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6,7-dichloro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione

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Origin: China

Cas No: 7267-14-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 7267-14-3 Formula: C12H4Cl2O3 Molecular Weight: 267.06400

Basic Info

Chemical Name	6,7-dichloro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione
Synonyms	4,5-Dichlornaphthalin-1,8-dicarbonsaeure-anhydrid; 4,5-dichloro-1,8-naphthalic anhydride; 4,5-dichloro-naphthalene-1,8-dicarboxylic acid anhydride; 6,7-dichloro-1H,3H-naphtho(1,8-cd)pyran-1,3-dione; 4,5-DICHLORONAPHTHALENE-1,8-DICARBOXYLIC ANHYDRIDE; L604; 4,5-dichloronaphthalic anhydride;
CAS No.	7267-14-3
Molecular Formula	C12H4Cl2O3
Molecular Weight	267.06400
PSA	43.37000
LogP	3.45720

Properties

Density	1.684g/cm3
Boiling Point	833.5ºC at 760 mmHg
Refractive Index	1.739

Synthesis Route

5,6-Dichloro-1,2-dihydroacenaphthylene→6,7-dichloro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione
acenaphthene→6,7-dichloro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione
4,5-dichloronaphthalene-1,8-dicarboxylic acid→6,7-dichloro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione

Precursor

5,6-Dichloro-1,2-dihydroacenaphthylene
acenaphthene
4,5-dichloronaphthalene-1,8-dicarboxylic acid

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