92822
Picrylsulfonic acid solution
1 M in H2O
Synonym(s):
2,4,6-Trinitrobenzenesulfonic acid solution, TNBS
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About This Item
Empirical Formula (Hill Notation):
C6H3N3O9S
CAS Number:
Molecular Weight:
293.17
UNSPSC Code:
12352005
NACRES:
NA.25
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
572358
Concentration:
1 M in H2O
Form:
liquid
form
liquid
Quality Segment
concentration
1 M in H2O
solubility
water: soluble at 20 °C
density
1.14 g/mL at 20 °C
ε (extinction coefficient)
≤0.85 at 340 nm
shipped in
dry ice
storage temp.
−20°C
SMILES string
OS(=O)(=O)c1c(cc(cc1[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O
InChI
1S/C6H3N3O9S/c10-7(11)3-1-4(8(12)13)6(19(16,17)18)5(2-3)9(14)15/h1-2H,(H,16,17,18)
InChI key
NHJVRSWLHSJWIN-UHFFFAOYSA-N
Application
Hydrophilic modifying reagent. Derivatives with amino compounds can be regenerated with hydrazine.
Picrylsulfonic acid (2,4,6-Trinitrobenzenesulfonic acid solution, TNBS) may be used in studies on the mechanisms of intracellular pH regulation. TNBS is used to induce inflammatory bowel disease (IBD)/colonic inflammation for studies on its mechanism and treatment.
Other Notes
Sales restrictions may apply
Disclaimer
decomposes when stored at temperatures ≥0°C with precipitate formation (picric acid)
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Desen. Expl. 3 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1
Storage Class
3 - Flammable liquids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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