Kojic Acid

Name: Kojic Acid
Brand: Vaqora Chemicals
SKU: VQ-004244

About Kojic Acid

Vaqora Chemicals supplies Kojic Acid in IP/BP/USP grade, an active pharmaceutical ingredient registered under CAS number 501-30-4 at a purity of ≥99.0%. The compound has the formula C6H6O4, corresponding to a molecular weight of 142.11 g/mol. Its systematic (IUPAC) name is 5-hydroxy-2-(hydroxymethyl)pyran-4-one. It is also known as 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one or 5-Hydroxy-2-(hydroxymethyl)-4-pyrone.

In its supplied form it is an almost white crystalline powder. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This API belongs to our vitamins, excipients and other APIs portfolio and is supplied to IP/BP/USP specifications for formulators, contract manufacturers and generic drug developers. Our customers for this product work in pharmaceutical manufacturing.

Vaqora Chemicals supplies Kojic Acid in 1 kg, 5 kg and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmaceutical formulation
Generic drug development
Nutraceutical & excipient use
Food & flavour applications

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Kojic Acid
Catalogue No.	VQ-004244
CAS Number	501-30-4
IUPAC name	5-hydroxy-2-(hydroxymethyl)pyran-4-one
Molecular formula	C₆H₆O₄
Molecular weight	142.11 g/mol
Exact mass	142.0266
Grade	IP/BP/USP
Purity / assay	≥99.0%
InChIKey	BEJNERDRQOWKJM-UHFFFAOYSA-N
SMILES	C1=C(OC=C(C1=O)O)CO
PubChem CID	3840

Physical properties
Physical form	Powder
Appearance	Almost white crystalline powder
LogP (XLogP3)	-0.9
H-bond donors / acceptors	2 / 4
TPSA	66.8 Å²
Synonyms	5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one, 5-Hydroxy-2-(hydroxymethyl)-4-pyrone, 5-Hydroxy-2-hydroxymethyl-4-pyrone, acido kojico, 2-Hydroxymethyl-5-hydroxy-gamma-pyrone, 2-(Hydroxymethyl)-5-hydroxy-4H-pyran-4-one, Cleansing Pasds, Surfree Kojic Acid, Kojic Acid Dark Spot, Kojic Acid 0.6%, Kojic Acid 4.4%, Deodorant Underarms Body Skin

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H351Suspected of causing cancer

Precautionary statements: P203, P280, P318, 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 501-30-4

Biochemistry

Kojic acid, 98%

CAS: 501-30-4
Formula: C₆H₆O₄
MW: 142.11 g/mol

VQ-012422

Frequently asked questions

What is the CAS number of Kojic Acid?

The CAS Registry Number of Kojic Acid is 501-30-4. It is also known as 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one, 5-Hydroxy-2-(hydroxymethyl)-4-pyrone, 5-Hydroxy-2-hydroxymethyl-4-pyrone.

What is the molecular formula and molecular weight of Kojic Acid?

Kojic Acid has the molecular formula C6H6O4 and a molecular weight of 142.11 g/mol. Its IUPAC name is 5-hydroxy-2-(hydroxymethyl)pyran-4-one.

Which grade and pack sizes of Kojic Acid can I order?

We supply Kojic Acid in IP/BP/USP (≥99.0%) grade, in 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Kojic Acid?

Yes. Every lot of Kojic Acid 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 Kojic Acid be shipped internationally?

Yes. Kojic Acid 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.