Alizarine red S, GR

Name: Alizarine red S, GR
Brand: Vaqora Chemicals
SKU: VQ-000462

About Alizarine red S, GR

Vaqora Chemicals supplies Alizarine red S in AR grade, a biological stain registered under CAS number 130-22-3. Its molecular formula is C14H7NaO7S and its molecular weight is 342.26 g/mol. The IUPAC name is sodium 3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate. Alternative names: Alizarin Carmine and Alizarin Red.

The material typically appears as a reddish powder. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include histology and cytology staining, microscopy, clinical laboratories and biological staining. Typical end-use sectors are academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Available in 25 g, 100 g, 1 kg and 4 x 25 kg packs, Alizarine red S is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Alizarine red S, GR
Catalogue No.	VQ-000462
CAS Number	130-22-3
IUPAC name	sodium 3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate
Molecular formula	C₁₄H₇NaO₇S
Molecular weight	342.26 g/mol
Exact mass	341.981
Grade	AR
HSN code	32049000
InChIKey	HFVAFDPGUJEFBQ-UHFFFAOYSA-M
SMILES	C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]
PubChem CID	3955344

Physical properties
Physical form	Powder
Appearance	Reddish powder
H-bond donors / acceptors	2 / 7
TPSA	140 Å²
Synonyms	3,4-Dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt, Alizarin Carmine, Alizarin Red, water soluble, Alizarin sodium monosulfonate, Alizarin sulfonate sodium, Alizarinsulfonic acid sodium salt, Sodium alizarinsulfonate, Sodium alizarinesulfonate, Mordant Red 3, Acid Red Alizarine, Alizarine Red A

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 130-22-3

Alizarin red S

CAS: 130-22-3
Formula: C₁₄H₇NaO₇S
MW: 342.26 g/mol

VQ-000456

AR / Spectroscopy

Alizarin red S, for spectroscopy 70%

CAS: 130-22-3
Formula: C₁₄H₇NaO₇S
MW: 342.26 g/mol

VQ-046181

Spectroscopy

Alizarin red S, for spectroscopy 70%

CAS: 130-22-3
Formula: C₁₄H₇NaO₇S
MW: 342.26 g/mol

VQ-046182

Frequently asked questions

What is the CAS number of Alizarine red S, GR?

The CAS Registry Number of Alizarine red S, GR is 130-22-3. It is also known as 3,4-Dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt, Alizarin Carmine, Alizarin Red.

What is the molecular formula and molecular weight of Alizarine red S, GR?

Alizarine red S, GR has the molecular formula C14H7NaO7S and a molecular weight of 342.26 g/mol. Its IUPAC name is sodium 3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate.

Which grade and pack sizes of Alizarine red S, GR can I order?

We supply Alizarine red S, GR in AR grade, in 25 g, 100 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Alizarine red S, GR?

Yes. Every lot of Alizarine red S, GR 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 Alizarine red S, GR be shipped internationally?

Yes. Alizarine red S, GR 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.