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2,4,6-TRINITROBENZENESULFONIC ACID

CAS No.
2508-19-2
Chemical Name:
2,4,6-TRINITROBENZENESULFONIC ACID
Synonyms
TNBS;Picrylsulfonic acid solution;Benzenesulfonic acid, 2,4,6-trinitro-;TNBSA;PICRYLSULFONIC ACID;NSC 127994;PICRYLSULPHONICACID;2,4,6-TrinitrobenzenesuL;Picrylsulfonic acid soluti;TrinitrobenzoylsulfonicAcid
CBNumber:
CB3737855
Molecular Formula:
C6H3N3O9S
Molecular Weight:
293.17
MDL Number:
MFCD00064382
MOL File:
2508-19-2.mol
Last updated:2022-12-21 16:56:50

2,4,6-TRINITROBENZENESULFONIC ACID Properties

Density 1.14 g/mL at 20 °C
refractive index n20/D 1.431
Flash point 58 °C
storage temp. 2-8°C
pka -3.05±0.50(Predicted)
BRN 572358
InChIKey NHJVRSWLHSJWIN-UHFFFAOYSA-N
CAS DataBase Reference 2508-19-2(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 8T3HQG2ZC4
EPA Substance Registry System Benzenesulfonic acid, 2,4,6-trinitro- (2508-19-2)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS05,GHS07
Signal word  Danger
Hazard statements  H314-H317
Precautionary statements  P261-P272-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  T,Xn,C,F
Risk Statements  61-20/21-36-43-36/38-22-1-34-25-11
Safety Statements  53-26-36/37-45-36/37/39-16-35
RIDADR  UN 3265 8/PG 3
WGK Germany  1
RTECS  DA9138500
HazardClass  1.1D
PackingGroup 

2,4,6-TRINITROBENZENESULFONIC ACID Chemical Properties,Uses,Production

Definition

ChEBI: The arenesulfonic acid that is benzenesulfonic acid with three nitro substituents in the 2-, 4- and 6-positions.

General Description

A detonating explosive substance derived from an organic sulfonic acid. Primary hazard is blast of an instantaneous explosion, not flying projectiles or fragments. Under prolonged exposure to fire or heat the containers may explode violently.

Air & Water Reactions

Soluble in water. Solution exhibits a strong acidic reaction.

Reactivity Profile

2,4,6-TRINITROBENZENESULFONIC ACID is a nitroaryl oxidizing acid. If mixed with reducing agents, including hydrides, sulfides and nitrides, they may begin a vigorous reaction that culminates in a detonation. The aromatic nitro compounds may explode in the presence of a base such as sodium hydroxide or potassium hydroxide even in the presence of water or organic solvents. The explosive tendencies of aromatic nitro compounds are increased by the presence of multiple nitro groups.

Health Hazard

Fire may produce irritating, corrosive and/or toxic gases.

Fire Hazard

MAY EXPLODE AND THROW FRAGMENTS 1600 meters (1 MILE) OR MORE IF FIRE REACHES CARGO.

Purification Methods

Recrystallise TNBS from 1M HCl, or a mixture of EtOH (50mL), H2O (30mL) and conc HCl (70mL) for 65g of acid, and dry it at 100o. The diethanolamine salt had m 182-183o [Golumbic J Org Chem 11 518 1946]. [Beilstein 11 III 161.]

2,4,6-TRINITROBENZENESULFONIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

2,4,6-TRINITOBENZENESULFONIC ACID Trinitrobenzene sulphonic acid 2,4,6-trinitro-benzenesulfonicaci 2,4,6-trinitrobenzenesulfonicacidsol. Picrylsulfonic acid soluti Picrylsulfonic Acid, 5 Percent (w/v) Solution in Methanol 2,4,6-Trinitrobenzenesulfonic acid(5% in H2O) 2,4,6-Trinitrophenylsulfonic acid NSC 127994 2,4,6-Trinitrobenzenesulfonic acid Picrylsulfonic acid solution TNBS 2,4,6-Trinitrobenzenesulfonic acid (TNBS) 2,4,6-trinitrobenzenesulfonic acid solution picrylsulfonic acid hydrate 5% (W/V)*aqueous solu 2,4,6-TRINITROBENZENESULFONIC ACID 2,4,6-TRINITROBENZENESULPHONIC ACID 2,4,6-TRINITROBENZENESULFONIC ACID SOL., 0.5 M IN ETHANOL PICRYLSULFONIC ACID HYDRATE 5% (W/V)*AQU EOUS SOLUTI TrinitrobenzoylsulfonicAcid PICRYLSULFONICACID,10%AQUEOUSSOLUTION PICRYLSULFONICACID,5%(W/V)SOLUTIONINMETHANOL PICRYLSULPHONICACID 2,4,6-TRINITROBENZENE SULFONIC ACID 98+% 2,4,6-TRINITROBENZENE SULFONIC ACID 5% W V IN METHANOL 2,4,6-TRINITROBENZENESULFONIC ACID, 1M SOLUTION IN WATER Picrylsulfonic Acid (ca. 1% in N,N-Dimethylformamide) [for Detection of Primary Amines] trinitrobenzenesulfonicacid 2,4,6-Trinitrobenzenesulfonic acid solution, TNBS Picrylsulfonic Acid (ca. 1mol/L in Water) Picrylsulfonic acid solution,2,4,6-Trinitrobenzenesulfonic acid solution, TNBS 2,4,6-Trinitrobenzenesulfonic 2,4,6-TrinitrobenzenesuL Picrylsulphonic acid solution, 5% (w/v) in H2O TNBS TNBSA PICRYLSULFONIC ACID Picrylsulfonic acid solution Benzenesulfonic acid, 2,4,6-trinitro- 2508-19-2 C6H3N3O9S C6H3N3O9SxH2O Protein Quantitation Quantitation Kits and Reagents Proteomics and Protein Expression Protein Analysis TLC Reagents General Protein Quantitation BioChemical Detection of Amines for Primary Amines (for Detection of Free Amine on the Resins) Combinatrial Chemistry Combinatorial Chemistry Detection of Amines for Primary Amines (for Detection of Free Amine on the Resins) Synthetic Organic Chemistry