C

Risk_Statements(EU):	R34
Hazard_Codes:	C:Corrosive;
HS_Code:	29183000
Packing_Group:	III
WGK_Germany:	3
Warning_Statement:	P280-P305 + P351 + P338-P310
Safety_Statements:	H314
Symbol:	GHS05
Personal_Protective_Equipment:	Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard_Class:	8
RIDADR:	UN 3261 8/PG 2