QUALITÉ & PURETÉAR?Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results.
Synonyms
sodium;6-[(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate|sodium (E)-6-((2-hydroxynaphthalen-1-yl)diazenyl)naphthalene-1-sulfonate|Acid Red 9 ,|Silk Scarlet|1-Naphthalenesulfonic acid, 6-((2-hydroxy-1-naphthalenyl)azo)-, monosodium salt, mixt. with 7-((2-hydroxy-1-naphthalenyl)azo)-1-naphthalenesulfonic acid monosodium salt|6-((2-Hydroxy-1-naphthalenyl)azo)-1-naphthalenesulfonic acid monosodium salt, mixt. with 7-((2-hydroxy-1-naphthalenyl)azo)-1-naphthalenesulfonic acid monosodium salt
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Foire aux questions
What does AR mean?
AR is a defined analytical purity tier suitable for general analytical and reagent applications. It specifies a minimum assay percentage, controlled limits on common impurities (water, heavy metals, residue on ignition), and lot-to-lot consistency. AR is one of several purity tiers — choose based on the sensitivity and regulatory requirements of your method.
How should this product be stored?
Store at room temperature.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 8003-59-6, the molecular formula is C20H13N2NaO4S, and the molecular weight is 400.38 g/mol. InChIKey GETWKXDZCSCODM-UHFFFAOYSA-M.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.
Notre guide de sélection des qualités couvre la pureté, le statut du stabilisant et l'adéquation à l'application pour toutes les variantes de notre catalogue.
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