Naphthol AS-MX phosphate

萘酚AS-MX磷酸盐

Also known as: N-(2,4-dimethylphenyl)-3-(phosphonooxy)-2-naphthalenecarboxamide, 3-(phosphonooxy)-N-(2,4-xylyl)naphthalene-2-carboxamide, 3-Phosphonooxy-N-(2,4-dimethylphenyl)-2-naphthalenecarboxamide, Naphthol AS-MX phosphoric acid, Phosphoric acid O-[3-[(2,4-dimethylphenyl)aminocarbonyl]naphthalen-2-yl] ester, [3-[(2,4-dimethylphenyl)carbamoyl]naphthalen-2-yl] dihydrogen phosphate

Naphthol AS-MX phosphate (CAS 1596-56-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H18NO5P and a molecular weight of 371.32400 g/mol. It is also known as N-(2,4-dimethylphenyl)-3-(phosphonooxy)-2-naphthalenecarboxamide, 3-(phosphonooxy)-N-(2,4-xylyl)naphthalene-2-carboxamide and 3-Phosphonooxy-N-(2,4-dimethylphenyl)-2-naphthalenecarboxamide. Key properties include a melting point of 189-190ºC and a density of 1.419 g/cm3. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1596-56-1

Jingsj CID

J-25097-3

Molecular Formula

C₁₉H₁₈NO₅P

Chinese Name

萘酚AS-MX磷酸盐

Molecular Weight

371.32400 g/mol

Category

Organic Acids

Last updated

8/21/2026