Amido black 10B

Name: Amido black 10B
Brand: Vaqora Chemicals
SKU: VQ-000467

About Amido black 10B

Listed under CAS 1064-48-8, Amido black 10B is a biological stain available from Vaqora Chemicals in Microscopy grade. The compound has the formula C22H14N6Na2O9S2, corresponding to a molecular weight of 616.5 g/mol. Systematically, it is named disodium, 4-amino-5-hydroxy-3-[(4-nitrophenyl)diazenyl]-6-phenyldiazenylnaphthalene-2,7-disulfonate. Alternative names: Naphthalene Black 12B and Naphthol Blue Black.

The material typically appears as a brown to very dark brown and black powder. Store sealed in a dry, well-ventilated location away from incompatible materials. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Typical applications include histology and cytology staining, microscopy and clinical laboratories. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Standard pack sizes are 25 g, 100 g, 1 kg and 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories

Industries

Specifications & identifiers

Chemical identifiers
Product name	Amido black 10B
Catalogue No.	VQ-000467
CAS Number	1064-48-8
IUPAC name	disodium;4-amino-5-hydroxy-3-[(4-nitrophenyl)diazenyl]-6-phenyldiazenylnaphthalene-2,7-disulfonate
Molecular formula	C₂₂H₁₄N₆Na₂O₉S₂
Molecular weight	616.5 g/mol
Exact mass	616.0059
Grade	Microscopy
HSN code	32049000
InChIKey	AOMZHDJXSYHPKS-UHFFFAOYSA-L
SMILES	C1=CC=C(C=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC4=CC=C(C=C4)[N+](=O)[O-])N)O.[Na+].[Na+]
PubChem CID	135442942

Physical properties
Physical form	Powder
Appearance	Brown to very dark brown and black powder
H-bond donors / acceptors	2 / 14
TPSA	273 Å²
UN number	UN 2924
Synonyms	Naphthalene Black 12B, Naphthol Blue Black, Buffalo Black NBR, Acid black 2, C.I. Acid Black 1, Amido black, C.I. Acid Black 1, disodium salt, Acidal Black 10B, Naphthol Blue Black B, Acidal Navy Blue 3BR, Acid Blue Black, Acid Blue-Black

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 1064-48-8

Extra Pure

Amido black 10B, extra pure 80%

CAS: 1064-48-8
Formula: C₂₂H₁₄N₆Na₂O₉S₂
MW: 616.5 g/mol

VQ-045782

Molecular Biology

Amido black 10B, for molecular biology

CAS: 1064-48-8
Formula: C₂₂H₁₄N₆Na₂O₉S₂
MW: 616.5 g/mol

VQ-046145

LR / Spectroscopy / E…

Amido black 10B, LR, for spectroscopy, for electrophoresis

CAS: 1064-48-8
Formula: C₂₂H₁₄N₆Na₂O₉S₂
MW: 616.5 g/mol

VQ-046718

Dry

Amido black 10B, specially dried 50%

CAS: 1064-48-8
Formula: C₂₂H₁₄N₆Na₂O₉S₂
MW: 616.5 g/mol

VQ-046144

Microscopy

Naphthol black

CAS: 1064-48-8
Formula: C₂₂H₁₄N₆Na₂O₉S₂
MW: 616.5 g/mol

VQ-000644

Frequently asked questions

What is the CAS number of Amido black 10B?

The CAS Registry Number of Amido black 10B is 1064-48-8. It is also known as Naphthalene Black 12B, Naphthol Blue Black, Buffalo Black NBR.

What is the molecular formula and molecular weight of Amido black 10B?

Amido black 10B has the molecular formula C22H14N6Na2O9S2 and a molecular weight of 616.5 g/mol.

Which grade and pack sizes of Amido black 10B can I order?

We supply Amido black 10B in Microscopy grade, in 25 g, 100 g, 1 kg, 25 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Amido black 10B?

Yes. Every lot of Amido black 10B 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 Amido black 10B be shipped internationally?

Yes. Amido black 10B is classified as hazardous (UN 2924), 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.