Jingsj
.mol.sdf

disodium 2-[[1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate

弱酸性嫩黄 E-GNL

Also known as: Acid Yellow E-GNL, Acid yellow 19, C.I. Acid Yellow 19, C.I.18967, Aminyl Yellow E-GNL, Nylosan Yellow E-GRL, Triacid Fast Yellow GRL, Mitsui Acid Fast Yellow GR, Covalene Yellow RCP, Supranylite Yellow R, disodium 2-[[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonate

disodium 2-[[1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate (CAS 12220-64-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H12Cl2N4Na2O7S2 and a molecular weight of 601.34700 g/mol. It is also known as Acid Yellow E-GNL, Acid yellow 19 and C.I. Acid Yellow 19. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
12220-64-3
Jingsj CID
J-1343188-8
Molecular Formula
C20H12Cl2N4Na2O7S2
Chinese Name
弱酸性嫩黄 E-GNL
Molecular Weight
601.34700 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of disodium 2-[[1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate?

The CAS number of disodium 2-[[1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate is 12220-64-3.

What are the molecular formula and molecular weight of disodium 2-[[1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate?

disodium 2-[[1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate has molecular formula C20H12Cl2N4Na2O7S2 and molecular weight 601.34700 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "disodium 2-[[1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate (CAS 12220-64-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1343188-8 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.