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ChemicalBook >> CAS DataBase List >> trans-2-Methyl-2-pentenoic acid

trans-2-Methyl-2-pentenoic acid

trans-2-Methyl-2-pentenoic acid price.
  • $5 - $3180
  • Product name: trans-2-Methyl-2-pentenoic acid
  • CAS: 16957-70-3
  • MF: C6H10O2
  • MW: 114.14
  • EINECS:241-026-4
  • MDL Number:MFCD00002655
  • Synonyms:FEMA NUMBER 3195;(e)-2-methylpent-2-en-1-oic acid;RARECHEM AL BE 0127;TRANS-2-METHYL-2-PENTENOIC ACID 98+% F;2-Pentenoic acid, 2-methyl-, (2E)-;(E)-2-Methylpent-2-en-1-sure;METHYL-2-PENTENSAEURE, 2-;(2E)-2-Methyl-2-pentenoic acid
Price34 Properties Safety Information Description
34 prices
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Brand
  • aablocks
  • AK Scientific
  • Ambeed
  • Crysdot
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • Synthonix
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
  • Usbiological
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  • 1 unit
  • Manufactureraablocks
  • Product numberAA00AODN
  • Product description(E)-2-Methylpent-2-enoic acid 99%
  • Packaging10g
  • Price$9
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00AODN
  • Product description(E)-2-Methylpent-2-enoic acid 99%
  • Packaging25g
  • Price$16
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00AODN
  • Product description(E)-2-Methylpent-2-enoic acid ≥98%
  • Packaging50g
  • Price$26
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00AODN
  • Product description(E)-2-Methylpent-2-enoic acid ≥98%
  • Packaging100g
  • Price$46
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00AODN
  • Product description(E)-2-Methylpent-2-enoic acid ≥98%
  • Packaging250g
  • Price$101
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00AODN
  • Product description(E)-2-Methylpent-2-enoic acid 98%
  • Packaging500g
  • Price$174
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ93905
  • Product descriptiontrans-2-Methyl-2-pentenoic acid
  • Packaging25g
  • Price$33
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA582598
  • Product description(E)-2-Methylpent-2-enoicacid 99%
  • Packaging25g
  • Price$12
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA582598
  • Product description(E)-2-Methylpent-2-enoicacid 99%
  • Packaging250mg
  • Price$5
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA582598
  • Product description(E)-2-Methylpent-2-enoicacid 99%
  • Packaging10g
  • Price$6
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD13020789
  • Product description(E)-2-Methylpent-2-enoicacid 95+%
  • Packaging100g
  • Price$174
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD13020789
  • Product description(E)-2-Methylpent-2-enoic acid 95+%
  • Packaging100g
  • Price$174
  • Updated2026-05-20
  • Buy
  • ManufacturerCrysdot
  • Product numberCD13020789
  • Product description(E)-2-Methylpent-2-enoic acid 95+%
  • Packaging100g
  • Price$174
  • Updated2026-05-27
  • Buy
  • ManufacturerMedical Isotopes, Inc.
  • Product number71503
  • Product descriptiontrans-2-Methyl-2-pentenoic acid
  • Packaging500g
  • Price$1025
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberW319503
  • Product descriptiontrans-2-Methyl-2-pentenoic acid ≥98%, FCC, FG
  • Packaging5kg
  • Price$2130
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberW319503
  • Product descriptiontrans-2-Methyl-2-pentenoic acid ≥98%, FCC, FG
  • Packaging10kg
  • Price$3180
  • Updated2024-03-01
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00AODN (E)-2-Methylpent-2-enoic acid 99% 10g $9 2026-05-28 Buy
aablocks AA00AODN (E)-2-Methylpent-2-enoic acid 99% 25g $16 2026-05-28 Buy
aablocks AA00AODN (E)-2-Methylpent-2-enoic acid ≥98% 50g $26 2026-05-28 Buy
aablocks AA00AODN (E)-2-Methylpent-2-enoic acid ≥98% 100g $46 2026-05-28 Buy
aablocks AA00AODN (E)-2-Methylpent-2-enoic acid ≥98% 250g $101 2026-05-28 Buy
aablocks AA00AODN (E)-2-Methylpent-2-enoic acid 98% 500g $174 2026-05-28 Buy
AK Scientific J93905 trans-2-Methyl-2-pentenoic acid 25g $33 2021-12-16 Buy
Ambeed A582598 (E)-2-Methylpent-2-enoicacid 99% 25g $12 2021-12-16 Buy
Ambeed A582598 (E)-2-Methylpent-2-enoicacid 99% 250mg $5 2021-12-16 Buy
Ambeed A582598 (E)-2-Methylpent-2-enoicacid 99% 10g $6 2021-12-16 Buy
Crysdot CD13020789 (E)-2-Methylpent-2-enoicacid 95+% 100g $174 2021-12-16 Buy
Crysdot CD13020789 (E)-2-Methylpent-2-enoic acid 95+% 100g $174 2026-05-20 Buy
Crysdot CD13020789 (E)-2-Methylpent-2-enoic acid 95+% 100g $174 2026-05-27 Buy
Medical Isotopes, Inc. 71503 trans-2-Methyl-2-pentenoic acid 500g $1025 2021-12-16 Buy
Sigma-Aldrich W319503 trans-2-Methyl-2-pentenoic acid ≥98%, FCC, FG 5kg $2130 2026-04-30 Buy
Sigma-Aldrich W319503 trans-2-Methyl-2-pentenoic acid ≥98%, FCC, FG 10kg $3180 2024-03-01 Buy
Next Last

