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128848

Sigma-Aldrich

3,5-Dinitrosalicylic acid

98%

Synonym(s):

3,5-Dinitro-2-hydroxybenzoic acid, DNS

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About This Item

Linear Formula:
(O2N)2C6H2-2-(OH)CO2H
CAS Number:
Molecular Weight:
228.12
Beilstein:
2220661
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

98%

form

powder

mp

168-172 °C (lit.)

SMILES string

OC(=O)c1cc(cc(c1O)[N+]([O-])=O)[N+]([O-])=O

InChI

1S/C7H4N2O7/c10-6-4(7(11)12)1-3(8(13)14)2-5(6)9(15)16/h1-2,10H,(H,11,12)

InChI key

LWFUFLREGJMOIZ-UHFFFAOYSA-N

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Application

3,5-Dinitrosalicylic acid was used as a reagent for the preparation of oxazolines from amino alcohols and for the spectrophotometric determination of ampicillin. It was also used to measure the effects of silver nanoparticles on the membrane leakage of the reducing sugars.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class Code

4.1A - Other explosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Organometallics, 12, 3485-3485 (1993)
Ju Li et al.
Journal of nanoscience and nanotechnology, 13(10), 6806-6813 (2013-11-20)
Silver nanoparticles (AgNPs) with different sizes (5, 15 and 55 nm) were synthesized via simple method, and characterized by powder X-ray diffraction (XRD), transmission electron microscopy (TEM), energy-dispersive X-ray microanalysis (EDX) and ultraviolet-visible absorption spectroscopy (UV-Vis). The antibacterial activities of
Analytical Chemistry, 26, 2397-2397 (1993)
Mulazim Hussain Asim et al.
Journal of colloid and interface science, 531, 261-268 (2018-07-24)
The purpose of this study was to develop a novel mucoadhesive thiolated and S-protected gamma cyclodextrin (γ-CD) with an intact ring backbone to assure a prolonged residence time at specific target sites. Thiolated γ-CD was generated through bromine substitution of
Guillermo Coward-Kelly et al.
Biotechnology and bioengineering, 82(6), 745-749 (2003-04-04)
Two suggestions can be found in the literature to improve the reproducibility of the Mandels' filter paper assay: add supplemental cellobiase and increase the boiling time for color development. Here we provide data that strongly supports adding supplemental cellobiase. Adding

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