Quinizarine, 96%

Name: Quinizarine, 96%
Brand: Vaqora Chemicals
SKU: VQ-008169

About Quinizarine, 96%

Listed under CAS 81-64-1, Quinizarine is a carbonyl building block available from Vaqora Chemicals in Synthesis grade with a typical assay of 96%. Formula C14H8O4, molecular weight 240.21 g/mol. Systematically, it is named 1,4-dihydroxyanthracene-9,10-dione. Common synonyms include 1,4-Dihydroxyanthraquinone and Quinizarin.

It is supplied as a light yellow to brown powder. Literature values give a melting point of 198-199 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis, condensation and reductive amination and API intermediates. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 25 g, 100 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
Condensation & reductive amination
API intermediates

Industries

Specifications & identifiers

Chemical identifiers
Product name	Quinizarine, 96%
Catalogue No.	VQ-008169
CAS Number	81-64-1
IUPAC name	1,4-dihydroxyanthracene-9,10-dione
Molecular formula	C₁₄H₈O₄
Molecular weight	240.21 g/mol
Exact mass	240.0423
Grade	Synthesis
Purity / assay	96%
HSN code	29146910
InChIKey	GUEIZVNYDFNHJU-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(=O)C3=C(C=CC(=C3C2=O)O)O
PubChem CID	6688

Physical properties
Physical form	Powder
Appearance	Light yellow to brown powder
Melting point	198-199 °C
LogP (XLogP3)	3.7
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
Synonyms	1,4-Dihydroxyanthraquinone, Quinizarin, Chinizarin, Solvent Orange 86, Smoke Orange R, 1,4-Dihydroxyanthrachinon, Macrolex Orange GG, 1,4-Dihydroxy-9,10-anthraquinone, 9,10-Anthracenedione, 1,4-dihydroxy-, Anthraquinone, 1,4-dihydroxy-, 1,4-Dioxyanthraquinone, 1,4-Doa

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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

Other grades of CAS 81-64-1

Synthesis

1,4-Dihydroxyanthraquinone, 96%

CAS: 81-64-1
Formula: C₁₄H₈O₄
MW: 240.21 g/mol

VQ-007873

Frequently asked questions

What is the CAS number of Quinizarine, 96%?

The CAS Registry Number of Quinizarine, 96% is 81-64-1. It is also known as 1,4-Dihydroxyanthraquinone, Quinizarin, Chinizarin.

What is the molecular formula and molecular weight of Quinizarine, 96%?

Quinizarine, 96% has the molecular formula C14H8O4 and a molecular weight of 240.21 g/mol. Its IUPAC name is 1,4-dihydroxyanthracene-9,10-dione.

Which grade and pack sizes of Quinizarine, 96% can I order?

We supply Quinizarine, 96% in Synthesis (96%) grade, in 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Quinizarine, 96%?

Yes. Every lot of Quinizarine, 96% 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 Quinizarine, 96% be shipped internationally?

Yes. Quinizarine, 96% 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.