4-Chloro-1H,3H-naphtho(1,8-cd)pyran-1,3-dione

Base Information

• Chemical Name: 4-Chloro-1H,3H-naphtho(1,8-cd)pyran-1,3-dione
• CAS No.: 50817-72-6
• Molecular Formula: C12H5 Cl O3
• Molecular Weight: 232.623
• European Community (EC) Number: 256-788-3
• DSSTox Substance ID: DTXSID50198845
• Wikidata: Q83071694
• Mol file: 50817-72-6.mol

Synonyms:50817-72-6;EINECS 256-788-3;4-Chloro-1H,3H-naphtho(1,8-cd)pyran-1,3-dione;4-chloro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione;1H,3H-Naphtho(1,8-cd)pyran-1,3-dione, 4-chloro-;C12H5ClO3;SCHEMBL4958874;C12-H5-Cl-O3;DTXSID50198845

Chemical Property of 4-Chloro-1H,3H-naphtho(1,8-cd)pyran-1,3-dione

Chemical Property:

• Vapor Pressure: 1.37E-07mmHg at 25°C
• Boiling Point: 429.7°C at 760 mmHg
• Flash Point: 197.4°C
• PSA: 43.37000
• Density: 1.565g/cm³
• LogP: 2.80380
• XLogP3: 3.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 231.9927217
• Heavy Atom Count: 16
• Complexity: 341

Purity/Quality:

98%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC2=C3C(=C1)C(=O)OC(=O)C3=C(C=C2)Cl

Technology Process of 4-Chloro-1H,3H-naphtho(1,8-cd)pyran-1,3-dione

There total 4 articles about 4-Chloro-1H,3H-naphtho(1,8-cd)pyran-1,3-dione 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-chloro-1,8-naphthalic anhydride (50817-72-6)

Guidance literature:

With phosphorus pentachloride; at 190 - 200 ℃;

Reference yield:

→ 2-chloro-1,8-naphthalic anhydride (50817-72-6)

Guidance literature:

With phosphorus pentachloride; at 190 - 200 ℃;

Reference yield:

phosphorus pentachloride (10026-13-8,874483-75-7) + 2-hydroxy-naphthalene-1,8-dicarboxylic acid anhydride (162706-55-0) → 2-chloro-1,8-naphthalic anhydride (50817-72-6)

Guidance literature:

at 200 ℃;

upstream raw materials:

phosphorus pentachloride

2-hydroxy-naphthalene-1,8-dicarboxylic acid anhydride

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