Thymoquinone, ≥98%

Name: Thymoquinone, ≥98%
Brand: Vaqora Chemicals
SKU: VQ-000724

About Thymoquinone, ≥98%

Vaqora Chemicals supplies Thymoquinone, a biological stain registered under CAS number 490-91-5 with a typical assay of 98%. Its molecular formula is C10H12O2 and its molecular weight is 164.2 g/mol. Systematically, it is named 2-methyl-5-propan-2-ylcyclohexa-2,5-diene-1,4-dione. Common synonyms include 5-Isopropyl-2-methyl-1,4-benzoquinone and p-Mentha-3,6-diene-2,5-dione.

It is supplied as light yellow to brown powder or crystals or chunks. Reported physical data include a melting point of 45-47 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for histology and cytology staining, microscopy and clinical laboratories. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Standard pack sizes are 1 g, 5 g and 25 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories

Industries

Specifications & identifiers

Chemical identifiers
Product name	Thymoquinone, ≥98%
Catalogue No.	VQ-000724
CAS Number	490-91-5
IUPAC name	2-methyl-5-propan-2-ylcyclohexa-2,5-diene-1,4-dione
Molecular formula	C₁₀H₁₂O₂
Molecular weight	164.2 g/mol
Exact mass	164.0837
Purity / assay	98%
HSN code	29332990
InChIKey	KEQHJBNSCLWCAE-UHFFFAOYSA-N
SMILES	CC1=CC(=O)C(=CC1=O)C(C)C
PubChem CID	10281

Physical properties
Physical form	Crystalline
Appearance	Light yellow to brown powder or crystals or chunks
Melting point	45-47 °C
LogP (XLogP3)	2
H-bond donors / acceptors	0 / 2
TPSA	34.1 Å²
Synonyms	5-Isopropyl-2-methyl-1,4-benzoquinone, p-Mentha-3,6-diene-2,5-dione, p-Cymene-2,5-dione, 2-Isopropyl-5-methylbenzoquinone, 2-Isopropyl-5-methyl-p-benzoquinone, 2-methyl-5-(propan-2-yl)cyclohexa-2,5-diene-1,4-dione, 2-Methyl-5-isopropyl-p-benzoquinone, 2-Isopropyl-5-methyl-1,4-benzoquinone, 2-Isopropyl-5-methylcyclohexa-2,5-diene-1,4-dione, 2-Isopropyl-5-methylbenzo-1,4-quinone, 5-Isopropyl-2-methyl-p-benzoquinone, 2-Methyl-5-isopropyl-1,4-benzoquinone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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

Frequently asked questions

What is the CAS number of Thymoquinone, ≥98%?

The CAS Registry Number of Thymoquinone, ≥98% is 490-91-5. It is also known as 5-Isopropyl-2-methyl-1,4-benzoquinone, p-Mentha-3,6-diene-2,5-dione, p-Cymene-2,5-dione.

What is the molecular formula and molecular weight of Thymoquinone, ≥98%?

Thymoquinone, ≥98% has the molecular formula C10H12O2 and a molecular weight of 164.2 g/mol. Its IUPAC name is 2-methyl-5-propan-2-ylcyclohexa-2,5-diene-1,4-dione.

Which grade and pack sizes of Thymoquinone, ≥98% can I order?

We supply Thymoquinone, ≥98% in (98%) grade, in 1 g, 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Thymoquinone, ≥98%?

Yes. Every lot of Thymoquinone, ≥98% 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 Thymoquinone, ≥98% be shipped internationally?

Yes. Thymoquinone, ≥98% 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.