Basic information
- Standard SMILES
O=C1OCc2ccccc21- InChIKey
WNZQDUSMALZDQF-UHFFFAOYSA-N- Molecular formula
- C8H6O2
- Average molar mass
- 134.13 g/mol
- Monoisotopic mass
- 134.03677943
Overview
2-benzofuran-1(3H)-one is a gamma-lactone that is 1,3-dihydro-2-benzofuran in which the hydrogens at position 1 are replaced by an oxo group. It is a gamma-lactone and a member of 2-benzofurans.
Names & identifiers
- Preferred name
- Phthalide
- IUPAC
- 3H-2-benzofuran-1-one
- English name
- Phthalide
- Molecular formula
- C8H6O2
- Molecular weight
- 134.13
Names & synonyms
Show more names
Database identifiers
- CAS
87-41-2- PubChem CID
- 6885
- DTXSID
DTXSID0052594- ChEMBL
CHEMBL2391738- ChEBI
CHEBI:38085- UNII
- 8VV922U86J
- EC Number
- 201-744-0
- Nikkaji
- J95.650C
Properties
Computed structural properties
- XLogP
- 0.8
- Topological polar surface area
- 26.3 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 2
- Rotatable bonds
- 0
- Heavy atoms
- 10
- Formal charge
- 0
- Complexity
- 153
Experimental & physicochemical properties
Pesticides
Agrochemicals -> Pesticide active substances
Active substance -> EU Pesticides database: Not approved
Physical Description
White powder; [Sigma-Aldrich MSDS]
Solid
Physicochemical properties
- Melting point
- 71 · 71-74 °C (lit.)
- Boiling point
- 290 °C · 290 °C (lit.)
- Density
- 1.1 · 1.1
- refractive index
- 1.536 · 1.5360 (estimate)
- FEMA
- 4195 · 4195 | PHTHALIDE
- FLAVIS Number
- 10.056 · 10.056 | Phthalide
- Flash point
- 152 °C · 152 °C
- storage temp.
- Keep in dark place,Inert atmosphere,Room temperature
- solubility
- Chloroform (Slightly), Methanol (Slightly)
- form
- Crystalline Powder
- color
- White to light beige
- Odor
- 100 % · at 100.00 %. sweet tonka coumarin powdery coconut phenolic lactonic
- Odor Type
- coumarinic
- biological source
- synthetic
- Water Solubility
- sparingly soluble
- BRN
- 114632 · 114632
- Dielectric constant
- 36 · 36.0(23℃)
- InChI
- 1S/C8H6O2/c9-8-7-4-2-1-3-6(7)5-10-8/h1-4H,5H2
- InChIKey
- WNZQDUSMALZDQF-UHFFFAOYSA-N
- SMILES
- O=C1OCc2ccccc12
- LogP
- 0.99 · 0.99
- CAS DataBase Reference
- 87 · 87-41-2(CAS DataBase Reference)
- Substances Added to Food (formerly EAFUS)
- PHTHALIDE
- EWG's Food Scores
- 1 · 1
- FDA UNII
- 8 VV922U86J · 8VV922U86J
- NIST Chemistry Reference
- 1 · 1(3H)-Isobenzofuranone(87-41-2)
- EPA Substance Registry System
- Phthalide (87-41-2)
- UNSPSC Code
- 85151701 · 85151701
- NACRES
- 24 · NA.24
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 319 · H319
- Precautionary statements
- 264 · P264-P280-P337+P313-P305+P351+P338
- PPE
- 95 · dust mask type N95 (US), Eyeshields, Gloves
- Hazard Codes
- Xi
- Risk Statements
- 36 · 36-36/37/38
- Safety Statements
- 26 · 26-36-24/25-37/39
- WGK Germany
- 3 · 3
- RTECS
- 3520000 · TI3520000
- TSCA
- TSCA listed
- HS Code
- 29322980 · 29322980
- Storage Class
- 13 · 13 - Non Combustible Solids
- REACH Registrations
- Active
Safety & regulation
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 58.9% (179 of 304) of all reports.
Warning
H319 (41.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P264+P265, P280, P305+P351+P338, and P337+P317 (click each P-code to see the statement)
Aggregated GHS information provided per 304 reports by companies from 3 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory Information
Chemical: 1(3H)-Isobenzofuranone
Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)
Status: Active Update: 11-08-2021 https://echa.europa.eu/registration-dossier/-/registered-dossier/24487
1(3H)-Isobenzofuranone: Does not have an individual approval but may be used under an appropriate group standard
Safety data
- PPE
- dust mask type N95 (US), Eyeshields, Gloves
- wgk
- 3
- tsca
- TSCA listed
- rtecs
- TI3520000
- hs_code
- 29322980
- risk_code
- 36-36/37/38
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- hazard_code
- Xi
- safety_code
- 26-36-24/25-37/39
- Storage Class
- 13 - Non Combustible Solids
- Hazard statements
- H319
- REACH Registrations
- Active
- Precautionary statements
- P264-P280-P337+P313-P305+P351+P338
Chemistry & industry
Pharmacology
Uses & manufacturing
Applications
DescriptionWhite powder; sweet tonka, coumarin, powdery, coconut, phenolic, lactonic aroma.
UsesPhthalide may be used in scaffolds for the design of high potency monoamine oxidase (MAO) inhibitors.
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers50 total
Additional notes
DefinitionChEBI: A gamma-lactone that is 1,3-dihydro-2-benzofuran in which the hydrogens at position 1 are replaced by an oxo group.
Related reactions
Linked notes
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