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Merck
CN

92824

Picrylsulfonic acid solution

purum, ~1% in DMF

Synonym(s):

2,4,6-Trinitrobenzenesulfonic acid solution, TNBS

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About This Item

Empirical Formula (Hill Notation):
C6H3N3O9S
CAS Number:
2508-19-2
Molecular Weight:
293.17
UNSPSC Code:
12352200
Beilstein/REAXYS Number:
572358
MDL number:
MFCD00064382

Key Documents

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purum

InChI key

NHJVRSWLHSJWIN-UHFFFAOYSA-N

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)

concentration

~1% in DMF

refractive index

n20/D 1.431

storage temp.

2-8°C

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Application

Hydrophilic modifying reagent. Derivatives with amino compounds can be regenerated with hydrazine.

Other Notes

Reagent used in a micro-test for detecting incomplete coupling in solid-phase peptide synthesis

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Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B - Skin Irrit. 2 - Skin Sens. 1

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

136.4 °F - closed cup

flash_point_c

58 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

监管及禁止进口产品
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A new micro-test for the detection of incomplete coupling reactions in solid-phase peptide synthesis using 2,4,6-trinitrobenzenesulphonic acid.
W S Hancock et al.
Analytical biochemistry, 71(1), 260-264 (1976-03-01)

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