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111260

Sigma-Aldrich

trans-2-Pentene

99%

Synonym(s):

(E)-2-Pentene

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About This Item

Linear Formula:
C2H5CH=CHCH3
CAS Number:
646-04-8
Molecular Weight:
70.13
Beilstein/REAXYS Number:
1718795
EC Number:
211-461-4
MDL number:
MFCD00009384
UNSPSC Code:
12352100
eCl@ss:
39010208
PubChem Substance ID:
24847019
NACRES:
NA.22

vapor pressure

8.17 psi ( 20 °C)

assay

99%

refractive index

n20/D 1.379 (lit.)

bp

37 °C (lit.)

mp

−140 °C (lit.)

density

0.649 g/mL at 25 °C (lit.)

SMILES string

CC\C=C\C

InChI

1S/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3/b5-3+

InChI key

QMMOXUPEWRXHJS-HWKANZROSA-N

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General description

trans-2-Pentene is a significant reactive species in terms of its photochemical consumption and correspondent ozone formation potential.

Application

trans-2-Pentene has been used for the calculation of OH levels by the decay method.

accessory

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Description
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signalword

Danger

Hazard Classifications

Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

-0.4 °F - closed cup

flash_point_c

-18 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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M Anwar H Khan et al.
Journal of environmental sciences (China), 23(1), 60-64 (2011-04-12)
Night-time OH levels have been determined for UK urban surface environments using two methods, the decay and steady state approximation methods. Measurement data from the UK National Environmental Technology Centre archive for four urban sites (Bristol, Harwell, London Eltham and
Shao Min et al.
Environmental science & technology, 45(2), 514-519 (2010-12-07)
Stringent air-quality control measures were implemented for the 2008 Beijing Olympic Games. This large-scale manmade experiment provided an opportunity to evaluate the effectiveness of measures to reduce the reactivity of hydrocarbons (HCs) from emission sources, which is important for ground-level

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