Nigrosine (alcohol soluble)

Name: Nigrosine (alcohol soluble)
Brand: Vaqora Chemicals
SKU: VQ-000654

About Nigrosine (alcohol soluble)

Vaqora Chemicals supplies Nigrosine (alcohol soluble), a biological stain registered under CAS number 8005-02-5. Formula C14H22N2O4S, molecular weight 314.4 g/mol. Systematically, it is named N-[4-(2-hydroxyethylsulfamoyl)phenyl]hexanamide. Alternative names: Nigrosin Base and Solvent Black 7.

It is supplied as blue to very dark blue and blue-green powder or crystals. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 10 hazard statements. Review the Safety Data Sheet before use.

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

Standard pack sizes are 25 g, 100 g, 1 kg and 4 x 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Dyes & pigments manufacture

Industries

Specifications & identifiers

Chemical identifiers
Product name	Nigrosine (alcohol soluble)
Catalogue No.	VQ-000654
CAS Number	8005-02-5
IUPAC name	N-[4-(2-hydroxyethylsulfamoyl)phenyl]hexanamide
Molecular formula	C₁₄H₂₂N₂O₄S
Molecular weight	314.4 g/mol
Exact mass	314.13
HSN code	34029000
InChIKey	ZOTFNDQLJIXYRU-UHFFFAOYSA-N
SMILES	CCCCCC(=O)NC1=CC=C(C=C1)S(=O)(=O)NCCO
PubChem CID	73894736

Physical properties
Physical form	Crystalline
Appearance	Blue to very dark blue and blue-green powder or crystals
LogP (XLogP3)	1.3
H-bond donors / acceptors	3 / 5
TPSA	104 Å²

Safety & hazard information (GHS)

Corrosive

Toxic

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H311Toxic in contact with skin
H317May cause an allergic skin reaction
H318Causes serious eye damage
H331Toxic if inhaled
H341Suspected of causing genetic defects
H351Suspected of causing cancer
H372Causes damage to organs through prolonged or repeated exposure
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life

Precautionary statements: P203, P260, P261, P262, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P354 + P338, P316, P317, P318, P319, P321, P330, P333 + P317, P361 + P364, 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 Nigrosine (alcohol soluble)?

The CAS Registry Number of Nigrosine (alcohol soluble) is 8005-02-5. It is also known as Nigrosin Base, Solvent Black 7, C.I. Solvent Black 7.

What is the molecular formula and molecular weight of Nigrosine (alcohol soluble)?

Nigrosine (alcohol soluble) has the molecular formula C14H22N2O4S and a molecular weight of 314.4 g/mol. Its IUPAC name is N-[4-(2-hydroxyethylsulfamoyl)phenyl]hexanamide.

Which grade and pack sizes of Nigrosine (alcohol soluble) can I order?

We supply Nigrosine (alcohol soluble), 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 Nigrosine (alcohol soluble)?

Yes. Every lot of Nigrosine (alcohol soluble) 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 Nigrosine (alcohol soluble) be shipped internationally?

Yes. Nigrosine (alcohol soluble) 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.