2-Hydroxy-1-naphthoic Acid - ≥98% , CAS No.2283-08-1

CAS: 2283-08-1 Cat. No.: H157161 Molecular Weight: 188.18 EC Number: 218-919-2
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
2-hydroxy-1-napthoic acid | 2-hydroxy-l-naphthoic acid | DTXSID9062304 | AI3-19839 | 1-Naphthalenecarboxylic acid, 2-hydroxy- | E3H4QZ94UY | FT-0612523 | 1-NAPHTHOIC ACID, 2-HYDROXY- | 2-hydroxy-1-naphtoic acid | 3-(5-PHENYL-2-FURYL)PROPANOICACID | Q27276
Storage
Room temperature,Desiccated,Cool
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
H157161-5g
9
$19.90
25g
H157161-25g
4
$49.90
50g
H157161-50g
6
$99.90
100g
H157161-100g
1
$154.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

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

🌡

Storage & shipping

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

📋

Quality documents

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

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
2-hydroxy-1-napthoic acid | 2-hydroxy-l-naphthoic acid | DTXSID9062304 | AI3-19839 | 1-Naphthalenecarboxylic acid, 2-hydroxy- | E3H4QZ94UY | FT-0612523 | 1-NAPHTHOIC ACID, 2-HYDROXY- | 2-hydroxy-1-naphtoic acid | 3-(5-PHENYL-2-FURYL)PROPANOICACID | Q27276
Specifications & Purity
≥98%
Storage
Room temperature, Desiccated, Cool
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488182293
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488182293
Canonical SmilesC1=CC=C2C(=C1)C=CC(=C2C(=O)O)O
IUPAC Name2-hydroxynaphthalene-1-carboxylic acid
InChIKeyUPHOPMSGKZNELG-UHFFFAOYSA-N
INCHI1S/C11H8O3/c12-9-6-5-7-3-1-2-4-8(7)10(9)11(13)14/h1-6,12H,(H,13,14)
Isomeric SMILES C1=CC=C2C(=C1)C=CC(=C2C(=O)O)O
Molecular Weight 188.18
Reaxy-Rn 975575
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=975575&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 Naphthols and derivatives  Salicylic acid and derivatives  1-hydroxy-2-unsubstituted benzenoids  Vinylogous acids  Monocarboxylic acids and derivatives  Carboxylic acids  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents 1-naphthalenecarboxylic acid - 2-naphthol - Salicylic acid or derivatives - Hydroxybenzoic acid - 1-hydroxy-2-unsubstituted benzenoid - Vinylogous 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 Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
ERN1 Tchem Serine/threonine-protein kinase/endoribonuclease IRE1 (1682 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP73A16 Trans-cinnamate 4-monooxygenase (45 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.

10 results found

Lot NumberCertificate TypeDateItem
L1803268Certificate of AnalysisJun 15, 2026 H157161
D2607391Certificate of AnalysisMar 25, 2026 H157161
D2607392Certificate of AnalysisMar 25, 2026 H157161
B2222123Certificate of AnalysisDec 10, 2025 H157161
B2222127Certificate of AnalysisDec 10, 2025 H157161
B2222130Certificate of AnalysisDec 10, 2025 H157161
K2504131Certificate of AnalysisNov 14, 2025 H157161
K2102281Certificate of AnalysisAug 11, 2025 H157161
D23142439Certificate of AnalysisJan 20, 2022 H157161
J2323041Certificate of AnalysisJan 20, 2022 H157161
Chemical and Physical Properties
Melt Point(°C)167 °C(dec.)
Molecular Weight188.180 g/mol
XLogP32.900
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass188.047 Da
Monoisotopic Mass188.047 Da
Topological Polar Surface Area57.500 Ų
Heavy Atom Count14
Formal Charge0
Complexity227.000
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. Shanshan Sun, Haizhen Wang, Binxin Fu, Hao Zhang, Jun Lou, Laosheng Wu, Jianming Xu.  (2019)  Non-bioavailability of extracellular 1-hydroxy-2-naphthoic acid restricts the mineralization of phenanthrene by Rhodococcus sp. WB9.  SCIENCE OF THE TOTAL ENVIRONMENT,      [PMID:31831232] [10.1016/j.scitotenv.2019.135331]
2. Zhanpeng Liu, Xiangbo Ding, Lin Cai, Yihan Jia, Xia Ran, Zhongzheng Guo, Dan Mo, Yatao Pan, Lijun Guo.  (2025)  Cascade energy transfer endows phosphorescent carbon dots-based films with tunable and broadband afterglow for fingerprint recognition and anticounterfeiting.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.160311]
Solution Calculators
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