Symbol:	GHS05, GHS07
CAS:	591-80-0
Flash_Point:	89.4±0.0 °C
Product_Name:	4-Pentenoic acid
Bolling_Point:	188.5±0.0 °C at 760 mmHg
FW:	100.116
Melting_Point:	54-57 °C(lit.)
MF:	C5H8O2
Density:	1.0±0.1 g/cm3

Refractive_Index:	1.439
Vapor_Pressure:	0.3±0.7 mmHg at 25°C
Flash_Point:	89.4±0.0 °C
LogP:	0.99
Bolling_Point:	188.5±0.0 °C at 760 mmHg
PSA:	37.30000
Molecular_Structure:	['五分子性质数据 ', '1 . Molar refractive index 2650 ', '2 . Molar volume 1007 ', '3 . Parachor （902K）2418 ', '4 . Surface tension 331 ', '5 . Polarizability 1050']
Vapor_Density:	>1 (vs air)
Computational_Chemistry:	['四计算化学数据 ', '1 . XlogP 08 ', '2 . Hydrogen Bond Donor Count 1 ', '3 . Hydrogen Bond Acceptor Count 2 ', '4 . Rotatable Bond Count 3 ', '5 . TPSA 373 ', '6 . Heavy Atom Count 7 ', '7 . Topological Polar Surface Area 0 ', '8 . Complexity 761 ', '9 . Isotope Atom Count 0 ', '10 . Defined Atom Stereocenter Count 0 ', '11 . Undefined Atom Stereocenter Count 0 ', '12 . Defined Bond Stereocenter Count 0 ', '13 . Undefined Bond Stereocenter Count 0 ', '14 . Covalently-Bonded Unit Count 1']
Melting_Point:	54-57 °C(lit.)
MF:	C5H8O2
Exact_Mass:	100.052429
FW:	100.116
Density:	1.0±0.1 g/cm3
More_Info:	['1. Appearance Colourless Liquid ，酸味的带有甜的后味的焦糖香味。 ', '2. Density（g/cm3）0981 ', '3. Melting point（ºC）-225 ', '4. Boiling point（ºC）1885，83~84（16kpa） ', '5. Refractive index（n20）14273-14303。 ', '6. Flash point（ºC）89 ', '7相对. Density（20℃，4℃）09809 ', '8常温. Refractive index（n20）14281 ', '9液相标准. Combustion heat(焓)(kJ·mol-1)-26803 ', '10液相标准声称热(焓)( kJ·mol-1)-4305 ', '11. Solubility 易Soluble in Ethanol and Ethyl ether ，微Soluble in Water 。']

Symbol:	GHS05, GHS07
RIDADR:	UN 3261 8/PG 2
HS_Code:	29161980
Packing_Group:	III
Hazard_Class:	8
Risk_Statements(EU):	R22;R34
WGK_Germany:	3
Personal_Protective_Equipment:	Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
RTECS:	SC4751000
Hazard_Codes:	C:Corrosive;
Warning_Statement:	P280-P305 + P351 + P338-P310
Safety_Statements:	H302-H314