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Merck
CN

264776

trans-2-Methyl-2-pentenoic acid

97%

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About This Item

Linear Formula:
C2H5CH=C(CH3)CO2H
CAS Number:
16957-70-3
Molecular Weight:
114.14
NACRES:
NA.22
PubChem Substance ID:
24856035
UNSPSC Code:
12352100
EC Number:
241-026-4
MDL number:
MFCD00002655
Assay:
97%
Form:
liquid

Key Documents

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Product Name

trans-2-Methyl-2-pentenoic acid, 97%

InChI key

JJYWRQLLQAKNAD-SNAWJCMRSA-N

InChI

1S/C6H10O2/c1-3-4-5(2)6(7)8/h4H,3H2,1-2H3,(H,7,8)/b5-4+

SMILES string

CC\C=C(/C)C(O)=O

vapor density

>1 (vs air)

assay

97%

form

liquid

impurities

2% cis-isomer

refractive index

n20/D 1.46 (lit.)

bp

123-125 °C/30 mmHg (lit.)

mp

26-28 °C (lit.)

functional group

carboxylic acid

Quality Level

100

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General description

Adsorption and desorption of trans-2-methyl-2-pentenoic acid in dichloromethane has been investigated by using in situ attenuated total reflection infrared spectroscopy. Asymmetric hydrogenation of trans-2-methyl-2-pentenoic acid in hexane over two well defined E-40692 and E-5220 Engelhard Pd/Al2O3 catalysts modified with cinchonidine has been studied.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 2

flash_point_f

226.4 °F - closed cup

flash_point_c

108 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR9846
SHBR1292
MKCF8861
MKBW3836V
MKBJ9773V

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Shuai Tan et al.
Physical chemistry chemical physics : PCCP, 13(43), 19573-19579 (2011-10-06)
Adsorption and desorption of trans-2-methyl-2-pentenoic acid (MPeA) in dichloromethane (CH(2)Cl(2)) were investigated by using in situ attenuated total reflection infrared (ATR-IR) spectroscopy. A liquid flow-through spectroscopic cell allowed for high quality spectra to be obtained from deposited thin films of
Heterogeneous asymmetric hydrogenation and deuteration of 2-methyl-2-pentenoic acid over Pd supported catalysts: proton/deuterium exchange.
Solladie-Cavallo A, et al.
J. Mol. Catal. A: Chem., 195(1), 181-188 (2003)

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