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3-Hydroxy-1,8-naphthalic anhydride

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Origin: China

Cas No: 23204-36-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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CAS No.: 23204-36-6 Formula: C12H6O4 Molecular Weight: 214.17400

Basic Info

Chemical Name	3-Hydroxy-1,8-naphthalic anhydride
Synonyms	3-Hydroxy-naphthalin-1,8-dicarbonsaeure-anhydrid; 5-Hydroxybenzo[de]isochromene-1,3-dione; 3-hydroxynaphthalic anhydride; ZLB0050; m-hydroxy-1,8-naphthalicanhydride; 3-Hydroxy-1,8-naphthalic Anhydride; 3-hydroxy-naphthalene-1,8-dicarboxylic acid-anhydride; 5-Hydroxy-1H,3H-benzo[de]isochromene-1,3-dione; BB_SC-2722; 3-hydroxy-1,8-naphthalic acid anhydride; 5-hydroxy-1H,3H-naphtho<1,8-cd>pyran-1,3-dione;
CAS No.	23204-36-6
Molecular Formula	C12H6O4
Molecular Weight	214.17400
PSA	63.60000
LogP	1.85600

Properties

Density	1.585g/cm3
Boiling Point	509.4ºC at 760 mmHg
Melting Point	281ºC
Flash Point	210.8ºC
Refractive Index	1.756
Vapor Pressure	5.36E-11mmHg at 25°C

Safety Info

Safety Statements	S26; S36/37/39
HS Code	2932999099
Risk Statements	R36/37/38

Synthesis Route

1,3-dioxo-1H,3H-naphtho[1,8-cd]pyran-5-sulfonic acid→3-Hydroxy-1,8-naphthalic anhydride
naphthalic anhydride→3-Hydroxy-1,8-naphthalic anhydride
4-Chloro-1,8-naphthalic anhydride→3-Hydroxy-1,8-naphthalic anhydride

Precursor

naphthalic anhydride
1,3-dioxo-1H,3H-naphtho[1,8-cd]pyran-5-sulfonic acid
4-Chloro-1,8-naphthalic anhydride
3-sulfo-naphthalene-1,8-dicarboxylic acid

Downstream Product

6-hydroxynaphthalene-1-carboxylic acid
5-hydroxybenzo[de]isoquinoline-1,3-dione
3-hydroxynaphthalene-1-carboxylic acid

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