CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 1,4-dichloro-2-butene appears as a clear colorless liquid. Burns, though may be difficult to ignite. Corrosive to tissue. Denser than water and insoluble in water. Vapors heavier than air. Used to make other chemicals. |
|---|---|
| Color/Form | Colorless liquid |
| Odor | Sweet, pungent |
| Boiling Point | 313 °F at 760 mmHg (USCG, 1999) |
| Melting Point | -54 °F (USCG, 1999) |
| Solubility | Sol in alcohol, ether, acetone, benzene |
| Density | 1.112 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Pressure | 3.0 [mmHg] |
| Stability/Shelf Life | Reacts slowly with water to form hydrochloric acid. /Dichlorobutene/ |
| Autoignition Temperature | 55 °C |
| Decomposition | Decomposition vapors contain phosgene and hydrogen chloride gases; both are toxic and irritating. /Dichlorobutene/ |
| Viscosity | 0.0035678 Pa-sec @ melting point |
| Corrosivity | Corrodes metal when wet. /Dichlorobutene/ |
| Heat of Combustion | -17,500 Btu/lb = -9,720 cal/g = -407x10+5 J/kg /Dichlorobutene/ |
| Heat of Vaporization | 130 Btu/lb = 73 cal/g = 3.1x10+5 J/kg /Dichlorobutene/ |
| Surface Tension | 24 dynes/cm = 0.024 N/m at 20 °C /Dichlorobutene/ |
| Refractive Index | Index of refraction: 1.4887 @ 25 °C/D |
| Kovats Retention Index | 874.6 874 |
| Other Experimental Properties | Liquid molar volume = 0.105218 Cu m/kmol; Heat of formation = 7.82X10+7 J/kmol; Flash point = 328.15 deg K; Flammability limits = 2.5 to 12.7 vol% |
| Chemical Classes | Other Classes -> Halogenated Aliphatics, Unsaturated |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H226:Flammable liquids H314:Skin corrosion/irritation H330:Acute toxicity,inhalation H350:Carcinogenicity H400:Hazardous to the aquatic environment, acute hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 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. |
COMPUTED DESCRIPTORS
| Molecular Weight | 124.99 g/mol |
|---|---|
| XLogP3 | 1.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 2 |
| Exact Mass | 123.9846556 g/mol |
| Monoisotopic Mass | 123.9846556 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 34.8 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 1 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
1,4-dichloro-2-butene appears as a clear colorless liquid. Burns, though may be difficult to ignite. Corrosive to tissue. Denser than water and insoluble in water. Vapors heavier than air. Used to make other chemicals.