Nuclear fast red

Name: Nuclear fast red
Brand: Vaqora Chemicals
SKU: VQ-000659

About Nuclear fast red

Nuclear fast red (CAS 6409-77-4) is a biological stain offered by Vaqora Chemicals (Microscopy grade). The compound has the formula C14H8NNaO7S, corresponding to a molecular weight of 357.27 g/mol. The IUPAC name is sodium 4-amino-1,3-dihydroxy-9,10-dioxoanthracene-2-sulfonate. It is also known as Calcium Red or Kernechtrot dye.

In its supplied form it is a dark brown to maroon powder. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

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

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

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Nuclear fast red
Catalogue No.	VQ-000659
CAS Number	6409-77-4
IUPAC name	sodium 4-amino-1,3-dihydroxy-9,10-dioxoanthracene-2-sulfonate
Molecular formula	C₁₄H₈NNaO₇S
Molecular weight	357.27 g/mol
Exact mass	356.9919
Grade	Microscopy
HSN code	32049000
InChIKey	IFSXZLJQEKGQAF-UHFFFAOYSA-M
SMILES	C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C(=C3N)O)S(=O)(=O)[O-])O.[Na+]
PubChem CID	23677995

Physical properties
Physical form	Powder
Appearance	Dark brown to maroon powder
H-bond donors / acceptors	3 / 8
TPSA	166 Å²
Synonyms	4-Amino-9,10-dihydro-1,3-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt, Calcium Red, Kernechtrot dye, Disodium 1-amino-2,4-dihydroxy-9,10-dihydro-9,10-dioxoanthracene-3-sulphonate, Nuclear Fast Red Sodium salt, Helio Fast Rubine BBL, Sodium 1,3-dihydroxy-4-aminoanthraquinone-2-sulfonate, 2-Anthracenesulfonic acid, 4-amino-9,10-dihydro-1,3-dihydroxy-9,10-dioxo-, monosodium salt, Helioechtrubin, nuclear-fast-red, 4-amino-1,3-dihydroxy-9,10-dioxoanthracene-2-sulfonic acid, sodium salt, Helio fast rubin BBL

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

Frequently asked questions

What is the CAS number of Nuclear fast red?

The CAS Registry Number of Nuclear fast red is 6409-77-4. It is also known as 4-Amino-9,10-dihydro-1,3-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt, Calcium Red, Kernechtrot dye.

What is the molecular formula and molecular weight of Nuclear fast red?

Nuclear fast red has the molecular formula C14H8NNaO7S and a molecular weight of 357.27 g/mol. Its IUPAC name is sodium 4-amino-1,3-dihydroxy-9,10-dioxoanthracene-2-sulfonate.

Which grade and pack sizes of Nuclear fast red can I order?

We supply Nuclear fast red in Microscopy grade, in 1 g, 5 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Nuclear fast red?

Yes. Every lot of Nuclear fast red 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 Nuclear fast red be shipped internationally?

Yes. Nuclear fast red 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.