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Naphthol AS phosphate

Also known as: 2-Naphthalenecarboxamide,N-phenyl-3-(phosphonooxy)-, 2-Naphthanilide,3-hydroxy-, dihydrogen phosphate (ester), N-Phenyl-3-(phosphonooxy)naphthalene-2-carboxamide, 3-Hydroxy-2-naphthanilide phosphate, Naphthol AS phosphate free acid, 2-HYDROXY-3-NAPHTHOIC ACID ANILIDE PHOSPHATE, 3-HYDROXY-2-NAPHTHANILIDE PHOSPHATE, EINECS 237-789-8, MFCD00036182, N-PHENYL-3-(PHOSPHONOOXY)NAPHTHALENE-2-CARBOXAMIDE

Naphthol AS phosphate (CAS 13989-98-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H14NO5P and a molecular weight of 343.27100 g/mol. Key property: a density of 1.498g/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.
13989-98-5
Jingsj CID
J-34748-8
Molecular Formula
C17H14NO5P
Molecular Weight
343.27100 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Density1.498g/cm3
Exact Mass343.06100
PSA105.67000
LogP3.63660
Refractive Index1.721
Storage Conditions2-8°C

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2924299090
Summary2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Naphthol AS phosphate?

The CAS number of Naphthol AS phosphate is 13989-98-5.

What are the molecular formula and molecular weight of Naphthol AS phosphate?

Naphthol AS phosphate has molecular formula C17H14NO5P and molecular weight 343.27100 g/mol.

Is Naphthol AS phosphate hazardous?

Naphthol AS phosphate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Naphthol AS phosphate?

For Naphthol AS phosphate, Upstream Products: Naphthol AS.

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

Last updated:

How to cite: Jingsj. "Naphthol AS phosphate (CAS 13989-98-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34748-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.