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3,6-Dichlorophthalic anhydride

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Origin: China

Cas No: 4466-59-5

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.: 4466-59-5 Formula: C8H2Cl2O3 Molecular Weight: 217.00600

Basic Info

Chemical Name	3,6-Dichlorophthalic anhydride
Synonyms	1,3-Isobenzofurandione,4,7-dichloro; 4,7-dichlorophthalic anhydride; 4,7-dichloro-2-benzofuran-1,3-dione; 4,7-dichloro-1,3-dihydro-2-benzofuran-1,3-dione; 3,6-dichloro-phthalic acid anhydride; 1,3-Isobenzofurandione, 4,7-dichloro-; 4,7-dichloroisobenzofuran-1,3-dione; 4,7-dichloroisobenzofuran-1,3-quinone; 3,6-DICHLOROPHTHALIC ANHYDRIDE---WHITE POWDER; 3,6-Dichlor-phthalsaeure-anhydrid; 4,7-Dichloro-1,3-isobenzofurandione;
CAS No.	4466-59-5
Molecular Formula	C8H2Cl2O3
Molecular Weight	217.00600
PSA	43.37000
LogP	2.30400

Properties

Appearance & Physical State	off-white to white powder
Density	1.715g/cm3
Boiling Point	339ºC at 760mmHg
Melting Point	188-190ºC
Flash Point	159.3ºC
Refractive Index	1.638

Safety Info

Safety Statements	S26-S36
HS Code	2932999099
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

phthalic anhydride+Sulfuric acid→4,5-DICHLOROPHTHALIC ANHYDRIDE+3,6-Dichlorophthalic anhydride
3,6-Dichlorophthalic acid→3,6-Dichlorophthalic anhydride
3-Chlorophthalic Anhydride→3,6-Dichlorophthalic anhydride+3,4-dichlorophthalic acid monosodium salt

Precursor

Tetrachlorophthalic Acid
3,6-Dichlorophthalic acid
3-Chlorophthalic Anhydride
3,4,6-trichlorophthalic acid

Downstream Product

1,4,5,8-tetrachloroanthracene-9,10-dione
2-[[4-[2-[dimethyl(oxido)azaniumyl]ethylamino]-5,8-dihydroxy-9,10-dioxoanthracen-1-yl]amino]-N,N-dimethylethanamine oxide
1,4-difluoro-5,8-dihydroxyanthracene-9,10-dione
5,8-dichloro-9,10-dioxoanthracene-2-carboxylic acid

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