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1-Pentene

Product Name
1-Pentene
CAS No.
109-67-1
Chemical Name
1-Pentene
Synonyms
1-C5H10;AMYLENE;PENTENE;1-Penten;petene-1;1-PENTENE;1-AMYLENE;Pentene-1;N-AMYLENE;l-pentene
CBNumber
CB8852784
Molecular Formula
C5H10
Formula Weight
70.13
MOL File
109-67-1.mol
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1-Pentene Property

Melting point:
-165 °C
Boiling point:
29.9-30.1 °C (lit.)
Density 
0.641 g/mL at 25 °C (lit.)
vapor density 
2.4 (vs air)
vapor pressure 
10.27 psi ( 20 °C)
refractive index 
n20/D 1.371(lit.)
Flash point:
−20 °F
storage temp. 
2-8°C
solubility 
alcohol: miscible(lit.)
form 
Liquid
pka
>14 (Schwarzenbach et al., 1993)
Specific Gravity
0.64
color 
Clear colorless
Odor
Like gasoline.
Odor Threshold
0.1ppm
explosive limit
8.7%
Water Solubility 
0.15 g/L (20 ºC)
Merck 
14,7122
BRN 
1731629
Henry's Law Constant
0.406 at 25 °C (Hine and Mookerjee, 1975)
Dielectric constant
2.1(20℃)
Stability:
Stable. Incompatible with strong oxidizing agents. Highly flammable - readily forms explosive mixtures with air.
LogP
2.4-2.66 at 25℃
CAS DataBase Reference
109-67-1(CAS DataBase Reference)
NIST Chemistry Reference
1-Pentene(109-67-1)
EPA Substance Registry System
1-Pentene (109-67-1)
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Safety

Hazard Codes 
F+,Xn,F,Xi
Risk Statements 
12-52/53-65
Safety Statements 
61-62-16
RIDADR 
UN 1108 3/PG 1
WGK Germany 
3
RTECS 
SB2179000
Autoignition Temperature
522 °F
Hazard Note 
Irritant/Extremely Flammable/Keep Cold
TSCA 
Yes
HazardClass 
3
PackingGroup 
I
HS Code 
29321900
Hazardous Substances Data
109-67-1(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H224Extremely flammable liquid and vapour

H304May be fatal if swallowed and enters airways

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
76969
Product name
1-Pentene
Purity
analytical standard
Packaging
5ml
Price
$139
Updated
2024/03/01
Sigma-Aldrich
Product number
241997
Product name
1-Pentene
Purity
98%
Packaging
25g
Price
$84.5
Updated
2024/03/01
TCI Chemical
Product number
P0316
Product name
1-Pentene
Purity
>98.0%(GC)
Packaging
25mL
Price
$38
Updated
2024/03/01
TCI Chemical
Product number
P0316
Product name
1-Pentene
Purity
>98.0%(GC)
Packaging
500mL
Price
$374
Updated
2024/03/01
Alfa Aesar
Product number
A16723
Product name
1-Pentene, 97%
Packaging
25g
Price
$56.65
Updated
2024/03/01
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1-Pentene Chemical Properties,Usage,Production

Chemical Properties

1-Pentene, C5H10, is a flammable liquid with specific gravity 0.641. It occurs in coal tar and in petroleum cracking mixtures, and polymerizes on extended periods of storage (15, 320).

Physical properties

Clear, colorless, volatile, very flammable liquid with a disagreeable odor. An odor threshold concentration of 10 ppbv was determined by a triangular odor bag method (Nagata and Takeuchi, 1990).

Uses

1-Pentene is used in the preparation of d-xylitol, l-arabinitol and hydrazones of substituted salicylaldehydes. It is also used as a blending agent for of high-octane gasoline. It reacts with p-toluenesulfinate to yield 1-(2-iodo-pentane-1-sulfonyl)-4-methyl-benzene. It is also involved in Gas Chromatography and Liquid Chromatography analysis.

Uses

Blending agent for high octane motor fuel; organic synthesis.

Production Methods

1-Pentene is prepared from allyl bromide and ethyl magnesium bromide in ether or in dipropyl ether.

General Description

Colorless liquid with an odor of gasoline. Flash point -20°F(Aldrich). Insoluble in water and less dense than water. Hence floats on water. Flammable vapor is produced. Boiling point 86°F.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

1-Pentene may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. May undergo exothermic polymerization reactions in the presence of various catalysts (such as acids) or initiators.

