Direct Red 23 | CAS No. 3441-14-3

Direct Red 23

Basic Information

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CAS Number

3441-14-3

Molecular Formula

C35H25N7Na2O10S2

Molecular Weight

813.72 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ketones

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Boiling Point

°Cat760mmHg

Refractive Index

1.745

SMILES

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O=C(Nc1ccc2c(c1)C=C(C(=NNc1ccccc1)C2=O)S(=O)(=O)[O-])NC1=CC(=O)C2=CC(=NNc3ccc(cc3)NC(=O)C)C(=CC2=C1)S(=O)(=O)[O-].[Na+].[Na+]

InChI

1S/C35H27N7O10S2.2Na/c1-19(43)36-22-7-9-24(10-8-22)40-42-32-30(54(50,51)52)18-21-16-26(12-14-28(21)34(32)45)38-35(46)37-25-11-13-27-20(15-25)17-29(53(47,48)49)31(33(27)44)41-39-23-5-3-2-4-6-23;;/h2-18,44-45H,1H3,(H,36,43)(H2,37,38,46)(H,47,48,49)(H,50,51,52);;/q;2*+1/p-2

InChIKey

NLMHXPDMNXMQBY-UHFFFAOYSA-L

LogP

10.02620

Complexity

1780

Synonyms & References

English

direct red 23 (C.I. 29160)
Direct Red 23
Scarlet 4BS
Direct Fast Scarlet 4BS
Directred4BS
disodiumsa
disodiumsal
fastred4bs
polycorredse
redemb
redembl
C.I. 29160
Disodium 3-[(4-acetamidophenyl)azo]-4-hydroxy-7-[[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]amino]naphthalene-2-sulphonate

MDL Number

MFCD00003946

FAQ

What regulatory guidelines apply to Direct Red 23 (CAS: 3441-14-3)?

Direct Red 23 (CAS: 3441-14-3) is classified as a hazardous dye under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS). It must comply with REACH regulations in the EU, which require registration of substances above 1 tonne per year. In the US, the Environmental Protection Agency (EPA) and the Food and Drug Administration (FDA) have specific labeling and reporting requirements for dyes and pigments. Producers and distributors must ensure compliance with these regulations to avoid legal and environmental penalties.

Are there alternatives to Direct Red 23 (CAS: 3441-14-3) in synthesis?

There are several alternatives to Direct Red 23 (CAS: 3441-14-3) in synthesis, including other azo dyes and miscellaneous organic pigments. Common alternatives include C.I. Direct Red 80 and C.I. Direct Red 29, which offer similar color properties but may have different chemical structures and reactivity. Researchers should consider the specific application and environmental impact when choosing an alternative.

What is the market or research trend for Direct Red 23 (CAS: 3441-14-3)?

The market for Direct Red 23 (CAS: 3441-14-3) is stable, with a focus on sustainability and environmental compliance. Recent research trends include the development of bio-based dyes as alternatives to synthetic dyes. These bio-based dyes are derived from renewable resources and have lower environmental impact. Additionally, there is growing interest in water-soluble direct dyes that offer improved light and washing fastness. These trends reflect a shift towards more eco-friendly and sustainable dyeing practices in the textile and paper industries.

How should waste containing Direct Red 23 (CAS: 3441-14-3) be handled?

Waste containing Direct Red 23 (CAS: 3441-14-3) should be collected and disposed of in accordance with local and national regulations. Proper waste management involves segregating hazardous waste from non-hazardous waste and ensuring that it is handled by licensed waste disposal facilities. Incineration is a common method for disposal, provided that it is conducted under controlled conditions to minimize environmental impact. Additionally, neutralization of acidic or alkaline waste before disposal can help prevent environmental contamination. Proper disposal should be conducted with careful consideration of health and safety guidelines to protect personnel and the environment.