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1-Phenyl-1H-pyrazole-4-carbaldehyde

Also known as: 1-Phenyl-1H-pyrazole-4-carboxaldehyde, 1-Phenyl-1H-pyrazol-4-carbaldehyd, 1-phenyl-4-pyrazolecarboxaldehyde, 1-phenylpyrazole-4-carbaldehyde, AKOS BBS-00006876, TIMTEC-BB SBB010539

1-Phenyl-1H-pyrazole-4-carbaldehyde (CAS 54605-72-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8N2O and a molecular weight of 172.18300 g/mol. Key properties include a melting point of 85-88, a boiling point of 312.7ºC at 760 mmHg and a density of 1.15g/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.
54605-72-0
Jingsj CID
J-1115088-2
Molecular Formula
C10H8N2O
Molecular Weight
172.18300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point85-88
Boiling Point312.7ºC at 760 mmHg
Density1.15g/cm3
Exact Mass172.06400
PSA34.89000
LogP1.68480
Refractive Index1.604

GHS Safety & Compliance

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

Customs & Trade Information

HS Code2933199090
Summary2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-Phenyl-1H-pyrazole-4-carbaldehyde?

The CAS number of 1-Phenyl-1H-pyrazole-4-carbaldehyde is 54605-72-0.

What are the molecular formula and molecular weight of 1-Phenyl-1H-pyrazole-4-carbaldehyde?

1-Phenyl-1H-pyrazole-4-carbaldehyde has molecular formula C10H8N2O and molecular weight 172.18300 g/mol.

Is 1-Phenyl-1H-pyrazole-4-carbaldehyde hazardous?

1-Phenyl-1H-pyrazole-4-carbaldehyde 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 1-Phenyl-1H-pyrazole-4-carbaldehyde?

For 1-Phenyl-1H-pyrazole-4-carbaldehyde, Upstream Products: 1-Phenylpyrazole, N,N-Dimethylformamide, sodium carbonate; Downstream Products: (1-Phenyl-1H-pyrazol-4-yl)methanol, 3-(1-Phenyl-1H-pyrazol-4-yl)propanoic acid, 1-Phenyl-1H-pyrazole-4-carboxylic acid.

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

Last updated:

How to cite: Jingsj. "1-Phenyl-1H-pyrazole-4-carbaldehyde (CAS 54605-72-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1115088-2 (accessed 2026-11-09).

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