Health Hazard

Acts as a simple asphyxiant or weak anesthetic in high vapor concentrations. Similar to effects caused by gasoline vapors.

Fire Hazard

Behavior in Fire: Containers may explode in fire.

Chemical Reactivity

Reactivity with Water No reaction; Reactivity with Common Materials: No reaction; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

Potential Exposure

Workers in petroleum refineries and petrochemical plants.

Source

Schauer et al. (2001) measured organic compound emission rates for volatile organic compounds, gas-phase semi-volatile organic compounds, and particle-phase organic compounds from the residential (fireplace) combustion of pine, oak, and eucalyptus. The gas-phase emission rate of 1-pentene was 8.6 mg/kg of pine burned. Emission rates of 1-pentene were not measured during the combustion of oak and eucalyptus.
California Phase II reformulated gasoline contained 1-pentene at a concentration of 1.48 g/kg. Gas-phase tailpipe emission rates from gasoline-powered automobiles with and without catalytic converters were 0.40 and 51.8 mg/km, respectively (Schauer et al., 2002).

Environmental Fate

Biological. Biooxidation of 1-pentene may occur yielding 4-penten-1-ol, which may oxidize to give 4-pentenoic acid (Dugan, 1972). Washed cell suspensions of bacteria belonging to the genera Mycobacterium, Nocardia, Xanthobacter, and Pseudomonas and growing on selected alkenes metabolized 1-pentene to 1,2-epoxypentane. Mycobacterium sp., growing on ethene, hydrolyzed 1,2-epoxypropane to 1,2-propanediol (Van Ginkel et al., 1987).
Photolytic. The following rate constants were reported for the reaction of 1-pentene and OH radicals in the atmosphere: 1.8 x 10-13 cm3/molecule?sec at 300 K (Hendry and Kenley, 1979); 3.14 x 10-11 cm3/molecule?sec (Atkinson, 1990). Atkinson (1990) also reported a photooxidation rate constant of 1.10 x 10-17 cm3/molecule?sec for the reaction of 1-pentene and ozone.
Chemical/Physical. Complete combustion in air yields carbon dioxide and water.

Shipping

UN1108 1-Pentene, Hazard Class: 3; Labels: 3-Flammable liquid

Incompatibilities

Vapors may form explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Excessive heat may cause polymerization. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, heat. Incompatible with strong reducing agents such as hydrides; oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides.

Waste Disposal

Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.

1-Pentene Preparation Products And Raw materials

Raw materials

Preparation Products

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1-Pentene Suppliers

Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Shanghai Longsheng chemical Co.,Ltd.
Tel
021-58099652-8005 13585536065
Fax
021-58099609
Email
bin.wu@shlschem.com
Country
China
ProdList
9816
Advantage
59
Shandong Xiya Chemical Co., Ltd
Tel
4009903999 13355009207
Fax
0539-6365991
Email
3007715519@qq.com
Country
China
ProdList
18736
Advantage
57
BEST-REAGENT
Tel
400-1166-196 18981987031
Fax
028-84555506 800101999
Email
cdhxsj@163.com
Country
China
ProdList
11726
Advantage
57
China Langchem Inc.
Tel
0086-21-58956006
Fax
0086-21-58956100
Country
China
ProdList
7815
Advantage
57
Sinopharm Chemical Reagent Co,Ltd.
Tel
86-21-63210123
Fax
86-21-63290778 86-21-63218885
Email
sj_scrc@sinopharm.com
Country
China
ProdList
9823
Advantage
79
Maya High Purity Chemicals
Tel
+86 (573) 82222445 (0)18006601000 452520369
Fax
+86 (573) 82222643
Email
sales@maya-r.com
Country
China
ProdList
11714
Advantage
57
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View Lastest Price from 1-Pentene manufacturers

Henan Fengda Chemical Co., Ltd
Product
1-Pentene 109-67-1
Price
US $100.00-1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2023-12-25
Hebei Duling International Trade Co. LTD
Product
1-Pentene 109-67-1
Price
US $50.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
50 tons
Release date
2023-04-23
Shaanxi Dideu Medichem Co. Ltd
Product
1-Pentene 109-67-1
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20T
Release date
2020-01-10

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