TRANS-2-PENTENOIC ACID

Product Name: TRANS-2-PENTENOIC ACID
CAS No.: 13991-37-2
Chemical Name: TRANS-2-PENTENOIC ACID
Synonyms: 2-PENTENOIC ACID;(E)-Pent-2-enoic acid;PENT-2-ENOIC ACID;FEMA 4193;(E)-2-pentenoate;T2 PENTENOIC ACID;RARECHEM AL BK 0159;(E)-2-PENTENOIC ACID;2-Pentenoicacid,(E)-;rans-pent-2-enoicaci
CBNumber: CB5269170
Molecular Formula: C5H8O2
Formula Weight: 100.12
MOL File: 13991-37-2.mol

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TRANS-2-PENTENOIC ACID Property

Melting point:: 9-11 °C(lit.)
Boiling point:: 106 °C20 mm Hg(lit.)
Density: 0.99 g/mL at 25 °C(lit.)
refractive index: n20/D 1.452(lit.)
FEMA: 4193 | 2-PENTENOIC ACID
Flash point:: 102 °C
storage temp.: Store below +30°C.
solubility: 60g/l
form: Liquid
pka: pK1:4.70 (25°C)
color: Clear colorless to light yellow
Odor: at 100.00 %. acidic feta cheese buttery
Odor Type: cheesy
explosive limit: 1.6%(V)
biological source: synthetic
JECFA Number: 1804
BRN: 1720312
InChI: 1S/C5H8O2/c1-2-3-4-5(6)7/h3-4H,2H2,1H3,(H,6,7)/b4-3+
InChIKey: YIYBQIKDCADOSF-ONEGZZNKSA-N
SMILES: [H]\C(CC)=C(\[H])C(O)=O
LogP: 1.333 (est)
CAS DataBase Reference: 13991-37-2(CAS DataBase Reference)
EPA Substance Registry System: 2-Pentenoic acid, (2E)- (13991-37-2)

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Safety

Hazard Codes: C
Risk Statements: 22-34
Safety Statements: 26-36/37/39-45
RIDADR: UN 3265 8/PG 3
WGK Germany: 3
RTECS: SB2750000
Hazard Note: Harmful/Corrosive
HazardClass: 8
PackingGroup: III
HS Code: 29161900
Storage Class: 8A - Combustible corrosive hazardous materials
Hazard Classifications: Skin Corr. 1B

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P363Wash contaminated clothing before reuse.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 259276
Product name: 2-Pentenoic acid
Purity: predominantly trans, 98%
Packaging: 25g
Price: $164
Updated: 2025/07/31

Sigma-Aldrich

Product number: W419301
Product name: trans-2-Pentenoic Acid
Purity: 98%
Packaging: sample
Price: $59.8
Updated: 2023/06/20

TCI Chemical

Product number: P0345
Product name: trans-2-Pentenoic Acid
Purity: >95.0%(GC)
Packaging: 5mL
Price: $48
Updated: 2025/07/31

TCI Chemical

Product number: P0345
Product name: trans-2-Pentenoic Acid
Purity: >95.0%(GC)
Packaging: 25mL
Price: $149
Updated: 2025/07/31

Sigma-Aldrich

Product number: W419301
Product name: trans-2-Pentenoic Acid
Purity: 98%
Packaging: 100g
Price: $211
Updated: 2023/06/20

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TRANS-2-PENTENOIC ACID Chemical Properties,Usage,Production

Chemical Properties

clear colorless to light yellow liquid

Chemical Properties

Colorless liquid; sour caramellic aroma.

Occurrence

Reported found in banana and beer.

Uses

2-Pentenoic acid has been used in preparation of new nonsteroidal human androgen receptor (hAR) agonists from an hAR antagonist pharmacophore, 2(1H)-piperidino[3,2-g]quinolinone.

Definition

ChEBI: A pent-3-enoic acid in trans- configuration.

Aroma threshold values

Medium strength odor, cheese type; recommend smelling in a 1% solution or less.

Taste threshold values

Sour acetic buttery taste at 25 ppm in water.

TRANS-2-PENTENOIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

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TRANS-2-PENTENOIC ACID Suppliers

Americas 2 Belgium 1 Canada 1 China 87 Europe 1 Finland 1 Germany 2 India 9 Japan 3 Singapore 1 Switzerland 2 Ukraine 1 United Kingdom 9 United States 30 USA 1 Global 151

J & K SCIENTIFIC LTD.

