Tetrasodium 4-amino-3-((4-(2-(4-((2,4-diaminophenyl)azo)-2-sulphonatophenyl)vinyl)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate
Also known as: 4-Amino-3-[[4-[2-[4-[(2,4-diaminophenyl)azo]-2-(sodiooxysulfonyl)phenyl]ethenyl]-3-(sodiooxysulfonyl)phenyl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt, C.I. Direct black 159, Kayafect black S, tetrasodium 4-amino-3-[[4-[2-[4-[(2,4-diaminophenyl)azo]-2-sulphonatophenyl]vinyl]-3-sulphonatophenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate
Tetrasodium 4-amino-3-((4-(2-(4-((2,4-diaminophenyl)azo)-2-sulphonatophenyl)vinyl)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate (CAS 51473-76-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C36H25N9Na4O13S4 and a molecular weight of 1011.9 g/mol. It is also known as 4-Amino-3-[[4-[2-[4-[(2,4-diaminophenyl)azo]-2-(sodiooxysulfonyl)phenyl]ethenyl]-3-(sodiooxysulfonyl)phenyl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt, C.I. Direct black 159 and Kayafect black S. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51473-76-8
- Jingsj CID
- J-1745289-6
- Molecular Formula
- C36H25N9Na4O13S4
- Molecular Weight
- 1011.9 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of Tetrasodium 4-amino-3-((4-(2-(4-((2,4-diaminophenyl)azo)-2-sulphonatophenyl)vinyl)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate?
The CAS number of Tetrasodium 4-amino-3-((4-(2-(4-((2,4-diaminophenyl)azo)-2-sulphonatophenyl)vinyl)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate is 51473-76-8.
What are the molecular formula and molecular weight of Tetrasodium 4-amino-3-((4-(2-(4-((2,4-diaminophenyl)azo)-2-sulphonatophenyl)vinyl)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate?
Tetrasodium 4-amino-3-((4-(2-(4-((2,4-diaminophenyl)azo)-2-sulphonatophenyl)vinyl)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate has molecular formula C36H25N9Na4O13S4 and molecular weight 1011.9 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrasodium 4-amino-3-((4-(2-(4-((2,4-diaminophenyl)azo)-2-sulphonatophenyl)vinyl)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate (CAS 51473-76-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1745289-6 (accessed 2026-10-25).
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