Amaranth

Name: Amaranth
Brand: Vaqora Chemicals
SKU: VQ-000466

About Amaranth

Vaqora Chemicals supplies Amaranth, a biological stain registered under CAS number 915-67-3. Formula C20H11N2Na3O10S3, molecular weight 604.5 g/mol. Its systematic (IUPAC) name is trisodium, 3-hydroxy-4-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonate. Alternative names: Acid Red 27 and Azorubin S.

In its supplied form it is a brown to red-brown 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.

It is commonly used for histology and cytology staining, microscopy, clinical laboratories and protein and peptide research. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Vaqora Chemicals supplies Amaranth in 25 g, 100 g, 1 kg and 5 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Protein & peptide research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Amaranth
Catalogue No.	VQ-000466
CAS Number	915-67-3
IUPAC name	trisodium;3-hydroxy-4-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonate
Molecular formula	C₂₀H₁₁N₂Na₃O₁₀S₃
Molecular weight	604.5 g/mol
Exact mass	603.9269
HSN code	32041984
InChIKey	WLDHEUZGFKACJH-UHFFFAOYSA-K
SMILES	C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]
PubChem CID	13506

Physical properties
Physical form	Powder
Appearance	Brown to red-brown powder
H-bond donors / acceptors	1 / 12
TPSA	242 Å²
Synonyms	Acid Red 27, Azorubin S, Amaranth (dye), Food Red 9, Azorubine S, Kayaku Amaranth, Java Amaranth, Dolkwal Amaranth, Bordeaux S, Daishiki Amaranth, Acilan Red SE, C.I. Food Red 9

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 915-67-3

Amaranth solution

CAS: 915-67-3
Formula: C₂₀H₁₁N₂Na₃O₁₀S₃
MW: 604.5 g/mol

VQ-003504

Molecular Biology

Amaranth, for molecular biology

CAS: 915-67-3
Formula: C₂₀H₁₁N₂Na₃O₁₀S₃
MW: 604.5 g/mol

VQ-046143

Frequently asked questions

What is the CAS number of Amaranth?

The CAS Registry Number of Amaranth is 915-67-3. It is also known as Acid Red 27, Azorubin S, Amaranth (dye).

What is the molecular formula and molecular weight of Amaranth?

Amaranth has the molecular formula C20H11N2Na3O10S3 and a molecular weight of 604.5 g/mol.

Which grade and pack sizes of Amaranth can I order?

We supply Amaranth, in 25 g, 100 g, 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 Amaranth?

Yes. Every lot of Amaranth 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 Amaranth be shipped internationally?

Yes. Amaranth 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.