4-METHOXY-3-BUTEN-2-ONE

Product Name: 4-METHOXY-3-BUTEN-2-ONE
CAS No.: 51731-17-0
Chemical Name: 4-METHOXY-3-BUTEN-2-ONE
Synonyms: 4-methoxy-3-butene-2-one;TRANS-4-METHOXY-3-BUTEN-2-ONE;Einecs 257-364-0;4-METHOXY-3-BUTEN-2-ONE;Trans 4-Methoxy Butenone;(E)-4-methoxy-3-buten-2-one;(3E)-4-Methoxybut-3-en-2-one;(3E)-4-Methoxy-3-buten-2-one;TRANS-1-METHOXY-1-BUTEN-3-ONE;3-Buten-2-one,4-methoxy-, (3E)-
CBNumber: CB7449808
Molecular Formula: C5H8O2
Formula Weight: 100.12
MOL File: 51731-17-0.mol

More

Less

4-METHOXY-3-BUTEN-2-ONE Property

Melting point:: 0℃
Boiling point:: 200 °C (lit.)
Density: 0.982 g/mL at 25 °C (lit.)
refractive index: n20/D 1.468(lit.)
Flash point:: 146 °F
storage temp.: 2-8°C
solubility: sol THF, ether, acetonitrile, benzene.
form: liquid
Appearance: Colorless to light yellow Liquid
BRN: 2070991
InChI: InChI=1S/C5H8O2/c1-5(6)3-4-7-2/h3-4H,1-2H3/b4-3+
InChIKey: VLLHEPHWWIDUSS-ONEGZZNKSA-N
SMILES: CC(=O)/C=C/OC

More

Less

Safety

Risk Statements: 10
Safety Statements: 23-24/25
RIDADR: 1224
WGK Germany: 3
F: 10-21

More

Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H227Combustible liquid

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P235Keep cool.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

P370+P378In case of fire: Use … for extinction.

P403+P235Store in a well-ventilated place. Keep cool.

More

Less

N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 122068
Product name: trans-4-Methoxy-3-buten-2-one
Purity: technical grade, 90%
Packaging: 10g
Price: $101
Updated: 2025/07/31

Sigma-Aldrich

Product number: 122068
Product name: trans-4-Methoxy-3-buten-2-one
Purity: technical grade, 90%
Packaging: 50g
Price: $215.6
Updated: 2025/07/31

Sigma-Aldrich

Product number: 122068
Product name: trans-4-Methoxy-3-buten-2-one
Purity: technical grade, 90%
Packaging: 250g
Price: $1180
Updated: 2025/07/31

AK Scientific

Product number: 6378AB
Product name: 4-Methoxybut-3-en-2-one,tech.
Packaging: 5g
Price: $84
Updated: 2021/12/16

More

Less

4-METHOXY-3-BUTEN-2-ONE Chemical Properties,Usage,Production

Uses

4-Methoxy-3-buten-2-one is a versatile four-carbon synthon; precursor to the Danishefsky diene; Diels-Alder dienophile; dipolarophile; electrophilic four-carbon synthon subject to conjugate addition at C-4 followed by elimination of the methoxide anion; its enolate is a nucleophilic four-carbon building block.

storage

4-Methoxy-3-buten-2-one may be harmful by inhalation, ingestion, or skin absorption; may cause skin and eye irritation; in addition to standard safety practice, mechanical exhaust is required. Do not breathe vapor. Store in refrigerator under nitrogen or argon.

4-METHOXY-3-BUTEN-2-ONE Preparation Products And Raw materials

Raw materials

Preparation Products

More

Less

4-METHOXY-3-BUTEN-2-ONE Suppliers

China 80 Germany 2 Switzerland 2 United States 4 Global 88

Tianjin Rongshen Chemical Co., Ltd

Tel: 18317763565; 18317763565
Email: 18317763565@163.com
Country: China
ProdList: 9513
Advantage: 58

Meryer (Shanghai) Chemical Technology Co., Ltd.

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

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44801
Advantage: 61

Syntechem Co.,Ltd

Tel
Fax: E-Mail Inquiry
Email: info@syntechem.com
Country: China
ProdList: 12984
Advantage: 57

Sichuan Kulinan Technology Co., Ltd

Tel: 400-1166-196 18981987031
Fax: 028-84555506 800101999
Email: cdhxsj@163.com
Country: China
ProdList: 11705
Advantage: 57

Anhui Shite Pharmaceutical Technology Co., LTD

Tel: 0555-8228058 13621628489
Fax: 0512-63261912
Email: sales1@stepuppharm.com
Country: China
ProdList: 259
Advantage: 55

Shanghai Topbiochem Technology Co., Ltd

Tel: 021-58170097
Email: info@topbiochem.com
Country: China
ProdList: 9510
Advantage: 58

9ding chemical ( Shanghai) Limited

Tel: 4009209199
Fax: 86-021-52271987
Email: sales@9dingchem.com
Country: China
ProdList: 22514
Advantage: 55

Shanghai Aladdin Bio-Chem Technology Co.,LTD

Tel: 400-6206333 13167063860
Fax: 021-50323701
Email: anhua.mao@aladdin-e.com
Country: China
ProdList: 25003
Advantage: 65

Beijing Universal Century Technology Co., Ltd.

Tel: 400-8706899
Fax: 400-8706899
Email: hysj_bj.com
Country: China
ProdList: 3583
Advantage: 55

51731-17-0, 4-METHOXY-3-BUTEN-2-ONERelated Search:

trans-4-Methycyclohexyl isocyanate p-Coumaric acid TRANS-4-HYDROXYCYCLOHEXANECARBOXYLIC ACID trans-4-Methylcyclohexyl amine trans-4-MethoxycyclohexanaMine HCl trans-Methyl4-hydroxycyclohexanecarboxylate trans-4-Methylcyclohexylamine hydrochloride 3-Methoxy-3-buten-2-one 4-METHOXY-3-BUTEN-2-ONE 4-(Dimethylamino)-4-methoxy-3-buten-2-one

(3E)-4-Methoxy-3-buten-2-one

4-METHOXY-3-BUTEN-2-ONE

trans-4-methoxy-3-buten-2-one (1-1-3)

(E)-4-methoxy-3-buten-2-one

TRANS-4-METHOXY-3-BUTEN-2-ONE, TECH., 90 %

Trans 4-Methoxy Butenone

TRANS-1-METHOXY-1-BUTEN-3-ONE

TRANS-4-METHOXY-3-BUTEN-2-ONE

trans-4-Methoxy-3-buten-2-one technical grade, 90%

(3E)-4-Methoxybut-3-en-2-one

Einecs 257-364-0

3-Buten-2-one,4-methoxy-, (3E)-

4-methoxy-3-butene-2-one

<i>trans</i>-4-Methoxy-3-buten-2-one

51731-17-0

C3 to C6

Carbonyl Compounds

Building Blocks

Organic Building Blocks

Ketones

C3 to C6

Carbonyl Compounds

Ketones