Properties

Melting point :26-28 °C (lit.)
Boiling point :123-125 °C/30 mmHg (lit.)
Density :0.979 g/mL at 25 °C
vapor density :>1 (vs air)
vapor pressure :1.63Pa at 24℃
FEMA :3195 | 2-METHYL-2-PENTENOIC ACID
refractive index :n20/D 1.46(lit.)
Flash point :226 °F
storage temp. :Sealed in dry,Room Temperature
solubility :soluble in Chloroform, Methanol
form :clear liquid
pka :5.00±0.19(Predicted)
color :Colorless to Light orange to Yellow
Odor :at 10.00 % in dipropylene glycol. fruity strawberry woody
Odor Type :fruity
biological source :synthetic
Water Solubility :insoluble
Major Application :flavors and fragrances
Cosmetics Ingredients Functions :PERFUMING
InChI :1S/C6H10O2/c1-3-4-5(2)6(7)8/h4H,3H2,1-2H3,(H,7,8)/b5-4+
InChIKey :JJYWRQLLQAKNAD-SNAWJCMRSA-N
SMILES :CC\C=C(/C)C(O)=O
LogP :1.9 at 25℃
CAS DataBase Reference :16957-70-3(CAS DataBase Reference)
NIST Chemistry Reference :2-Pentenoic acid, 2-methyl-, (E)-(16957-70-3)
EPA Substance Registry System :2-Pentenoic acid, 2-methyl-, (2E)- (16957-70-3)

Safety Information

Symbol(GHS): Corrosion (GHS05)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P363 Wash contaminated clothing before reuse.

Description

trans-2-Methyl-2-pentenoic Acid is an unsaturated analog of the anticonvulsant Valproic Acid (V094750) and is used for aroma characterization of different beers with different hops.

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Suppliers and manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
trans-2-Methyl-2-pentenoic acid
$100.00
trans-2-Methyl-2-pentenoic acid CAS:16957-70-3
career henan chemical co
trans-2-Methyl-2-pentenoic acid
$1.00
trans-2-Methyl-2-pentenoic acid CAS:16957-70-3
TargetMol Chemicals Inc.
(E)-2-Methyl-2-pentenoic acid
$29.00
(E)-2-Methyl-2-pentenoic acid CAS:16957-70-3
Henan Tianfu Chemical Co.,Ltd.
Shanghai Longyu Biotechnology Co., Ltd.
Alchem Pharmtech,Inc.
CONIER CHEM AND PHARMA LIMITED
Hefei TNJ Chemical Industry Co.,Ltd.
HANGZHOU CLAP TECHNOLOGY CO.,LTD
Shanghai UCHEM Inc.