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Merck

W284300

4-Pentenoic acid

≥98%, stabilized, FG

Synonyme(s) :

3-Vinylpropionic acid, Allylacetic acid

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A propos de cet article

Formule linéaire :
CH2=CHCH2CH2COOH
Numéro CAS:
Poids moléculaire :
100.12
FEMA Number:
2843
Council of Europe no.:
2004
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
8.048
EC Number:
209-732-7
NACRES:
NA.21
MDL number:
Beilstein/REAXYS Number:
1633696
Organoleptic:
cheese
Grade:
FG, Halal, Kosher
Biological source:
synthetic
Agency:
meets purity specifications of JECFA
Food allergen:
no known allergens
Service technique
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biological source

synthetic

Quality Level

grade

FG, Halal, Kosher

agency

meets purity specifications of JECFA

reg. compliance

EU Regulation 1334/2008 & 178/2002, FDA 21 CFR 172.515

vapor density

>1 (vs air)

assay

≥98%

contains

α-tocopherol, synthetic as stabilizer

refractive index

n20/D 1.428 (lit.)

bp

83-84 °C/12 mmHg (lit.)

mp

−22.5 °C (lit.)

density

0.981 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

cheese

SMILES string

OC(=O)CCC=C

InChI

1S/C5H8O2/c1-2-3-4-5(6)7/h2H,1,3-4H2,(H,6,7)

InChI key

HVAMZGADVCBITI-UHFFFAOYSA-N

General description

4-Pentenoic acid is a volatile acid reported to be found in tobacco.


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hcodes

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Classe de stockage

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

192.2 °F - closed cup

flash_point_c

89 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter



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Steam volatile acids of Latakia tobacco leaf.
Creasy PJ & Saxby MJ.
Phytochemistry, 8(12), 2427-2429 (1969)
Daniel C Whitehead et al.
Journal of the American Chemical Society, 132(10), 3298-3300 (2010-02-23)
A reagent controlled organocatalytic enantioselective chlorolactonization reaction has been developed. Several 4-aryl pentenoic acids were cyclized in the presence of 0.1 equiv of (DHQD)(2)PHAL, employing various N-chlorinated hydantoins as the terminal chlorenium source. Ten examples are presented with selectivities ranging
Manuela Hermann et al.
Journal of biotechnology, 133(3), 301-310 (2007-12-15)
Isolated from pig liver as a crude, inhomogeneous enzyme fraction, pig liver esterase (PLE) was found to metabolize a wide range of substrates; often in a highly stereoselective manner. This crude esterase preparation, however, contains several iso-enzymes at proportions varying