3-Nitrophthalic acid - ≥99% , CAS No.603-11-2

CAS: 603-11-2 Cat. No.: N106590 Molecular Weight: 211.13 Beilstein Registry Number: 2054269 EC Number: 210-030-8
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
SCHEMBL304456 | Z57127452 | Phthalic acid, 3-nitro- | 3-Nitro-1,2-benzenedicarboxylic acid | 3-Nitrophthalicacid | InChI=1/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 | STR03241 | UNII-MC7W4GB97C | 1,2-Benzenedicarboxylic acid,
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
25g
N106590-25g
4

$10.90

$16.90
Save $6.00 (35.50%)
100g
N106590-100g
4

$21.90

$32.90
Save $11.00 (33.43%)
500g
N106590-500g
2

$68.90

$103.90
Save $35.00 (33.69%)
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Product Description

3-Nitrophthalic acid is a degradation product of isoxabenherbicide.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.
Product 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.

Specifications

Synonyms
SCHEMBL304456 | Z57127452 | Phthalic acid, 3-nitro- | 3-Nitro-1, 2-benzenedicarboxylic acid | 3-Nitrophthalicacid | InChI=1/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 | STR03241 | UNII-MC7W4GB97C | 1, 2-Benzenedicarboxylic acid,
Specifications & Purity
≥99%
Storage
Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid504754325
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504754325
Canonical SmilesC1=CC(=C(C(=C1)[N+](=O)[O-])C(=O)O)C(=O)O
IUPAC Name3-nitrophthalic acid
InChIKeyKFIRODWJCYBBHY-UHFFFAOYSA-N
INCHI1S/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)
Isomeric SMILES C1=CC(=C(C(=C1)[N+](=O)[O-])C(=O)O)C(=O)O
WGK Germany 3
Molecular Weight 211.13
Beilstein 2054269
Reaxy-Rn 2054269
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2054269&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentNitrobenzoic acids and derivatives
Alternative Parents Nitrobenzenes  Benzoic acids  Nitroaromatic compounds  Benzoyl derivatives  Dicarboxylic acids and derivatives  Propargyl-type 1,3-dipolar organic compounds  Organic oxoazanium compounds  Carboxylic acids  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Nitrobenzoate - Benzoic acid - Nitrobenzene - Nitroaromatic compound - Benzoyl - Dicarboxylic acid or derivatives - Organic nitro compound - C-nitro compound - Carboxylic acid derivative - Carboxylic acid - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Allyl-type 1,3-dipolar organic compound - Organic oxoazanium - Organic nitrogen compound - Organonitrogen compound - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as nitrobenzoic acids and derivatives. These are compounds containing a nitrobenzoic acid moiety, which consists of a benzene ring bearing both a carboxylic acid group and a nitro group on two different ring carbon atoms.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

9 results found

Lot NumberCertificate TypeDateItem
L2515091Certificate of AnalysisDec 18, 2025 N106590
B2210080Certificate of AnalysisOct 30, 2025 N106590
B2210083Certificate of AnalysisOct 30, 2025 N106590
B2210084Certificate of AnalysisOct 30, 2025 N106590
B2210223Certificate of AnalysisOct 30, 2025 N106590
L2121037Certificate of AnalysisOct 11, 2025 N106590
H2126352Certificate of AnalysisJun 09, 2025 N106590
B2311450Certificate of AnalysisFeb 18, 2023 N106590
B2311449Certificate of AnalysisJan 07, 2022 N106590
Chemical and Physical Properties
SolubilitySoluble in DMSO;Solubility in methanol is almost transparent. Soluble in 5% water.
Melt Point(°C)213-216°C
Molecular Weight211.130 g/mol
XLogP30.700
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count6
Rotatable Bond Count2
Exact Mass211.012 Da
Monoisotopic Mass211.012 Da
Topological Polar Surface Area120.000 Ų
Heavy Atom Count15
Formal Charge0
Complexity296.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Zexi Wu, Caijie Shi, Tao Peng, Qiannan Cheng, Qingquan Tang, Luoxin Wang, Hua Wang, Siwei Xiong.  (2023)  Effects of ionic liquids as catalysts on liquid crystal aromatic polyester based on thin-film polymerization technique.  JOURNAL OF APPLIED POLYMER SCIENCE,      [PMID:] [10.1002/app.55012]
2. Zhihan Liang, Xiaohan Li, Shaochang Ji, Jiayi Cheng, Haiquan Jing, Jinyan Zhang, Yanyue Lu.  (2023)  Pyrazinamide-3-Nitrophthalic Acid Cocrystals: Synthesis, Transformation, and Property Evaluation.  CRYSTAL GROWTH & DESIGN,      [PMID:] [10.1021/acs.cgd.3c00790]
3. Ling-Dong Chen, Lin-Xia Zhou, Yue-Qing Zheng, Hong-Lin Zhu.  (2017)  Two new Ag (I) supramolecular complexes based on melamine: Synthesis, structures and photocatalytic activity under visible light irradiation.  POLYHEDRON,      [PMID:] [10.1016/j.poly.2017.01.031]
4. Qiannan Cheng, Tao Peng, Caijie Shi, Qingquan Tang, Siwei Xiong, Ming Yang, Luoxin Wang, Hua Wang.  (2024)  Synthesis and polymerization kinetics of bio-based liquid crystal polyesters based on plant-derived phenolic acid.  REACTIVE & FUNCTIONAL POLYMERS,      [PMID:] [10.1016/j.reactfunctpolym.2024.106022]
Solution Calculators
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