2-Naphthoic acid - ≥98% , CAS No.93-09-4

CAS: 93-09-4 Cat. No.: N141331 Molecular Weight: 172.18 Beilstein Registry Number: 972039 EC Number: 202-217-8
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
2-naphthalene carboxylic acid | D77680 | Naphthalene-beta-carboxylic acid | 2-Naphthoic acid, >=97.0% (GC) | 2-naphthylcarboxylic acid | BRN 0972039 | EINECS 202-217-8 | 2-Naphthalenecarboxylic acid | 4-09-00-02414 (Beilstein Handbook Reference) | QLG01V0
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
N141331-5g
2
$9.90
25g
N141331-25g
4
$14.90
100g
N141331-100g
5
$36.90
500g
N141331-500g
1
$129.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

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.

📚

Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

2-Naphthoic acid (NPA) is a noncompetitive N-methyl-D-aspartate (NMDA) receptor inhibitor. The fluorescence spectra and electronic absorption of 2-naphthoic acid was studied.

Specifications

Synonyms
2-naphthalene carboxylic acid | D77680 | Naphthalene-beta-carboxylic acid | 2-Naphthoic acid, >=97.0% (GC) | 2-naphthylcarboxylic acid | BRN 0972039 | EINECS 202-217-8 | 2-Naphthalenecarboxylic acid | 4-09-00-02414 (Beilstein Handbook Reference) | QLG01V0
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504751252
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504751252
Canonical SmilesC1=CC=C2C=C(C=CC2=C1)C(=O)O
IUPAC Namenaphthalene-2-carboxylic acid
InChIKeyUOBYKYZJUGYBDK-UHFFFAOYSA-N
INCHI1S/C11H8O2/c12-11(13)10-6-5-8-3-1-2-4-9(8)7-10/h1-7H,(H,12,13)
Isomeric SMILES C1=CC=C2C=C(C=CC2=C1)C(=O)O
WGK Germany 2
RTECS QL1050000
Alternate CAS 93-09-4
Molecular Weight 172.18
Beilstein 972039
Reaxy-Rn 972039
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=972039&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.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassNaphthalenes
SubclassNaphthalenecarboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentNaphthalenecarboxylic acids
Alternative Parents Monocarboxylic acids and derivatives  Carboxylic acids  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents 2-naphthalenecarboxylic acid - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as naphthalenecarboxylic acids. These are compounds containing a naphthalene moiety, which bears a carboxylic acid group one or more positions. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
External Descriptors naphthoic acid
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
ALOX5 Tclin Arachidonate 5-lipoxygenase (6568 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Staphylococcus aureus (210822 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Meloidogyne incognita (862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rattus norvegicus (775804 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
norA Quinolone resistance protein norA (2171 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

8 results found

Lot NumberCertificate TypeDateItem
K2117587Certificate of AnalysisSep 04, 2025 N141331
K2117588Certificate of AnalysisSep 04, 2025 N141331
B2317101Certificate of AnalysisJul 19, 2022 N141331
H2331022Certificate of AnalysisJul 19, 2022 N141331
I2219038Certificate of AnalysisJul 19, 2022 N141331
I2219039Certificate of AnalysisJul 19, 2022 N141331
I2219040Certificate of AnalysisJul 19, 2022 N141331
L2423470Certificate of AnalysisJul 19, 2022 N141331
Chemical and Physical Properties
SolubilitySoluble in alcohol, diethyl ether, methanol, and ethyl acetate (20 mg/ml). Insoluble in water.
Flash Point(°F)401°F
Flash Point(°C)205℃
Melt Point(°C)185-187 °C
Molecular Weight172.180 g/mol
XLogP33.300
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass172.052 Da
Monoisotopic Mass172.052 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count13
Formal Charge0
Complexity200.000
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. Hongwei Ren, Yize Liu, Ruoyao Zhang, Yi Zheng, Tengda Zhao, Jing Han, Chunmao Chen, Erhong Duan.  (2023)  Near-infrared carbon quantum dots from PEG-based deep eutectic solvents for high-accuracy quantitative analysis of naphthenic acids in wastewater.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2023.109988]
Solution Calculators
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