Tel: 18210857532; 18210857532
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
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ProdList: 96815
Advantage: 76

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 4006356688 18621169109
Fax: 86-21-61259102
Email: market03@meryer.com
Country: China
ProdList: 40228
Advantage: 62

Alfa Aesar

Tel: 400-6106006
Fax: 021-67582001/03/05
Email: saleschina@alfa-asia.com
Country: China
ProdList: 30123
Advantage: 84

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
ProdList: 24529
Advantage: 81

Energy Chemical

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Fax: 021-58436166
Email: sales8178@energy-chemical.com
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Tetranov Biopharm

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Email: sales@leadmedpharm.com
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ProdList: 7892
Advantage: 64

jiliang chemicals

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Email: bidingchem@163.com
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Syntechem Co.,Ltd

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Country: China
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Sinopharm Chemical Reagent Co,Ltd.

Tel: 86-21-63210123
Fax: 86-21-63290778 86-21-63218885
Email: sj_scrc@sinopharm.com
Country: China
ProdList: 9815
Advantage: 79

Hangzhou Sage Chemical Co., Ltd.

Tel: +86057186818502 13588463833
Fax: Pls mail us for more information!
Email: info@sagechem.com
Country: China
ProdList: 10266
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View Lastest Price from TRANS-2-PENTENOIC ACID manufacturers

Shaanxi Dideu New Materials Co. Ltd

Product: TRANS-2-PENTENOIC ACID 13991-37-2
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10000KGS
Release date: 2025-07-12

R&D Scientific Inc.

Product: (E)-Pent-2-enoic acid 13991-37-2
Price: US $2400.00/Kg
Min. Order: 1Kg
Purity: 98
Supply Ability: 500 Kg
Release date: 2024-07-25

Career Henan Chemical Co

Product: TRANS-2-PENTENOIC ACID 13991-37-2
Price: US $1.00/g
Min. Order: 1g
Purity: 99.0%
Supply Ability: 100kg
Release date: 2020-01-09

13991-37-2, TRANS-2-PENTENOIC ACIDRelated Search:

TRANS-2-UNDECENAL TRANS-2-PHENYL-1-CYCLOPROPANECARBOXYLIC ACID trans-2-Pentene trans-2-Octen-1-ol TRANS-2-OCTENE TRANS-2-TRIDECEN-1-OL 97 CIS-ACONITIC ANHYDRIDE 1-Cyclopentenecarboxylic acid CITRININ G-STROPHANTHIN 3,4,5,6-Tetrahydrophthalic anhydride Pent-2-ene-1,5-dioic acid Mordant Blue 29 trans-2-Methyl-2-pentenoic acid TRANS-2-HEXENOIC ACID 4-Oxo-4H-1-benzopyran-2-carboxylic acid CYMARIN Digitoxin

(E)-pent-2-en-1-oicacid

2-Pentenoic acid, (E)-

2-Pentenoicacid,(E)-

(2E)-pent-2-enoic acid

(E)-2-pentenoate

trans-alpha,beta-penteneoic acid

2-PENTENOIC ACID

FEMA 4193

(E)-2-PENTENOIC ACID

BETA-ETHYL ACRYLIC ACID

TRANS-PENT-2-ENOIC ACID

TRANS-2-PENTENOIC ACID

RARECHEM AL BK 0159

T2 PENTENOIC ACID

PENT-2-ENOIC ACID

2-Pentenoic acid, 98%, predominantly trans

trans-Pent-2-enoic acid, 98+%

2-Pentenoic acid, (2E)-

Pent-2-enoic acid 97%

trans-2-Pentenoic acid, 98+%

trans-2-Pentenoic acid,97%

trans-2-Pentenoic acid, 90+%, remainder other isomers

trans-2-Pentenoic acid, 97% 25GR

TRANS-2-PENTENOIC ACID FOR SYNTHESIS

(E)-Pent-2-enoic acid

2-Pentenoic acid predominantly trans, 98%

<i>trans</i>-2-Pentenoic Acid

trans-2-PentenoicAcid&gt

rans-pent-2-enoicaci

Trans-2-Pentenoic Acid, Remainder Other Isomers

13991-37-2

C2H5CHCHCO2H

Organic Building Blocks

Building Blocks

C1 to C5

Carboxylic Acids

Carbonyl Compounds