92823
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
PubChem Substance ID:
UNSPSC Code:
12352005
Beilstein/REAXYS Number:
572358
MDL number:
concentration
~1 M in H2O
density
1.14 g/mL at 20 °C
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.
Other Notes
Sales restrictions may apply
Disclaimer
decomposes when stored at temperatures ≥0°C with precipitate formation (picric acid)
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Signal Word
Danger
Hazard Codes
Hazard Classifications
Acute Tox. 4 Oral - Desen. Expl. 3 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1
Storage Class
3 - Flammable liquids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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