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CAS No.: | 590-18-1 |
---|---|
Name: | CIS-2-BUTENE |
Article Data: | 767 |
Molecular Structure: | |
Formula: | C4H8 |
Molecular Weight: | 56.1075 |
Synonyms: | 2-Butene, (Z)-;High-boiling butene-2;cis-1,2-Dimethylethylene;beta-cis-Butylene;beta-cis-Butylene; |
EINECS: | 209-673-7 |
Density: | 0.636 g/cm3 |
Melting Point: | -139 °C(lit.) |
Boiling Point: | 3.719 °C at 760 mmHg |
Flash Point: | -99 °F |
Solubility: | Insoluble in water |
Appearance: | colorless liquefied petroleum gas. |
Hazard Symbols: | F+ |
Risk Codes: | 12 |
Safety: | 9-16-33 |
Transport Information: | UN 1012 2.1 |
PSA: | 0.00000 |
LogP: | 1.58240 |
Conditions | Yield |
---|---|
In neat (no solvent) heating at 50°C for a few hours; same result in CCl4 at 50°C; | A 100% B n/a C n/a D n/a |
Conditions | Yield |
---|---|
In not given 50°C; | A 98% B n/a |
Conditions | Yield |
---|---|
In toluene thermal decompn. at 95°C (70 h); | A 0.4% B 0.6% C 1.1% D 97.8% E 0.1% |
In toluene thermal decompn. at 95°C (23 h); | A 8% B 20.9% C 46.3% D 20.2% E 4.6% |
Conditions | Yield |
---|---|
Ni(DMPMNBu)Cl2 In toluene at 30 - 60℃; under 15201 Torr; Product distribution / selectivity; Autoclave; Gas phase; | A 93.7% B 5.1% |
yttrium; nickel(II) at 199.9℃; Product distribution; various Ni-substituted catalysts; | A 7.1% B 90% |
With C16H19Br2N4NiP In toluene at 30℃; under 6000.6 Torr; for 0.5h; Catalytic behavior; Time; Reagent/catalyst; Temperature; |
A
1-butylene
B
(Z)-2-Butene
C
trans-2-Butene
D
ethene
E
buta-1,3-diene
Conditions | Yield |
---|---|
In toluene thermal decompn. at 95°C (23 h); | A 93.1% B 1.3% C 0.3% D 0.5% E 4.8% |
A
1-butylene
B
(Z)-2-Butene
trans-hydridoiodobis(triethylphosphine)platinum(II)
D
trans-2-Butene
Conditions | Yield |
---|---|
In acetone Kinetics; at 283.66-313.16 K; NMR; | A 91.8% B 5.9% C n/a D 3.1% |
A
1-butylene
B
(Z)-2-Butene
trans-bis(triethylphosphine)(hydrido)(selenocyanato) platinum(II)
D
trans-2-Butene
Conditions | Yield |
---|---|
In acetone Kinetics; at 298.16 K; NMR; | A 90.6% B 5.4% C n/a D 4% |
Conditions | Yield |
---|---|
In benzene-d6 Kinetics; at 167 +/- 1°C; | A 90% B <5 |
Conditions | Yield |
---|---|
In benzene-d6 Kinetics; thermolysis at 167+/-1°C; | A 6% B 90% |
Conditions | Yield |
---|---|
In benzene at 50℃; for 2h; | A n/a B 89% |
The cas register number of cis-2-Butene is 590-18-1. It also can be called as cis-1,2-Dimethylethylene and the IUPAC Name about this chemical is (Z)-but-2-ene. It belongs to the following product categories, such as Gas Cylinders, Hydrocarbons (Low Boiling point), Synthetic Organic Chemistry, Chemical Synthesis, Compressed and Liquefied Gases, Synthetic Reagents and so on.
Physical properties about cis-2-Butene are: (1)ACD/LogP: 2.34; (2)ACD/LogD (pH 5.5): 2.336; (3)ACD/LogD (pH 7.4): 2.336; (4)ACD/BCF (pH 5.5): 35.094; (5)ACD/BCF (pH 7.4): 35.094; (6)ACD/KOC (pH 5.5): 444.321; (7)ACD/KOC (pH 7.4): 444.321; (8)Index of Refraction: 1.384; (9)Molar Refractivity: 20.638 cm3; (10)Molar Volume: 88.177 cm3; (11)Polarizability: 8.182x10-24cm3; (12)Surface Tension: 16.795 dyne/cm; (13)Enthalpy of Vaporization: 23.34 kJ/mol; (14)Boiling Point: 3.719 °C at 760 mmHg; (15)Vapour Pressure: 1595.904 mmHg at 25°C.
Preparation: this chemical can be prepared by ethene, this reaction also can produce butane. This reaction will need reagent H2, ZrO2. The reaction reaction temperature is 298 ℃. The yield is about 48.9%.
Uses of cis-2-Butene: it can be used to produce ethyl perhydro-2,2,4,5-tetramethyl-3-oxo-1H-cyclobuta[b]pyrrole-1-carboxylate. This reaction will need solvent acetonitrile with reaction time of 16 hours. The yield is about 78%.
When you are using this chemical, please be cautious about it as the following:
This chemical is extremely flammable. When you are using it, please keep container in a well-ventilated place and keep away from sources of ignition, you also need take precautionary measures against static discharges.
You can still convert the following datas into molecular structure:
(1)SMILES: C/C=C\C
(2)InChI: InChI=1/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3-
(3)InChIKey: IAQRGUVFOMOMEM-ARJAWSKDBO
(4)Std. InChI: InChI=1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3-
(5)Std. InChIKey: IAQRGUVFOMOMEM-ARJAWSKDSA-N