1,4-Dihydroxyanthraquinone, 96%

Name: 1,4-Dihydroxyanthraquinone, 96%
Brand: Vaqora Chemicals
SKU: VQ-007873

About 1,4-Dihydroxyanthraquinone, 96%

1,4-Dihydroxyanthraquinone (CAS 81-64-1) is a carbonyl building block offered by Vaqora Chemicals (Synthesis grade), specified at 96% purity. Formula C14H8O4, molecular weight 240.21 g/mol. Its systematic (IUPAC) name is 1,4-dihydroxyanthracene-9,10-dione. Alternative names: Quinizarin and Quinizarine.

It is supplied as a powder. Literature values give a melting point of 198-199 °C. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis, condensation and reductive amination, API intermediates and fine chemical synthesis. It is used across pharmaceutical manufacturing, academic and industrial research and textiles and dyeing.

We offer 1,4-Dihydroxyanthraquinone in 25 g, 100 g, 500 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Condensation & reductive amination
API intermediates
Fine chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	1,4-Dihydroxyanthraquinone, 96%
Catalogue No.	VQ-007873
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	Powder
Melting point	198-199 °C
LogP (XLogP3)	3.7
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
Synonyms	Quinizarin, 1,4-Dihydroxyanthraquinone, Quinizarine, 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

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

Quinizarine, 96%

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

VQ-008169

Frequently asked questions

What is the CAS number of 1,4-Dihydroxyanthraquinone, 96%?

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

What is the molecular formula and molecular weight of 1,4-Dihydroxyanthraquinone, 96%?

1,4-Dihydroxyanthraquinone, 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 1,4-Dihydroxyanthraquinone, 96% can I order?

We supply 1,4-Dihydroxyanthraquinone, 96% in Synthesis (96%) grade, in 25 g, 100 g, 500 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1,4-Dihydroxyanthraquinone, 96%?

Yes. Every lot of 1,4-Dihydroxyanthraquinone, 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 1,4-Dihydroxyanthraquinone, 96% be shipped internationally?

Yes. 1,4-Dihydroxyanthraquinone, 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.