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Poly[1-[4-(3-carboxy-4-hydroxyphenylazo)benzenesulfonamido]-1,2-ethanediyl, sodium salt]

聚[1-[4-(3-羧基-4-羟基苯基偶氮)苯磺酰氨基]乙烷二基,钠盐

Also known as: Poly[1-[4-(3-carboxy-4-hydroxyphenylazo)benzenesulfonamido]-1,2-ethanediyl, sodium salt] technical grade, 5-[[4-[(Ethenylamino)sulfonyl]phenyl]azo]-2-hydroxybenzoic acid monosodium salt, MFCD00084485, {-CH2CH[NHSO2C6H4N=NC6H3(OH)CO2Na]-}n

Poly[1-[4-(3-carboxy-4-hydroxyphenylazo)benzenesulfonamido]-1,2-ethanediyl, sodium salt] (CAS 219957-04-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula [-CH2CH[NHSO2C6H4N=NC6H3(OH)CO2Na]-]n and a molecular weight of 371.35 g/mol. It is also known as Poly[1-[4-(3-carboxy-4-hydroxyphenylazo)benzenesulfonamido]-1,2-ethanediyl, sodium salt] technical grade, 5-[[4-[(Ethenylamino)sulfonyl]phenyl]azo]-2-hydroxybenzoic acid monosodium salt and MFCD00084485. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
219957-04-7
Jingsj CID
J-51347-0
Molecular Formula
CH2CHNHSO2C6H4NNC6H3(OH)CO2Nan
Chinese Name
聚[1-[4-(3-羧基-4-羟基苯基偶氮)苯磺酰氨基]乙烷二基,钠盐
Molecular Weight
371.35 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Poly[1-[4-(3-carboxy-4-hydroxyphenylazo)benzenesulfonamido]-1,2-ethanediyl, sodium salt]?

The CAS number of Poly[1-[4-(3-carboxy-4-hydroxyphenylazo)benzenesulfonamido]-1,2-ethanediyl, sodium salt] is 219957-04-7.

What are the molecular formula and molecular weight of Poly[1-[4-(3-carboxy-4-hydroxyphenylazo)benzenesulfonamido]-1,2-ethanediyl, sodium salt]?

Poly[1-[4-(3-carboxy-4-hydroxyphenylazo)benzenesulfonamido]-1,2-ethanediyl, sodium salt] has molecular formula [-CH2CH[NHSO2C6H4N=NC6H3(OH)CO2Na]-]n and molecular weight 371.35 g/mol.

Is Poly[1-[4-(3-carboxy-4-hydroxyphenylazo)benzenesulfonamido]-1,2-ethanediyl, sodium salt] hazardous?

Poly[1-[4-(3-carboxy-4-hydroxyphenylazo)benzenesulfonamido]-1,2-ethanediyl, sodium salt] has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Poly[1-[4-(3-carboxy-4-hydroxyphenylazo)benzenesulfonamido]-1,2-ethanediyl, sodium salt] (CAS 219957-04-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-51347-0 (accessed 2026-10-24).

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