Phthalide

Name: Phthalide
Brand: Vaqora Chemicals
SKU: VQ-008931

About Phthalide

Phthalide is an ester carrying the CAS registry number 87-41-2. With the molecular formula C8H6O2, it has a molar mass of 134.13 g/mol. Its systematic (IUPAC) name is 3H-2-benzofuran-1-one. It is also known as 1,3-Dihydro-2-benzofuran-1-one or 1-Phthalanone.

Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

Key uses span organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Phthalide in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. This item is currently in stock for prompt dispatch. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Phthalide
Catalogue No.	VQ-008931
CAS Number	87-41-2
IUPAC name	3H-2-benzofuran-1-one
Molecular formula	C₈H₆O₂
Molecular weight	134.13 g/mol
Exact mass	134.0368
Grade	Reference Standard
InChIKey	WNZQDUSMALZDQF-UHFFFAOYSA-N
SMILES	C1C2=CC=CC=C2C(=O)O1
PubChem CID	6885

Physical properties
Physical form	Other
LogP (XLogP3)	0.8
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	1,3-Dihydro-2-benzofuran-1-one, 1-Phthalanone, 2-Benzofuran-1(3H)-one, 2-Hydroxymethylbenzoic acid gamma-lactone, 3H-Isobenzofuran-1-one, Phthalolactone, 1(3H)-Isobenzofuranone, 2-Hydroxymethylbenzoic acid, gamma-lactone, 1(3H)-Isobenzofuranone, 4,5,6,7-tetrachloro-, 4,5,6,7-Tetrachloro-1(3H)-isobenzofuranone, Bayer 96610, KF-32

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 87-41-2

Synthesis

Phthalide, 98%

CAS: 87-41-2
Formula: C₈H₆O₂
MW: 134.13 g/mol

VQ-008932

Frequently asked questions

What is the CAS number of Phthalide?

The CAS Registry Number of Phthalide is 87-41-2. It is also known as 1,3-Dihydro-2-benzofuran-1-one, 1-Phthalanone, 2-Benzofuran-1(3H)-one.

What is the molecular formula and molecular weight of Phthalide?

Phthalide has the molecular formula C8H6O2 and a molecular weight of 134.13 g/mol. Its IUPAC name is 3H-2-benzofuran-1-one.

Which grade and pack sizes of Phthalide can I order?

We supply Phthalide in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phthalide?

Yes. Every lot of Phthalide is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Phthalide be shipped internationally?

Yes. Phthalide is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.