5-Isobenzofuransulfonicacid, 1,3-dihydro-1,3-dioxo-

Modify Date: 2025-08-28 15:25:48

5-Isobenzofuransulfonicacid, 1,3-dihydro-1,3-dioxo- structure	Common Name	5-Isobenzofuransulfonicacid, 1,3-dihydro-1,3-dioxo-
	CAS Number	134-08-7	Molecular Weight	228.17900
	Density	1.82g/cm3	Boiling Point	N/A
	Molecular Formula	C₈H₄O₆S	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Name	1,3-dioxo-2-benzofuran-5-sulfonic acid
Synonym	More Synonyms

Density	1.82g/cm3
Molecular Formula	C₈H₄O₆S
Molecular Weight	228.17900
Exact Mass	227.97300
PSA	106.12000
LogP	1.32470
Index of Refraction	1.66
InChIKey	VJDQIBUPTBGINF-UHFFFAOYSA-N
SMILES	O=C1OC(=O)c2cc(S(=O)(=O)O)ccc21

HS Code	2932999099

Precursor 2
CAS#:85-44-9 Phthalic anhydride CAS#:7446-11-9 Sulfur trioxide
DownStream 6
CAS#:1885-13-8 4-Methoxyphthal... CAS#:28281-76-7 5-Methoxy-2-ben... CAS#:22246-66-8 5-Methoxyisoind... CAS#:84-48-0 2-Anthraquinone...
CAS#:610-35-5 4-Hydroxyphthal... CAS#:50727-04-3 4-Methoxyphthalimide

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Phthalic anhydride,4-sulfo

1,3-dioxo-phthalan-5-sulfonic acid

4-Sulfophthalic anhydride

1,3-dioxo-1,3-dihydro-2-benzofuran-5-sulfonic acid

1,3-Dioxo-phthalan-5-sulfonsaeure

4-sulpho-phthalic anhydride

EINECS 134-08-7

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Names