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2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt | CAS No. 6473-13-8

2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt

Basic Information

Chemical_Structure_Of
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CAS Number

6473-13-8

Molecular Formula

C44H32N13Na3O11S3

Molecular Weight

1084 g/mol

AD

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids
Basic Chemical Raw Materials Organic Chemicals Amines
Fine Chemicals Dyes and Pigments Organic Dyes
Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

>360°C

SMILES

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C1=CC(=CC=C1NC2=C(C=C(C=C2)N=NC3=C(C=C4C=CC(=CC4=C3O)N=NC5=C(C=C(C=C5)N)N)S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC6=C(C=C7C=CC(=CC7=C6O)N=NC8=C(C=C(C=C8)N)N)S(=O)(=O)[O-].[Na+].[Na+].[Na+]

InChI

InChI=1S/C44H35N13O11S3.3Na/c45-24-3-12-35(33(47)17-24)54-51-28-5-1-22-15-39(70(63,64)65)41(43(58)31(22)19-28)56-50-27-9-7-26(8-10-27)49-37-14-11-30(21-38(37)69(60,61)62)53-57-42-40(71(66,67)68)16-23-2-6-29(20-32(23)44(42)59)52-55-36-13-4-25(46)18-34(36)48;;;/h1-21,49,58-59H,45-48H2,(H,60,61,62)(H,63,64,65)(H,66,67,68);;;/q;3*+1/p-3

InChIKey

QTFHTNFVUCUDIR-UHFFFAOYSA-K

LogP

15.49070

Complexity

2220

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation
H319 Causes serious eye irritation
Serious eye damage/eye irritation
H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Synonyms & References

English

  • C.I. 35435
  • 2-Naphthalenesulfonic acid, 6-((2,4-diaminophenyl)azo)-3-((4-((4-((7-((2,4-diaminophenyl)azo)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)phenyl)amino)-3-sulfophenyl)azo)-4-hydroxy-, trisodium salt
  • 2-Naphthalenesulfonic acid, 6-((2,4-diaminophenyl)azo)-3-((4-((4-((7-((2,4-diaminophenyl)azo)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)phenyl)amino)-3-sulfophenyl)azo)-4-hydroxy-, sodium salt
  • C.I. Direct Black 22, sodium salt
  • W-110156
  • EINECS 280-246-5
  • 2-Naphthalenesulfonic acid, 6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt
  • AKOS025310834
  • Sodium 6-((2,4-diaminophenyl)diazenyl)-3-((4-((4-((7-((2,4-diaminophenyl)diazenyl)-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl)-2-sulfonatophenyl)amino)phenyl)diazenyl)-4-hydroxynaphthalene-2-sulfonate
  • EINECS 229-326-3
  • trisodium 6-[(E)-(2,4-diaminophenyl)diazenyl]-3-{(E)-[4-({4-[(E)-{7-[(E)-(2,4-diaminophenyl)diazenyl]-1-hydroxy-3-sulfonato-2-naphthyl}diazenyl]phenyl}amino)-3-sulfonatophenyl]diazenyl}-4-hydroxynaphthalene-2-sulfonate
  • DTXSID7027629
  • trisodium;6-[(2,4-diaminophenyl)diazenyl]-3-[[4-[4-[[7-[(2,4-diaminophenyl)diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]-2-sulfonatoanilino]phenyl]diazenyl]-4-hydroxynaphthalene-2-sulfonate
  • Trisodium 6-((2,4-diaminophenyl)azo)-3-((4-((4-((7-((2,4-diaminophenyl)azo)-1-hydroxy-3-sulphonato-2-naphthyl)azo)phenyl)amino)-3-sulphonatophenyl)azo)-4-hydroxynaphthalene-2-sulphonate
  • 2-Naphthalenesulfonic acid, 6-(2-(2,4-diaminophenyl)diazenyl)-3-(2-(4-((4-(2-(7-(2-(2,4-diaminophenyl)diazenyl)-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)phenyl)amino)-3-sulfophenyl)diazenyl)-4-hydroxy-, sodium salt (1:3)
  • MFCD00078136
  • Direct Black 22, tech.
  • C.I. DIRECT BLACK 22
  • CCRIS 1390
  • 6473-13-8
  • Direct Black 22
  • PONTAMINE FAST BLACK PGR C.I. 35435
  • trisodium,(3Z)-6-[(2,4-diaminophenyl)diazenyl]-3-[[4-[4-[(2Z)-2-[7-[(2,4-diaminophenyl)diazenyl]-1-oxo-3-sulfonatonaphthalen-2-ylidene]hydrazinyl]-2-sulfonatoanilino]phenyl]hydrazinylidene]-4-oxonapht
  • A-neurokinin
  • C.I. direct black 22
  • His-Lys-Thr-Asp-Ser-Phe-Val-Gly-Leu-Met-NH2
  • Hispamin Black CA
  • HKTDSFVGLM-NH2
  • neurokinin A
  • Neurokinin A [NKA]
  • NEUROKININ α

MDL Number

MFCD00078136

FAQ

What are the physical and chemical properties of 2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt (CAS: 6473-13-8)?
This compound is a trisodium salt of a complex azo dye with a molecular weight of approximately 1598.6 g/mol. It exists in a crystalline form, has good solubility in water, and exhibits high reactivity towards proton donors. It is typically used in analytical chemistry and dye chemistry applications due to its unique spectral properties.

How is 2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt (CAS: 6473-13-8) typically synthesized?
This compound is synthesized through multistep reactions involving diazotization, coupling, and salt formation steps. Commonly, it requires careful control of pH and temperature to ensure high selectivity and yield. Catalysts such as sodium hydroxide and other strong bases are used in the synthesis process.

What industries use 2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt (CAS: 6473-13-8)?
This compound is primarily used in the pharmaceutical and dye industries. It finds applications in the development of analytical reagents, drug intermediates, and organic dyes due to its unique spectral and chemical properties.

What precautions should be taken when handling 2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt (CAS: 6473-13-8)?
When handling this compound, it is crucial to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and lab coats. Use a fume hood to minimize inhalation risk. Spills should be handled with caution, and the appropriate spill cleanup procedures should be followed. Always refer to the safety data sheet (SDS) for detailed handling and disposal information.

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Supplier Information

2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt — TianMenHengChang Chemical Co Ltd

TianMenHengChang Chemical Co Ltd

CAS Number: 6473-13-8

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2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt — HuBeiShiShun Biotechnology Co Ltd

HuBeiShiShun Biotechnology Co Ltd

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HuBeiJuSheng Technology Co Ltd

CAS Number: 6473-13-8

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2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt — Shanghai Yuyeh Biotechnology Co., Ltd.

Shanghai Yuyeh Biotechnology Co., Ltd.

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JuShengHuaXueYanJiuYuan

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HuBeiXinKangYaoHuaYouXianGongSiHuaXueYanJiuSuo

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HuBeiXinKangYiYao Chemical Co Ltd

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Hubei Tuopan Chemical Co., Ltd.

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Shanghai Jieshukai Biotechnology Co., Ltd.

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2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt — HuBeiYongKuo Technology Co Ltd

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2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt — HuBeiMoDe Chemical Co Ltd

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