Picrylsulphonic acid solution, 5% (w/v) in H2O 2508-19-2

Name: Picrylsulphonic acid solution, 5% (w/v) in H2O
Brand: Vaqora Chemicals
SKU: VQ-003385

About Picrylsulphonic acid solution, 5% (w/v) in H2O

Picrylsulphonic acid solution (CAS 2508-19-2) is a molecular biology reagent offered by Vaqora Chemicals, specified at 5% purity. Its molecular formula is C6H3N3O9S and its molecular weight is 293.17 g/mol. Systematically, it is named 2,4,6-trinitrobenzenesulfonic acid. Alternative names: 2,4,6-Trinitrobenzenesulfonic acid solution and TNBS.

It is supplied as a liquid yellow to dark liquid. Recommended storage is at 2–8 °C, with the container kept tightly sealed. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include electrophoresis, DNA/RNA workflows, protein analysis and analytical determinations. It is used across academic and industrial research and diagnostics and biotechnology.

Available in 10 mL and 5 x 10 mL packs, Picrylsulphonic acid solution is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Electrophoresis
DNA/RNA workflows
Protein analysis
Analytical determinations

Industries

Specifications & identifiers

Chemical identifiers
Product name	Picrylsulphonic acid solution, 5% (w/v) in H2O
Catalogue No.	VQ-003385
CAS Number	2508-19-2
IUPAC name	2,4,6-trinitrobenzenesulfonic acid
Molecular formula	C₆H₃N₃O₉S
Molecular weight	293.17 g/mol
Exact mass	292.959
Purity / assay	5%
HSN code	29049090
InChIKey	NHJVRSWLHSJWIN-UHFFFAOYSA-N
SMILES	C1=C(C=C(C(=C1[N+](=O)[O-])S(=O)(=O)O)[N+](=O)[O-])[N+](=O)[O-]
PubChem CID	11045

Physical properties
Physical form	Solution
Appearance	Liquid yellow to dark liquid
LogP (XLogP3)	0.2
H-bond donors / acceptors	1 / 9
TPSA	200 Å²
Storage	2–8 °C
UN number	UN 3265
Synonyms	2,4,6-Trinitrobenzenesulfonic acid solution, TNBS, Picrylsulfonic acid solution, Picryl sulfonic acid, Trinitrobenzenesulfonic acid, Picrylsulfonic Acid, Benzenesulfonic acid, 2,4,6-trinitro-, 2,4,6-Trinitrobenzene-1-sulfonic acid, Sulfonate, Trinitrobenzene, trinitrobenzene sulfonic acid, 2,4,6-Trinitrobenzenesulfonic acid(5% in H2O), 2,4,6-Dinitrobenzenesulfonate

Safety & hazard information (GHS)

Explosive

Corrosive

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H201(deleted) explosive, mass explosion hazard
H301Toxic if swallowed
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction

Precautionary statements: P210, P230, P240, P250, P260, P261, P264, P270, P272, P280, P301 + P316, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P330, P333 + P317, P362 + P364, P363, P370 + P380, P372

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 Picrylsulphonic acid solution, 5% (w/v) in H2O?

The CAS Registry Number of Picrylsulphonic acid solution, 5% (w/v) in H2O is 2508-19-2. It is also known as 2,4,6-Trinitrobenzenesulfonic acid solution, TNBS, Picrylsulfonic acid solution.

What is the molecular formula and molecular weight of Picrylsulphonic acid solution, 5% (w/v) in H2O?

Picrylsulphonic acid solution, 5% (w/v) in H2O has the molecular formula C6H3N3O9S and a molecular weight of 293.17 g/mol. Its IUPAC name is 2,4,6-trinitrobenzenesulfonic acid.

Which grade and pack sizes of Picrylsulphonic acid solution, 5% (w/v) in H2O can I order?

We supply Picrylsulphonic acid solution, 5% (w/v) in H2O in (5%) grade, in 10 mL, 5 x 10 mL packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Picrylsulphonic acid solution, 5% (w/v) in H2O?

Yes. Every lot of Picrylsulphonic acid solution, 5% (w/v) in H2O 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 Picrylsulphonic acid solution, 5% (w/v) in H2O be shipped internationally?

Yes. Picrylsulphonic acid solution, 5% (w/v) in H2O is classified as hazardous (UN 3265), 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.

How should Picrylsulphonic acid solution, 5% (w/v) in H2O be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.