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4,5-DICHLOROPHTHALIC ANHYDRIDE

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Origin: China

Cas No: 942-06-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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

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CAS No.: 942-06-3 Formula: C8H2Cl2O3 Molecular Weight: 217.00600

Basic Info

Chemical Name	4,5-DICHLOROPHTHALIC ANHYDRIDE
Synonyms	4,5-Dichlor-phthalsaeure-anhydrid; 5,6-Dichloro-2-benzofuran-1,3-dione; 4,5-Dichlorophalic anhydride; 5,6-dichlorophthalic anhydride; 4,5-dichloro-phthalic acid anhydride; 1,3-Isobenzofurandione, 5,6-dichloro-; 5,6-dichloroisobenzofuran-1,3-dione; 5,6-DICHLORO-1,3-DIHYDROISOBENZOFURAN-1,3-DIONE; 5,6-dichloro-1,3-isobenzofurandione;
CAS No.	942-06-3
Molecular Formula	C8H2Cl2O3
Molecular Weight	217.00600
PSA	43.37000
LogP	2.30400

Properties

Appearance & Physical State	Light grey to pale blue powder
Density	1.715g/cm3
Boiling Point	313ºC at 760mmHg
Melting Point	185-187ºC(lit.)
Flash Point	144.8ºC
Refractive Index	1.638

Safety Info

Safety Statements	26-37/39
HS Code	2932999099
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi
Hazard Declaration	H315; H319; H335
Symbol	GHS07
Signal Word	Warning
Caution Statement	P261; P305 + P351 + P338

Synthesis Route

4,5-Dichlorophthalic acid→4,5-DICHLOROPHTHALIC ANHYDRIDE
phthalic acid→4,5-DICHLOROPHTHALIC ANHYDRIDE
phthalic anhydride→4-Chlorophthalic Anhydride+3-Chlorophthalic Anhydride

Precursor

Iodine
4,5-Dichlorophthalic acid
phthalic acid
Sulfuric acid

Downstream Product

5,6-dichloro-2,3-dihydroisoindol-1-one
4,5-dichloro-2-methoxycarbonylbenzoate
1,2-bis(bromomethyl)-4,5-dichlorobenzene
4,5-dipyridin-3-yloxybenzene-1,2-dicarbonitrile

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