Description

Sodium naphthalene-1-sulfinate (CAS: 64326-13-2) is a high-purity organic sulfinate compound with the molecular formula C₁₀H₇NaO₂S. This white to off-white crystalline powder is widely used in chemical synthesis, pharmaceutical research, and material science due to its excellent reactivity as a sulfinating agent. It is highly soluble in water and polar organic solvents, making it a versatile intermediate for nucleophilic reactions, polymerization initiators, and functional group transformations. Packaged under inert conditions to ensure stability, this reagent is ideal for laboratory and industrial applications requiring precise sulfinate chemistry. Available in various quantities with >98% purity, as confirmed by HPLC and NMR analysis.

Properties

• CAS Number: 64326-13-2
• Complexity: 210
• IUPAC Name: sodium;naphthalene-1-sulfinate
• InChI: InChI=1S/C10H8O2S.Na/c11-13(12)10-7-3-5-8-4-1-2-6-9(8)10;/h1-7H,(H,11,12);/q;+1/p-1
• InChI Key: UOOVFPYJUPSROO-UHFFFAOYSA-M
• Exact Mass: 214.00644492
• Molecular Formula: C10H7NaO2S
• Molecular Weight: 214.22
• SMILES: C1=CC=C2C(=C1)C=CC=C2S(=O)[O-].[Na+]
• Topological: 59.3
• Monoisotopic Mass: 214.00644492
• Synonyms: Sodium Naphthalene-1-sulfinate, 64326-13-2, 838-302-7, SODIUMNAPHTHIONATE, sodium;naphthalene-1-sulfinate, sodium naphthalenesulfinate, sodium 1-naphthylsulfinate, sodium 1-naphthalenesulfinate, SodiumNaphthalene-1-sulfinate, SCHEMBL1583760, UOOVFPYJUPSROO-UHFFFAOYSA-M, PCA32613, MFCD24113320, AS-83194, CS-0437924, E84363, EN300-697461

Sodium naphthalene-1-sulfinate serves as a key reagent in the synthesis of sulfonated polymers and pharmaceuticals. It is commonly employed as a sulfinating agent in nucleophilic aromatic substitution reactions and as a precursor for photoinitiators in polymerization processes. Researchers also utilize it in electrochemical applications and as a building block for advanced organic materials.

Safety and Hazards

GHS Hazard Statements

• H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (100%)
• Skin Irrit. 2 (100%)
• Eye Irrit. 2A (100%)
• STOT SE 3 (100%)

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