Cas no 3771-14-0 (2-Naphthalenesulfonicacid, 4-hydroxy-)

2-Naphthalenesulfonic acid, 4-hydroxy-, is a sulfonated aromatic compound featuring a hydroxyl group at the 4-position of the naphthalene ring. This structure imparts solubility in polar solvents and reactivity suitable for applications in dye synthesis, surfactants, and chemical intermediates. The sulfonic acid group enhances water solubility and ionic character, while the hydroxyl group provides a site for further functionalization, such as esterification or etherification. Its balanced hydrophilicity and aromatic stability make it useful in formulations requiring controlled solubility or as a precursor in fine chemical synthesis. The compound is typically handled with standard precautions for sulfonic acids, including proper ventilation and protective equipment.
2-Naphthalenesulfonicacid, 4-hydroxy- structure
3771-14-0 structure
Product Name:2-Naphthalenesulfonicacid, 4-hydroxy-
CAS No:3771-14-0
MF:C10H8O4S
MW:224.233121871948
CID:315471
PubChem ID:77389
Update Time:2025-05-26

2-Naphthalenesulfonicacid, 4-hydroxy- Chemical and Physical Properties

Names and Identifiers

    • 2-Naphthalenesulfonicacid, 4-hydroxy-
    • 4-hydroxynaphthalene-2-sulfonic acid
    • 1-Hydroxy-3-naphthalenesulfonic acid
    • 1-Naphthol,3-sulfo
    • 1-naphthol-3-sulfonic acid
    • 2-Naphthalenesulfonic acid,4-hydroxy
    • 4-Hydroxy-2-naphthalenesulfonic acid
    • 4-hydroxy-naphthalene-2-sulfonic acid
    • 4-hydroxynaphthalene-2-sulphonic acid
    • 4-Hydroxy-naphthalin-2-sulfonsaeure
    • 6-sulfo-8-hydroxy-naphthalene radical
    • 4-Hydroxynaphthalene-2-sulfonicacid
    • SCHEMBL589899
    • HKWPUUYEGGDLJF-UHFFFAOYSA-N
    • NSC 37039
    • AKOS005444191
    • SY261689
    • 2-Naphthalenesulfonic acid, 4-hydroxy-
    • DTXSID2063181
    • D96388
    • 3771-14-0
    • EINECS 223-212-7
    • NSC-37039
    • MFCD00021505
    • NS00045872
    • 1-Naphthol, 3-sulfo-
    • NSC37039
    • STK366967
    • DTXCID1039397
    • DS-013497
    • Inchi： 1S/C10H8O4S/c11-10-6-8(15(12,13)14)5-7-3-1-2-4-9(7)10/h1-6,11H,(H,12,13,14)
    • InChI Key： HKWPUUYEGGDLJF-UHFFFAOYSA-N
    • SMILES： S(C1C=C(C2C=CC=CC=2C=1)O)(=O)(=O)O

Computed Properties

  • Exact Mass: 224.01400
  • Monoisotopic Mass: 224.01432991g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 15
  • Rotatable Bond Count: 1
  • Complexity: 319
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: -0.2
  • Topological Polar Surface Area: 83?2

Experimental Properties

  • PSA: 82.98000
  • LogP: 2.87290

2-Naphthalenesulfonicacid, 4-hydroxy- Customs Data

  • HS CODE：2908999090
  • Customs Data：

    China Customs Code:

    2908999090

    Overview:

    2908999090 Halogenated derivatives of other phenols and phenolic alcohols(Including its sulfonation\Nitrosative or nitrosative derivatives). VAT:17.0% Tax refund rate:9.0% Regulatory conditions:nothing MFN tariff:5.5% general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2908999090 halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols.Supervision conditions:None.VAT:17.0%.Tax rebate rate:9.0%.MFN tariff:5.5%.General tariff:30.0%

2-Naphthalenesulfonicacid, 4-hydroxy- Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
SHANG HAI MAI KE LIN SHENG HUA Technology Co., Ltd.
H909080-5g
4-Hydroxynaphthalene-2-sulfonic acid
 3771-14-0 95%
5g
 1,258.20 2021-05-17
eNovation Chemicals LLC
Y1297704-5g
4-Hydroxy-2-naphthalenesulfonic acid
 3771-14-0 95%
5g
 $855 2025-02-19
eNovation Chemicals LLC
Y1297704-10g
4-Hydroxy-2-naphthalenesulfonic acid
 3771-14-0 95%
10g
 $1450 2025-02-19
eNovation Chemicals LLC
Y1297704-100g
4-Hydroxy-2-naphthalenesulfonic acid
 3771-14-0 95%
100g
 $4580 2025-02-19
1PlusChem
1P00CIH2-100mg
4-hydroxynaphthalene-2-sulphonic acid
 3771-14-0 98%
100mg
 $31.00 2024-05-04
1PlusChem
1P00CIH2-250mg
4-hydroxynaphthalene-2-sulphonic acid
 3771-14-0 98%
250mg
 $38.00 2024-05-04
1PlusChem
1P00CIH2-10g
4-hydroxynaphthalene-2-sulphonic acid
 3771-14-0 98%
10g
 $288.00 2024-05-04
eNovation Chemicals LLC
Y1297704-5g
4-Hydroxy-2-naphthalenesulfonic acid
 3771-14-0 95%
5g
 $855 2025-02-21
eNovation Chemicals LLC
Y1297704-10g
4-Hydroxy-2-naphthalenesulfonic acid
 3771-14-0 95%
10g
 $1450 2025-02-21
eNovation Chemicals LLC
Y1297704-100g
4-Hydroxy-2-naphthalenesulfonic acid
 3771-14-0 95%
100g
 $4580 2025-02-21

