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Merck
CN

111260

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
NACRES:
NA.22
PubChem Substance ID:
24847019
eCl@ss:
39010208
UNSPSC Code:
12352100
EC Number:
211-461-4
MDL number:
MFCD00009384
Beilstein/REAXYS Number:
1718795

Key Documents

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Product Name

trans-2-Pentene, 99%

InChI key

QMMOXUPEWRXHJS-HWKANZROSA-N

InChI

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

SMILES string

CC\C=C\C

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.)

Quality Level

100

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Application

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

General description

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

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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

WGK 3

flash_point_f

-0.4 °F - closed cup

flash_point_c

-18 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ0144
MKCV6454
MKCV6450
MKCT9186
MKCS2038

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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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