Cas no 2347-72-0 (2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2))
2-Naphthalenesulfonic acid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) is a water-soluble azo dye intermediate with strong sulfonic acid groups, enhancing its solubility and stability in aqueous solutions. Its disodium salt form improves handling and compatibility in industrial applications. The compound’s structure, featuring a naphthalene backbone and a diazenyl linkage, makes it suitable for use as a precursor in dye synthesis, particularly for acid and reactive dyes. The presence of hydroxyl and sulfonate groups contributes to its affinity for substrates like textiles and paper. Its consistent purity and reactivity ensure reliable performance in synthetic processes, meeting stringent industrial standards.
![2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) structure](https://ossimg.kuujia.com/scimg/2500/2347-72-0x500.png)
2347-72-0 structure
Product Name:2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2)
CAS No:2347-72-0
MF:C16H10N2Na2O7S2
MW:452.369343280792
MDL:MFCD27963387
CID:265464
Update Time:2026-05-14
2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) Chemical and Physical Properties
Names and Identifiers
-
- 2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2)
- CI15980
- 2-Naphthalenesulfonic acid, 6-hydroxy-5-((3-sulfophenyl)azo)-, disodium salt
- 6-Hydroxy-5-((3-sulfophenyl)azo)-2-naphthalenesulfonic acid, disodium salt
- disodium (5E)-6-oxo-5-[(3-sulfonatophenyl)hydrazono]-5,6-dihydronaphthalene-2-sulfonate
- Disodium 6-hydroxy-5-((3-sulfophenyl)azo)-2-naphthalenesulfonate
- Disodium 6-hydroxy-5-((3-sulphonatophenyl)azo)naphthalene-2-sulphonate
- E 111
- Food orange 2
-
- MDL： MFCD27963387
- Inchi： InChI=1S/C16H12N2O7S2.2Na/c19-15-7-4-10-8-13(27(23,24)25)5-6-14(10)16(15)18-17-11-2-1-3-12(9-11)26(20,21)22;;/h1-9,17H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2/b18-16-;;
- InChI Key： FABGVTFMFVQCBO-KZYDBBBVSA-L
- SMILES： [Na+].[Na+].O=S(C1=CC=CC(N/N=C2\C(=O)C=CC3C=C(S([O-])(=O)=O)C=CC\2=3)=C1)(=O)[O-]
Computed Properties
- Exact Mass: 451.9726
Experimental Properties
- PSA: 159.35
2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) Pricemore >>
| Related Categories | No. | Product Name | Cas No. | Purity | Specification | Price | update time | Inquiry |
|---|---|---|---|---|---|---|---|---|
| SHANG HAI JI ZHI SHENG HUA Technology Co., Ltd. | N53390-5g |
Food orange 2 |
2347-72-0 | 5g |
￥238.0 | 2021-09-08 | ||
| eNovation Chemicals LLC | D626826-5g |
2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) |
2347-72-0 | BR | 5g |
$200 | 2024-05-24 | |
| SHENG KE LU SI SHENG WU JI SHU | sc-396944-5 mg |
Orange GGN, |
2347-72-0 | 5mg |
￥1,128.00 | 2023-07-10 | ||
| eNovation Chemicals LLC | D626826-10g |
2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) |
2347-72-0 | BR | 10g |
$280 | 2024-05-24 | |
| eNovation Chemicals LLC | D626826-25g |
2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) |
2347-72-0 | BR | 25g |
$480 | 2024-05-24 | |
| eNovation Chemicals LLC | D626826-50g |
2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) |
2347-72-0 | BR | 50g |
$750 | 2024-05-24 | |
| eNovation Chemicals LLC | D626826-100g |
2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) |
2347-72-0 | BR | 100g |
$1200 | 2024-05-24 | |
| eNovation Chemicals LLC | D626826-200g |
2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) |
2347-72-0 | BR | 200g |
$1990 | 2024-05-24 | |
| eNovation Chemicals LLC | D626826-250g |
2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) |
2347-72-0 | BR | 250g |
$2480 | 2024-05-24 | |
| eNovation Chemicals LLC | D626826-500g |
2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) |
2347-72-0 | BR | 500g |
$3900 | 2024-05-24 |
2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(3-sulfophenyl)diazenyl]-, sodium salt (1:2) Related Literature
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C. H. Munro,W. E. Smith,P. C. White Analyst 1995 120 993
-
2. Diffusion of acid ions in keratin. Part 2.—Mobility and chemical diffusion coefficients of dye acidsJ. A. Medley Trans. Faraday Soc. 1964 60 1010
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Peter C. White,Timothy Catterick Analyst 1990 115 919
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