1,2-Naphthoquinone-4-sulfonic acid sodium salt - ≥98% , CAS No.521-24-4

CAS: 521-24-4 Cat. No.: N111090 Molecular Weight: 260.2 Beilstein Registry Number: 4169788 EC Number: 208-308-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
1,2-Naphthoquinone-4-sulfonic acid sodium salt | AKOS003614484 | Z57947969 | N0043 | .BETA.-NAPHTHOQUINONE-4-SULFONIC ACID SODIUM SALT | 1,2-NAPHTHOQUINONE-4-SULFONIC ACID SODIUM | AI3-50008 | EINECS 208-308-9 | SB19104 | 1,2-naphthoquinone-4-sulfonic aci
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
N111090-1g
3

$16.90

$25.90
Save $9.00 (34.75%)
5g
N111090-5g
2

$30.90

$46.90
Save $16.00 (34.12%)
25g
N111090-25g
2

$100.90

$151.90
Save $51.00 (33.57%)
100g
N111090-100g
3

$314.90

$472.90
Save $158.00 (33.41%)
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Why this grade

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

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Storage & shipping

Store at 2-8°C Ships Wet ice 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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Usually used in the colorimetric assay for determination of procaine hydrochloride in pharmaceutical preparations.

Specifications

Synonyms
1, 2-Naphthoquinone-4-sulfonic acid sodium salt | AKOS003614484 | Z57947969 | N0043 | .BETA.-NAPHTHOQUINONE-4-SULFONIC ACID SODIUM SALT | 1, 2-NAPHTHOQUINONE-4-SULFONIC ACID SODIUM | AI3-50008 | EINECS 208-308-9 | SB19104 | 1, 2-naphthoquinone-4-sulfonic aci
Specifications & Purity
≥98%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504758986
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504758986
Canonical SmilesC1=CC=C2C(=C1)C(=CC(=O)C2=O)S(=O)(=O)[O-].[Na+]
IUPAC Namesodium;3,4-dioxonaphthalene-1-sulfonate
InChIKeyUBLXEEBHYISRFM-UHFFFAOYSA-M
INCHI1S/C10H6O5S.Na/c11-8-5-9(16(13,14)15)6-3-1-2-4-7(6)10(8)12;/h1-5H,(H,13,14,15);/q;+1/p-1
Isomeric SMILES C1=CC=C2C(=C1)C(=CC(=O)C2=O)S(=O)(=O)[O-].[Na+]
WGK Germany 3
RTECS QK1490000
Molecular Weight 260.2
Beilstein 4169788
Reaxy-Rn 4169788
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4169788&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
SubclassNaphthoquinones
Intermediate Tree Nodes Not available
Direct ParentNaphthoquinones
Alternative Parents Quinones  Aryl ketones  Sulfonyls  Organosulfonic acids  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents Naphthoquinone - Quinone - Aryl ketone - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Sulfonyl - Organosulfonic acid - Ketone - Cyclic ketone - Organic alkali metal salt - Carbonyl group - Organic salt - Organic sodium salt - Hydrocarbon derivative - Organosulfur compound - Organooxygen compound - Organic oxide - Organic oxygen compound - Aromatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as naphthoquinones. These are compounds containing a naphthohydroquinone moiety, which consists of a benzene ring linearly fused to a bezene-1,4-dione (quinone).
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

14 results found

Lot NumberCertificate TypeDateItem
E2608030Certificate of AnalysisMay 12, 2026 N111090
F2602079Certificate of AnalysisMay 12, 2026 N111090
G2214281Certificate of AnalysisApr 07, 2026 N111090
H2522496Certificate of AnalysisAug 25, 2025 N111090
C2116226Certificate of AnalysisDec 09, 2024 N111090
C2116229Certificate of AnalysisDec 09, 2024 N111090
E2516482Certificate of AnalysisJul 22, 2024 N111090
C2026093Certificate of AnalysisJan 18, 2024 N111090
B2302441Certificate of AnalysisJun 02, 2022 N111090
F2520071Certificate of AnalysisJun 02, 2022 N111090
G2214265Certificate of AnalysisJun 02, 2022 N111090
G2214280Certificate of AnalysisJun 02, 2022 N111090
I2420014Certificate of AnalysisJun 02, 2022 N111090
J2311071Certificate of AnalysisJun 02, 2022 N111090

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Chemical and Physical Properties
SolubilitySoluble in water (~50 mg/ml), acetone (moderately), alcohol (slightly), and ethanol (slightly). Insoluble in chloroform.carbon disulfide: insoluble
Melt Point(°C)289°C
Molecular Weight260.200 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count5
Rotatable Bond Count1
Exact Mass259.976 Da
Monoisotopic Mass259.976 Da
Topological Polar Surface Area99.700 Ų
Heavy Atom Count17
Formal Charge0
Complexity473.000
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 Count2
Citations of This Product
References
1. Meng Du, Wei Chen, Chen Qian, Zhuo Chen, Guan-Lin Chen, Han-Qing Yu.  (2023)  Using Rayleigh Scattering to Correct the Inner Filter Effect of the Fluorescence Excitation–Emission Matrix.  ANALYTICAL CHEMISTRY,      [PMID:37556363] [10.1021/acs.analchem.3c01093]
2. Bo Gong, Wei Chen, Patrick H.-L. Sit, Xian-Wei Liu, Chen Qian, Han-Qing Yu.  (2023)  Multiple spectroscopic insights into the interaction mechanisms between proteins and humic acid.  WATER RESEARCH,      [PMID:37523922] [10.1016/j.watres.2023.120424]
3. Zhonghua Xue, Hui Wang, Honghong Rao, Nan He, Xiaofen Wang, Xiuhui Liu, Xiaoquan Lu.  (2017)  Amperometric indicator displacement assay for biomarker monitoring: Indirectly sensing strategy for electrochemically inactive sarcosine.  TALANTA,      [PMID:28340776] [10.1016/j.talanta.2017.03.009]
4. Ning Xia, Fengli Gao, Gang Liu, Yong Chang, Lin Liu.  (2024)  Pyrroloquinoline quinone exhibiting peroxidase-mimicking property for colorimetric assays.  ANALYTICA CHIMICA ACTA,      [PMID:39643317] [10.1016/j.aca.2024.343468]
5. Cheng-Ye Zhu, Zhao-Yu Ma, Yu-Ren Xue, Chao Zhang, Hao-Cheng Yang, Hong-Qing Liang, Zhi-Kang Xu.  (2025)  Engineering Vesicle-Like Polyamide Nanofiltration Membrane via Interfacial Polymerization on Shear-Triggered Nanoclay Hydrogel.  ADVANCED FUNCTIONAL MATERIALS,      [PMID:] [10.1002/adfm.202525686]
Solution Calculators
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