Naphthol Yellow S Hydrate

Basic Information

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CAS Number

846-70-8

Molecular Formula

C10H4N2Na2O8S

Molecular Weight

358.19 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

>300℃

SMILES

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[Na+].[Na+].[O-]C1=C(C=C(C2=CC=C(C=C12)S([O-])(=O)=O)[N+]([O-])=O)[N+]([O-])=O

InChI

1S/C10H6N2O8S.2Na/c13-10-7-3-5(21(18,19)20)1-2-6(7)8(11(14)15)4-9(10)12(16)17;;/h1-4,13H,(H,18,19,20);;/q;2*+1/p-2

InChIKey

CTIQLGJVGNGFEW-UHFFFAOYSA-L

LogP

3.83130

Complexity

519

Safety Information

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Hazard Statement

H317 May cause an allergic skin reaction
Sensitization, Skin

H373 Causes damage to organs through prolonged or repeated exposure
Specific target organ toxicity, repeated exposure

Stability

Stable. Incompatible with strong oxidizing agents.

Synonyms & References

English

Naphthol Yellow S
5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid, disodium salt
Acid Yellow 1
C.I. 10316~5,7-Dinitro-8-hydroxy-2-naphthalenesulphonic acid disodium salt~Flavianic acid disodium salt
Naphthol Yellow S sodium salt
naphthol yellow S (C.I. 10316)
disodium 5,7-dinitro-8-oxidonaphthalene-2-sulphonate
C.I. 10316
Acid yellow 1 (C.I. 10316)
Naphthol Yellow S Hydrate
Acid Yellow 1 Hydrate
2,4-Dinitro-1-naphthol-7-sulfonic Acid Disodium Salt Hydrate
Disodium 2,4-Dinitro-1-naphthol-7-sulfonate Hydrate
Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate Hydrate
Flavianic Acid Disodium Salt Hydrate
8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium Salt Hydrate
8-Hydroxy-5,7-dinitronaphthalene-2-sulfonic acid sodium salt
C.I. Acid Yellow 1
Ext. D&C Yellow No. 7
Naphthol Yellow
Sodium flavianate
Acid Yellow S
C.I. Food Yellow 1
Ext. D & C yellow no. 7
Amacid Yellow S
Paper Yellow L
Solar Yellow NY
Kiton Yellow S
Naphtol Yellow S
Calcocid Yellow S
Flavianic acid disodium salt

MDL Number

MFCD11100372

Customs Code

2904909090

FAQ

What regulatory guidelines apply to Naphthol Yellow S Hydrate (CAS: 846-70-8)?

Naphthol Yellow S Hydrate (CAS: 846-70-8) is regulated under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) for its potential health and environmental hazards. It is also subject to the European Union's Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) regulations. Additionally, the US Food and Drug Administration (FDA) and Environmental Protection Agency (EPA) have specific requirements regarding its use, storage, and disposal to ensure public and environmental safety.

Are there alternatives to Naphthol Yellow S Hydrate (CAS: 846-70-8) in synthesis?

Several alternatives to Naphthol Yellow S Hydrate (CAS: 846-70-8) exist in synthesis, including other yellow dyes such as Hansa Yellow and Lemon Yellow. These alternatives can offer similar color properties but with varying degrees of stability and chemical composition. In some cases, developers may opt for natural dyes or colorants to reduce environmental impact and improve product safety.

What is the market or research trend for Naphthol Yellow S Hydrate (CAS: 846-70-8)?

The market for Naphthol Yellow S Hydrate (CAS: 846-70-8) continues to show stability, driven by its wide application in the textile, printing, and plastic industries. Ongoing research focuses on developing more sustainable and eco-friendly alternatives. Additionally, trends indicate a growing interest in biocompatible and biodegradable materials, which may influence the future demand for Naphthol Yellow S Hydrate and similar compounds.

How should waste containing Naphthol Yellow S Hydrate (CAS: 846-70-8) be handled?

Waste containing Naphthol Yellow S Hydrate (CAS: 846-70-8) should be collected in appropriate containers and labeled with the correct hazard information. Incineration is a common method for waste disposal, but it must be conducted in a properly equipped facility to ensure complete combustion and minimize emissions. Alternatively, professional waste disposal services can handle the waste, ensuring compliance with local and international regulations. Environmental precautions include proper containment to prevent leaks and spills, and the use of personal protective equipment (PPE) by handlers.