Acid Red 8
酸性红8
Also known as: C.I. Acid Red 8, C.I. Acid Red 8, disodium salt, CI 14900, 2,7-Naphthalenedisulfonic acid, 3-[(2,4-dimethylphenyl)azo]-4-hydroxy-, disodium salt, disodium 3-((2,4-dimethylphenyl)azo)-4-hydroxynaphthalene-2,7-disulphonate, disodium,(3Z)-3-[(2,4-dimethylphenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate, Brilliant Cochineal 2R, Brilliant Cochineal 4R, Brilliant Cochineal PSA, Brilliant Tertracid Scarlet PA, Scarlet A, Solar Fast Scarlet PA, Sumitomo Fast Scarlet A, Wool Brilliant Scarlet N, EINECS 225-337-2
Acid Red 8 (CAS 4787-93-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H14N2Na2O7S2 and a molecular weight of 480.42300 g/mol. It is also known as C.I. Acid Red 8, C.I. Acid Red 8, disodium salt and CI 14900. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4787-93-3
- Jingsj CID
- J-23540-4
- Molecular Formula
- C18H14N2Na2O7S2
- Chinese Name
- 酸性红8
- Molecular Weight
- 480.42300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of Acid Red 8?
The CAS number of Acid Red 8 is 4787-93-3.
What are the molecular formula and molecular weight of Acid Red 8?
Acid Red 8 has molecular formula C18H14N2Na2O7S2 and molecular weight 480.42300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Acid Red 8 (CAS 4787-93-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23540-4 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.