Coumarine, 99%

Name: Coumarine, 99%
Brand: Vaqora Chemicals
SKU: VQ-012403

About Coumarine, 99%

Coumarine (CAS 91-64-5) is an oxygen heterocycle offered by Vaqora Chemicals in Synthesis grade with a typical assay of 99%. Its molecular formula is C9H6O2 and its molecular weight is 146.14 g/mol. Its systematic (IUPAC) name is chromen-2-one. Alternative names: 1,2-Benzopyrone and 1-Benzopyran-2-one.

In its supplied form it is a white crystalline or powder. Key physical data: a melting point of 68-73 °C and a boiling point of 298 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

Typical applications include cosmetics and personal care and organic synthesis. Buyers come mainly from pharmaceutical manufacturing, academic and industrial research and cosmetics and personal care.

Standard pack sizes are 100 g, 250 g, 500 g and 5 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Cosmetics & personal care
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Coumarine, 99%
Catalogue No.	VQ-012403
CAS Number	91-64-5
IUPAC name	chromen-2-one
Molecular formula	C₉H₆O₂
Molecular weight	146.14 g/mol
Exact mass	146.0368
Grade	Synthesis
Purity / assay	99%
HSN code	29322010
InChIKey	ZYGHJZDHTFUPRJ-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C=CC(=O)O2
PubChem CID	323

Physical properties
Physical form	Crystalline
Appearance	White crystalline or powder
Melting point	68-73 °C
Boiling point	298 °C
LogP (XLogP3)	1.4
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	1,2-Benzopyrone, 1-Benzopyran-2-one, 2H-Chromen-2-one, coumarin, 2H-1-Benzopyran-2-one, cumarin, Tonka bean camphor, Coumarinic anhydride, cis-o-Coumarinic acid lactone, Coumarinic lactone, o-Hydroxycinnamic acid lactone, Benzo-alpha-pyrone

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H302Harmful if swallowed
H317May cause an allergic skin reaction

Precautionary statements: P261, P264, P270, P272, P280, P301 + P316, P301 + P317, P302 + P352, P321, P330, P333 + P317, P362 + P364, P405, P501

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 91-64-5

Coumarin, 99%+

CAS: 91-64-5
Formula: C₉H₆O₂
MW: 146.14 g/mol

VQ-012402

Frequently asked questions

What is the CAS number of Coumarine, 99%?

The CAS Registry Number of Coumarine, 99% is 91-64-5. It is also known as 1,2-Benzopyrone, 1-Benzopyran-2-one, 2H-Chromen-2-one.

What is the molecular formula and molecular weight of Coumarine, 99%?

Coumarine, 99% has the molecular formula C9H6O2 and a molecular weight of 146.14 g/mol. Its IUPAC name is chromen-2-one.

Which grade and pack sizes of Coumarine, 99% can I order?

We supply Coumarine, 99% in Synthesis (99%) grade, in 100 g, 250 g, 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Coumarine, 99%?

Yes. Every lot of Coumarine, 99% 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 Coumarine, 99% be shipped internationally?

Yes. Coumarine, 99% 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.