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Description

Phthalide · CAS 87-41-2 · C8H6O2. UNII 8VV922U86J. Melting Point: 75 °C; LogP: 0.80; LogP: 0.8.

Identification

CAS Registry Number	87-41-2
PubChem CID	6885
Molecular formula	C8H6O2
IUPAC name	3H-2-benzofuran-1-one
UNII (FDA)	8VV922U86J
FEMA number	4195

Computed Descriptors

Molecular Weight	134.13
XLogP3	0.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	134.036779430
Monoisotopic Mass	134.036779430
Topological Polar Surface Area	26.3
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Melting Point	75 °C
LogP	0.80
LogP	0.8

Physical description & handling notes

• White powder; [Sigma-Aldrich MSDS]
• Solid

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents
GHS notification summary	58.9% (179 / 304)

GHS Hazard Classification

GHS notification summary	58.9% (179 / 304)
Reported hazard statements	H319 (41.1%)

Documented Uses

• Used in fragrances; [REPROTOX] Used as a flavoring agent; [FDA] Used as an intermediate; [ECHA REACH Registrations]

Synonyms

PHTHALIDE; 87-41-2; 1(3H)-Isobenzofuranone; 1-Phthalanone; 2-Benzofuran-1(3H)-one; Phthalolactone; 3H-2-benzofuran-1-one; 3H-isobenzofuran-1-one; 1,3-dihydro-2-benzofuran-1-one; DTXSID0052594; 2-Hydroxymethylbenzoic acid, gamma-lactone; DTXCID7031167; CHEBI:38085; 8VV922U86J; NSC-1469; FEMA NO. 4195

Frequently Asked Questions

What are the CAS number and molecular formula of Phthalide?

CAS 87-41-2; molecular formula C8H6O2; molecular weight — g/mol.

What other names is Phthalide known by?

PHTHALIDE, 87-41-2, 1(3H)-Isobenzofuranone, 1-Phthalanone, 2-Benzofuran-1(3H)-one, Phthalolactone.

What is the regulatory status of Phthalide?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is Phthalide classified as hazardous?

58.9% of GHS notifications report no hazard classification (179 of 304).

What are the key physical properties of Phthalide?

Melting Point: 75 °C; LogP: 0.80; LogP: 0.8.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.