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Merck
CN

W348630

Ethyl trans-2-butenoate

natural, ≥97%, FG

Synonym(s):

Ethyl crotonate

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About This Item

Linear Formula:
CH3CH=CHCOOC2H5
CAS Number:
623-70-1
FEMA Number:
3486
UNSPSC Code:
12164502
PubChem Substance ID:
329830621
EC Number:
210-808-7
NACRES:
NA.21
Flavis number:
9.248
MDL number:
MFCD00009289
Organoleptic:
caramel; pungent; rum; sweet
Grade:
FG
Kosher
natural
Food allergen:
no known allergens

Key Documents

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Product Name

Ethyl trans-2-butenoate, natural, ≥97%, FG

SMILES string

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

InChI

1S/C6H10O2/c1-3-5-6(7)8-4-2/h3,5H,4H2,1-2H3/b5-3+

InChI key

ZFDIRQKJPRINOQ-HWKANZROSA-N

grade

FG
Kosher
natural

reg. compliance

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

assay

≥97%

refractive index

n20/D 1.425

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

caramel; pungent; rum; sweet

Quality Level

300

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Related Categories

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

hcodes

H225,H319

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

35.6 °F - closed cup

flash_point_c

2 °C - closed cup

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SHBR9399
SHBR3991
SHBP7784
SHBN9339
SHBN5014

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Mengya Wang et al.
Applied microbiology and biotechnology, 102(19), 8511-8524 (2018-08-09)
Persisters represent a small bacterial population that is dormant and that survives under antibiotic treatment without experiencing genetic adaptation. Persisters are also considered one of the major reasons for recalcitrant chronic bacterial infections. Although several mechanisms of persister formation have

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