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5-Hydroxy-1,3-dihydro-2-benzofuran-1,3-dione

HCID 639747
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Basic information

CAS
27550-59-0
Standard SMILES
O=C1OC(=O)c2cc(O)ccc21
InChIKey
PXHIYFMTRHEUHZ-UHFFFAOYSA-N
Molecular formula
C8H4O4
Average molar mass
164.11 g/mol
Monoisotopic mass
164.01095861

Names & identifiers

Preferred name
5-Hydroxy-1,3-dihydro-2-benzofuran-1,3-dione
IUPAC
5-hydroxy-2-benzofuran-1,3-dione
English name
4-Hydroxyphthalic anhydride
Molecular formula
C8H4O4
Molecular weight
164.12

Names & synonyms

5-hydroxy-1,3-dihydro-2-benzofuran-1,3-dioneRefChem:536141852-798-227550-59-05-Hydroxyisobenzofuran-1,3-dione4-Hydroxyphthalic anhydride5-hydroxy-2-benzofuran-1,3-dione1,3-isobenzofurandione, 5-hydroxy-5-HYDROXY-ISOBENZOFURAN-1,3-DIONEMFCD009972524-Hydroxy-phthalic anhydrideSCHEMBL787024
Show more names
4-Hydroxy-phthalicanhydridHydroxyisobenzofuran​4-Hydroxyphthalic anhydride1,3-Isobenzofurandione,5-hydroxy-5-Hydroxy-1,3-isobenzofurandione, 98+%
SCHEMBL280077575-Hydroxyisobenzofuran-13-dioneDTXSID703486685-Hydroxy-1,3-isobenzofurandionePXHIYFMTRHEUHZ-UHFFFAOYSA-NAKOS002687653CS-W022391DS-7839

Database identifiers

CAS
27550-59-0
PubChem CID
639747
DTXSID
DTXSID70348668
EC Number
852-798-2
Nikkaji
J1.324.123F

Properties

Computed structural properties

XLogP
0.9
Topological polar surface area
63.6 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
4
Rotatable bonds
0
Heavy atoms
12
Formal charge
0
Complexity
235

Physicochemical properties

Melting point
171 · 171-173 °C(Solv: acetic acid (64-19-7))
Boiling point
407.8 · 407.8±28.0 °C(Predicted)
Density
1.624 · 1.624±0.06 g/cm3(Predicted)
storage temp.
2 · under inert gas (nitrogen or Argon) at 2-8°C
pka
6.52 · 6.52±0.20(Predicted)
Appearance
Off-white to light brown Solid
InChI
InChI=1S/C8H4O4/c9-4-1-2-5-6(3-4)8(11)12-7(5)10/h1-3,9H
InChIKey
PXHIYFMTRHEUHZ-UHFFFAOYSA-N
SMILES
C1(=O)C2=C(C=C(O)C=C2)C(=O)O1
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
319 · H319-H315-H335
Precautionary statements
264 · P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

Hazard information

Hazard Classes and CategoriesSkin Irrit. 2 (100%)

Safety data

Signal word
Warning
Symbol(GHS)
GHS07
Hazard statements
H319-H315-H335
Precautionary statements
P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362

Chemistry & industry

Applications

Uses4-Hydroxyphthalic anhydride is a derivative of 3-hydroxyphthalic anhydride and can be used to modify proteins for in vitro biologics studies.

Upstream & downstream products

Upstream raw materials

diethyl 4-aminobenzene-1,2-dicarboxylate2-(2-carboxylatoacetyl)benzoate4-Hydroxyphthalic acid4-Nitrophthalonitrilediethyl 4-hydroxyphthalate4-Sulfophthalic acid4-HydroxyphthalonitrileBETA-LAPACHONEPhthalic acid4-Aminophthalic acid

Downstream products

5-(Benzyloxy)isobenzofuran-1,3-dione

Suppliers

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Related reactions

4 records
New reaction record
HRID 47101 reaction equation
HRID 47101As reactantuspto-grants-1979_11
HRID 404954 reaction equation
HRID 404954As reactantuspto-grants-2014_06
HRID 571331 reaction equation
HRID 571331As reactantuspto-grants-2015_05
HRID 1052941 reaction equation
HRID 1052941As reactantuspto-grants-2016_07

Compound notes

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