Pyrromethene 556

Name: Pyrromethene 556
Brand: Vaqora Chemicals
SKU: VQ-018756

About Pyrromethene 556

Listed under CAS 121461-69-6, Pyrromethene 556 is a dye available from Vaqora Chemicals at a purity of above 96%. With the molecular formula C14H15BF2N2Na2O6S2, it has a molar mass of 466.2 g/mol. Alternative names: Disodium salt.

The product is provided as a solid. 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.

It is commonly used for textile dyeing, paper and leather colouring and inks and coatings. Our customers for this product work in textiles and dyeing and paints and coatings.

We offer Pyrromethene 556 in 200 mg packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Textile dyeing
Paper & leather colouring
Inks & coatings

Industries

Specifications & identifiers

Chemical identifiers
Product name	Pyrromethene 556
Catalogue No.	VQ-018756
CAS Number	121461-69-6
IUPAC name	disodium;2,2-difluoro-4,6,8,10,12-pentamethyl-3-aza-1-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-1(12),4,6,8,10-pentaene-5,11-disulfonate
Molecular formula	C₁₄H₁₅BF₂N₂Na₂O₆S₂
Molecular weight	466.2 g/mol
Exact mass	466.0228
Purity / assay	>96%
HSN code	29420090
InChIKey	FBAASMARNAYERO-UHFFFAOYSA-L
SMILES	[B-]1(N2C(=C(C(=C2C(=C3[N+]1=C(C(=C3C)S(=O)(=O)[O-])C)C)C)S(=O)(=O)[O-])C)(F)F.[Na+].[Na+]
PubChem CID	14766995

Physical properties
Physical form	Solid
Appearance	Solid
H-bond donors / acceptors	0 / 9
TPSA	139 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

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 Pyrromethene 556?

The CAS Registry Number of Pyrromethene 556 is 121461-69-6. It is also known as Disodium salt, sulfo-2H-pyrrol-2-ylidene)methyl]methane](difluoroborane), [[(3,5-Dimethyl-4-sulfo-1H-pyrrol-2-yl)(3,5-dimethyl-4-.

What is the molecular formula and molecular weight of Pyrromethene 556?

Pyrromethene 556 has the molecular formula C14H15BF2N2Na2O6S2 and a molecular weight of 466.2 g/mol.

Which grade and pack sizes of Pyrromethene 556 can I order?

We supply Pyrromethene 556 in (>96%) grade, in 200 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Pyrromethene 556?

Yes. Every lot of Pyrromethene 556 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 Pyrromethene 556 be shipped internationally?

Yes. Pyrromethene 556 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.