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4-Chloro-1,8-naphthalic anhydride

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Origin: China

Cas No: 4053-08-1

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.: 4053-08-1 Formula: C12H5ClO3 Molecular Weight: 232.61900

Basic Info

Chemical Name	4-Chloro-1,8-naphthalic anhydride
Synonyms	6-Chlorobenzo[de]isochromene-1,3-dione; 4-chloronaphthalene-1,8-dicarboxylic acid anhydride; EINECS 223-760-7; 6-Chloro-1H,3H-benzo[de]isochromene-1,3-dione; 4-chloro-1,8-naphtalic acid anhydride; 6-Chloronaphtho[1,8,8a-c,d]pyran-1,3-dione; 1H,3H-Naphtho(1,8-cd)pyran-1,3-dione,6-chloro; 4-Chloronaphthalic anhydride; 4-Chloronaphthalene-1,8-dicarboxylic anhydride; Naphthalic anhydride,4-chloro-(7CI,8CI);
CAS No.	4053-08-1
Molecular Formula	C12H5ClO3
Molecular Weight	232.61900
PSA	43.37000
LogP	2.80380

Properties

Appearance & Physical State	beige to brown powder
Density	1.565 g/cm3
Boiling Point	450.9ºC at 760 mmHg
Melting Point	207-210ºC
Flash Point	208.3ºC
Refractive Index	1.715
Storage Condition	2-8ºC
Vapor Pressure	2.53E-08mmHg at 25°C

Safety Info

RTECS	QL6127295
Safety Statements	S24/25
HS Code	2932999099
WGK Germany	2
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

5-chloro-1,2-dihydroacenaphthylene→4-Chloro-1,8-naphthalic anhydride
naphthalic anhydride→4-Chloro-1,8-naphthalic anhydride
5-Chloracenaphthen-2-ol→4-Chloro-1,8-naphthalic anhydride

Precursor

4-chloronaphthalene-1,8-dicarboxylic acid
naphthalic anhydride
5-chloro-1,2-dihydroacenaphthylene
5-Chloracenaphthen-2-ol

Downstream Product

1H,3H-2-Benzopyrano[6,5,4-mna]xanthene-1,3-dione
6-[(2-hydroxyethyl)thio]-1H,3H-benzo[de]isochromene-1,3-dione
5-chloronaphthalene-1-carboxylic acid
3-Hydroxy-1,8-naphthalic anhydride

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