Direct Brown 95

Name: Direct Brown 95
Brand: Vaqora Chemicals
SKU: VQ-051072

About Direct Brown 95

Direct Brown 95 is an organosulfur compound carrying the CAS registry number 16071-86-6. Formula C31H18CuN6Na2O9S, molecular weight 760.1 g/mol. It is also known as C.I. Direct Brown 95 or Aizen Primula Brown BRLH.

Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 100 mg, 250 mg, 1 g and 5 g packs, Direct Brown 95 is dispatched with a Certificate of Analysis (COA) to destinations worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Direct Brown 95
Catalogue No.	VQ-051072
CAS Number	16071-86-6
IUPAC name	copper;disodium;2-hydroxy-5-[[4-[4-[[6-hydroxy-2-oxido-3-[(2-oxido-5-sulfonatophenyl)diazenyl]phenyl]diazenyl]phenyl]phenyl]diazenyl]benzoate
Molecular formula	C₃₁H₁₈CuN₆Na₂O₉S
Molecular weight	760.1 g/mol
Exact mass	758.9947
HSN code	2933
InChIKey	HZBTZQVWJPRVDN-UHFFFAOYSA-J
SMILES	C1=CC(=CC=C1C2=CC=C(C=C2)N=NC3=C(C=CC(=C3[O-])N=NC4=C(C=CC(=C4)S(=O)(=O)[O-])[O-])O)N=NC5=CC(=C(C=C5)O)C(=O)[O-].[Na+].[Na+].[Cu+2]
PubChem CID	135585372

Physical properties
Physical form	Other
H-bond donors / acceptors	2 / 15
TPSA	266 Å²
Synonyms	C.I. Direct Brown 95, Aizen Primula Brown BRLH, Solar Brown PL, Solex Brown R, Durazol Brown BR, Cuprofix Brown GL, Dermafix Brown PL, Direct Brown BRL, Saturn Brown LBR, Dicorel Brown LMR, Fenaluz Brown BRL, Suprazo Brown BRL

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H350May cause cancer

Precautionary statements: P203, P280, P318, 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 Direct Brown 95?

The CAS Registry Number of Direct Brown 95 is 16071-86-6. It is also known as C.I. Direct Brown 95, Aizen Primula Brown BRLH, Solar Brown PL.

What is the molecular formula and molecular weight of Direct Brown 95?

Direct Brown 95 has the molecular formula C31H18CuN6Na2O9S and a molecular weight of 760.1 g/mol.

Which grade and pack sizes of Direct Brown 95 can I order?

We supply Direct Brown 95, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Direct Brown 95?

Yes. Every lot of Direct Brown 95 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 Direct Brown 95 be shipped internationally?

Yes. Direct Brown 95 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.