Sodium 6,7-Dihydroxynaphthalene-2-sulfonate , >98.0%(HPLC) , 135-53-5

CAS NO.：135-53-5

Empirical Formula: C10H7NaO5S

Molecular Weight: 262.21

MDL number: MFCD00004074

EINECS: 205-198-4

PRODUCT Properties

• storage temp.: Inert atmosphere,Room Temperature
• form: powder to crystal
• color: White to Light yellow to Light orange
• Water Solubility: almost transparency
• InChI: InChI=1S/C10H8O5S.Na/c11-9-4-6-1-2-8(16(13,14)15)3-7(6)5-10(9)12;/h1-5,11-12H,(H,13,14,15);/q;+1/p-1
• InChIKey: JFXDYPLHFRYDJD-UHFFFAOYSA-M
• SMILES: C12=CC(=C(O)C=C1C=CC(S([O-])(=O)=O)=C2)O.[Na+]
• CAS DataBase Reference: 135-53-5(CAS DataBase Reference)
• EPA Substance Registry System: 2-Naphthalenesulfonic acid, 6,7-dihydroxy-, monosodium salt (135-53-5)

Description and Uses

2,3-dihydroxynaphthalene-6-sulfonic acid sodium salt (Sodium 2,3-dihydroxynaphthalene-6-sulfonate) is a useful dispersant comprises the sodium salt (R = Na+). Sodium 2,3-dihydroxynaphthalene-6-sulfonate, used as a coupler in diazo photosensitive paper, is commercially available under the trade name "Dihydroxy R Salt" or "DHR".

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H319
• Precautionary statements: P264-P280-P305+P351+P338+P337+P313
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• HS Code: 2904100090