Empenthrin

Base Information

• Chemical Name: Empenthrin
• CAS No.: 54406-48-3
• Deprecated CAS: 98311-74-1,96895-17-9,92836-82-3,92836-82-3,96895-17-9
• Molecular Formula: C18H26O2
• Molecular Weight: 274.403
• Hs Code.: 29162090
• European Community (EC) Number: 259-154-4
• UNII: K45WEG8WYL
• DSSTox Substance ID: DTXSID2058122
• Nikkaji Number: J40.626K
• Wikipedia: Empenthrin
• Wikidata: Q757060
• Metabolomics Workbench ID: 144207
• Mol file: 54406-48-3.mol

Synonyms:1-ethynyl-2-methyl-2-pentenyl chrysanthemate;d-empenthrin;empenthrin;S 2852F;S-2852F;Vaporthrin

Chemical Property of Empenthrin

Chemical Property:

• Appearance/Colour: liquid
• Vapor Pressure: 5.92E-05mmHg at 25°C
• Melting Point: 25°C
• Refractive Index: 1.527
• Boiling Point: 346 °C at 760 mmHg
• Flash Point: 144 °C
• PSA: 26.30000
• Density: 0.999 g/cm³
• LogP: 4.12610
• Storage Temp.: 2-8°C
• Water Solubility.: 0.11 mg l-1 (25 °C)
• XLogP3: 5
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 6
• Exact Mass: 274.193280068
• Heavy Atom Count: 20
• Complexity: 481

Purity/Quality:

99% ^*data from raw suppliers

Empenthrin ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn,N
• Hazard Codes: Xn;N,N,Xn
• Statements: 22-51/53
• Safety Statements: 61

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCC=C(C)C(C#C)OC(=O)C1C(C1(C)C)C=C(C)C
• Isomeric SMILES: CC/C=C(\C)/C(C#C)OC(=O)C1C(C1(C)C)C=C(C)C
• Uses: Empenthrin is used as a domestic insecticide, especially against moths and other insects which attack fabrics. Empenthrin is an insecticidal pyrethroid compound.

Technology Process of Empenthrin

There total 2 articles about Empenthrin which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

2-methyl-2-pentenal (14250-96-5,16958-22-8,623-36-9) → empenthrin (54406-48-3,96895-17-9)

Guidance literature:

Multi-step reaction with 2 steps

1: tetrahydrofuran

2: DCC / benzene

With dicyclohexyl-carbodiimide; In tetrahydrofuran; benzene;

Reference yield:

2-methyl-1-ethynyl-2-penten-1-ol (54406-43-8) + chrysanthemumic acid (10453-89-1) → empenthrin (54406-48-3,96895-17-9)

Guidance literature:

With dicyclohexyl-carbodiimide; In benzene;

upstream raw materials:

2-methyl-1-ethynyl-2-penten-1-ol

chrysanthemumic acid

2-methyl-2-pentenal