1,5-Naphthalenedisulfonic acid tetrahydrate - ≥97% , CAS No.211366-30-2

CAS: 211366-30-2 Cat. No.: N105697 Molecular Weight: 360.36 Beilstein Registry Number: 11212 EC Number: 678-302-2
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
1,5-Naphthalenedisulfonic acid, hydrate (1:4) | Naphthalene-1,5-disulfonic acid--water (1/4) | 1,5-Naphthalenedisulfonic acid, tetrahydrate | J-013873 | ZLBLYGIIADHDKG-UHFFFAOYSA-N | 1,5-naphthalenedisulphonic acid tetrahydrate | E76676 | 1,5-Naphthalened
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
N105697-25g
4

$12.90

$19.90
Save $7.00 (35.18%)
100g
N105697-100g
4

$38.90

$58.90
Save $20.00 (33.96%)
250g
N105697-250g
4

$85.90

$128.90
Save $43.00 (33.36%)
500g
N105697-500g
1

$116.90

$175.90
Save $59.00 (33.54%)
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Why this grade

≥97% 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
1, 5-Naphthalenedisulfonic acid, hydrate (1:4) | Naphthalene-1, 5-disulfonic acid--water (1/4) | 1, 5-Naphthalenedisulfonic acid, tetrahydrate | J-013873 | ZLBLYGIIADHDKG-UHFFFAOYSA-N | 1, 5-naphthalenedisulphonic acid tetrahydrate | E76676 | 1, 5-Naphthalened
Specifications & Purity
≥97%
Storage
Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid488201559
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488201559
Canonical SmilesC1=CC2=C(C=CC=C2S(=O)(=O)O)C(=C1)S(=O)(=O)O.O.O.O.O
IUPAC Namenaphthalene-1,5-disulfonic acid;tetrahydrate
InChIKeyZLBLYGIIADHDKG-UHFFFAOYSA-N
INCHI1S/C10H8O6S2.4H2O/c11-17(12,13)9-5-1-3-7-8(9)4-2-6-10(7)18(14,15)16;;;;/h1-6H,(H,11,12,13)(H,14,15,16);4*1H2
Isomeric SMILES C1=CC2=C(C=CC=C2S(=O)(=O)O)C(=C1)S(=O)(=O)O.O.O.O.O
WGK Germany 3
UN Number 2585
Molecular Weight 360.36
Beilstein 11212
Reaxy-Rn 13669083
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=13669083&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
SubclassNaphthalene sulfonic acids and derivatives
Intermediate Tree Nodes Naphthalene sulfonates
Direct Parent1-naphthalene sulfonates
Alternative Parents 1-naphthalene sulfonic acids and derivatives  1-sulfo,2-unsubstituted aromatic compounds  Sulfonyls  Organosulfonic acids  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents 1-naphthalene sulfonate - 1-naphthalene sulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Arylsulfonic acid or derivatives - Sulfonyl - Organosulfonic acid - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Aromatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 1-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 1-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
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.

14 results found

Lot NumberCertificate TypeDateItem
A2208170Certificate of AnalysisOct 13, 2025 N105697
A2208194Certificate of AnalysisOct 13, 2025 N105697
F2115250Certificate of AnalysisMar 04, 2025 N105697
E1216005Certificate of AnalysisMar 08, 2024 N105697
E2325557Certificate of AnalysisApr 14, 2023 N105697
E2325572Certificate of AnalysisApr 14, 2023 N105697
E2325575Certificate of AnalysisApr 14, 2023 N105697
E2325579Certificate of AnalysisApr 14, 2023 N105697
B23221027Certificate of AnalysisJan 13, 2023 N105697
B23221032Certificate of AnalysisJan 13, 2023 N105697
B23221033Certificate of AnalysisJan 13, 2023 N105697
B23221046Certificate of AnalysisJan 13, 2023 N105697
B23221047Certificate of AnalysisJan 13, 2023 N105697
B23221087Certificate of AnalysisJan 13, 2023 N105697

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Chemical and Physical Properties
SolubilitySoluble in water
Melt Point(°C)163.3°C
Molecular Weight360.400 g/mol
XLogP3
Hydrogen Bond Donor Count6
Hydrogen Bond Acceptor Count10
Rotatable Bond Count2
Exact Mass360.018 Da
Monoisotopic Mass360.018 Da
Topological Polar Surface Area130.000 Ų
Heavy Atom Count22
Formal Charge0
Complexity449.000
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 Count5
Citations of This Product
References
1. Wenmin Li, Tingting Xu, Fangmeng Sheng, Yue Wang, Yifan Li, Yuan Xia, Bin Wu, Xingya Li, Tongwen Xu.  (2024)  UiO-66 membranes with confined naphthalene disulfonic acid for selective monovalent ion separation.  JOURNAL OF MEMBRANE SCIENCE,      [PMID:] [10.1016/j.memsci.2024.122829]
2. Guowei Chen, Yang He, Shen Xiang, Yiping Zhao, Li Chen.  (2026)  Marangoni-driven assembly of HOF-PDMS composite membranes with enhanced CO2/O2 separation performance.  CHEMICAL ENGINEERING SCIENCE,      [PMID:] [10.1016/j.ces.2026.124180]
Solution Calculators
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