2-Naphthalenesulfonicacid, 4-hydroxy- Related Literature

Additional information on 2-Naphthalenesulfonicacid, 4-hydroxy-

2-Naphthalenesulfonic acid, 4-hydroxy- (CAS No. 3771-14-0): Properties, Applications, and Industry Insights

The chemical compound 2-Naphthalenesulfonic acid, 4-hydroxy- (CAS No. 3771-14-0) is a sulfonated naphthalene derivative with significant industrial and research applications. Known for its unique molecular structure, this compound features a hydroxyl group at the 4-position and a sulfonic acid group attached to the naphthalene ring. Its chemical formula is C10H8O4S, and it is widely recognized for its role in dyes, surfactants, and specialty chemicals.

In recent years, the demand for 4-hydroxy-2-naphthalenesulfonic acid has grown due to its versatility in organic synthesis and material science. Researchers and manufacturers frequently search for terms like "2-Naphthalenesulfonic acid uses", "CAS 3771-14-0 solubility", and "4-hydroxy naphthalene sulfonate derivatives", reflecting its relevance in modern chemistry. This article explores its properties, applications, and emerging trends in a format optimized for SEO and readability.

Physical and Chemical Properties: The compound typically appears as a white to off-white crystalline powder. It exhibits moderate solubility in water and polar organic solvents, making it suitable for aqueous and non-aqueous systems. Key properties include its acidic nature (pKa ~1–2) and stability under standard conditions. Its UV absorption characteristics are also noteworthy, enabling applications in photochemical studies.

Industrial Applications: 2-Naphthalenesulfonic acid, 4-hydroxy- is a key intermediate in the production of azo dyes and pigments. Its sulfonic acid group enhances water solubility, which is critical for textile dyeing processes. Additionally, it serves as a corrosion inhibitor in cooling systems and as a dispersing agent in ceramics and coatings. Recent studies highlight its potential in green chemistry initiatives, where its biodegradability and low toxicity are valued.

Research and Innovations: Scientists are exploring novel applications, such as its use in organic electronics and pharmaceutical intermediates. For instance, its derivatives are investigated for fluorescent probes and sensor materials. Searches like "CAS 3771-14-0 in drug synthesis" or "naphthalenesulfonic acid in nanotechnology" underscore its expanding role in cutting-edge fields.

Environmental and Safety Considerations: While 4-hydroxy-2-naphthalenesulfonic acid is generally regarded as safe for industrial use, proper handling guidelines should be followed. Its biodegradability and eco-friendly profile align with global trends toward sustainable chemistry, addressing queries like "green alternatives to sulfonated compounds".

Market Trends: The compound's market is driven by the textile, construction, and electronics sectors. Analysts note rising interest in high-purity grades for specialized applications, reflecting searches such as "where to buy CAS 3771-14-0" and "2-Naphthalenesulfonic acid suppliers".

In summary, 2-Naphthalenesulfonic acid, 4-hydroxy- (CAS No. 3771-14-0) is a multifaceted compound with enduring industrial importance and promising innovations. Its adaptability to evolving scientific and environmental demands ensures its continued relevance.

3771-14-0 (2-Naphthalenesulfonicacid, 4-hydroxy-) Related Products

Recommended suppliers
Suzhou Genelee Bio-Technology Co., Ltd.
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Bulk
Suzhou Genelee Bio-Technology Co., Ltd.
HANGZHOU BAIS CHEMICAL TECHNOLOGY CO., LTD.
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Reagent
HANGZHOU BAIS CHEMICAL TECHNOLOGY CO., LTD.
Zhengzhou Baoyu Pharmaceutical Co., Ltd.
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Bulk
Zhengzhou Baoyu Pharmaceutical Co., Ltd.
Nantong Boya Environmental Protection Technology Co., Ltd
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Bulk
Nantong Boya Environmental Protection Technology Co., Ltd
Shenzhen Jianxing Pharmaceutical Technology Co., Ltd.
Gold Member
Audited Supplier Audited Supplier
CN Supplier
Reagent
Shenzhen Jianxing Pharmaceutical Technology Co., Ltd.