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369306

Sigma-Aldrich

3-Nitrophthalic acid

95%

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About This Item

Linear Formula:
O2NC6H3-1,2-(CO2H)2
CAS Number:
603-11-2
Molecular Weight:
211.13
Beilstein:
2054269
EC Number:
210-030-8
MDL number:
MFCD00007138
UNSPSC Code:
12352100
PubChem Substance ID:
24862954
NACRES:
NA.22

Assay

95%

mp

210 °C (dec.) (lit.)

solubility

water: soluble 5%, clear to slightly hazy, colorless to faintly yellow

SMILES string

OC(=O)c1cccc(c1C(O)=O)[N+]([O-])=O

InChI

1S/C8H5NO6/c10-7(11)4-2-1-3-5(9(14)15)6(4)8(12)13/h1-3H,(H,10,11)(H,12,13)

InChI key

KFIRODWJCYBBHY-UHFFFAOYSA-N

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General description

3-Nitrophthalic acid is a degradation product of isoxaben herbicide.It acts as ligand and forms rare-earth complexes with La, Nd, Eu, Tb, Er and Y. Preparation of 3-nitrophthalic acid has been reported.

Application

3-Nitrophthalic acid may be used as starting reagent in the synthesis of modified 2-iodoxybenzoic acid derivatives. It may be used in the synthesis of brucinium 2-carboxy-6-nitrophthalate dihydrate (systematic name: 2,3-dimethoxy-10-oxostrychnidinium 2-carboxy-6-nitrophthalate dihydrate), via heating with brucine.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H315,H318,H335

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

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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Hydrazine solution 35 wt. % in H2O

Sigma-Aldrich

309400

Hydrazine solution

The preparation of 3-nitrophthalic acid.
Littmann ER.
Journal of the American Chemical Society, 47(7), 1980-1981 (1925)
Brucinium 2-carboxy-6-nitrophthalate dihydrate: the 1: 1 proton-transfer compound of brucine with 3-nitrophthalic acid.
Smith G, et al.
Acta Crystallographica Section E, Structure Reports Online, 61(7), o2008-o2011 (2005)
Fan Zhang et al.
Guang pu xue yu guang pu fen xi = Guang pu, 29(10), 2773-2776 (2009-12-30)
A series of rare-earth compound RE2L2 (HL)2 (H2O)6 x 2H2O (RE=La, Nd, Eu, Tb, Er, Y) containing 3-nitrophthalic acid (H2L) ligand were synthesized from ethanol-water solution, and characterized and investigated by the element analysis, infrared and ultraviolet absorption spectra and
Hypervalent iodine reagents for the oxidation of alcohols and their application to complex molecule synthesis.
Tohma H and Kita Y.
Advanced Synthesis & Catalysis, 346(2-3), 111-124 (2004)
Clyatt E Drakeford et al.
Chemosphere, 50(9), 1243-1247 (2003-01-28)
Commercial production of ornamental plants is an important industry in the United States and involves a complex technology that includes the use of herbicides. Isoxaben[N-[3-(1-ethyl-1-methylpropyl)-5-isoxazolyl]-2,6-dimethoxybenzamide] is a pre-emergence herbicide used for controlling weeds in many areas including containerized ornamental plants.
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