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Phorbol 12,13-diacetate

Also known as: PDA, Phorbol-12,13-diacetate, 12-O-Acetylphorbol-13-acetate, (1aR,1bS,4aR,7aS,7bS,8R,9R,9aS)-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5-oxo-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-9aH-cyclopropa[3,4]benzo[1,2-e]azulene-9,9a-diyl diacetate, 9,9a-Bis(acetyloxy)-1,1a,1b,4,4a,7a,7b,8,9,9a-decahydro-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5H-cyclopropa(3,4)benz(1,2-e)azulen-5-one, Phorbol 10,11-diacetate, Phorbol 11,12-diacetate, PHORBOL 12,13-DIACETATE, 4BETA

Phorbol 12,13-diacetate (CAS 24928-15-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H32O8 and a molecular weight of 448.50600 g/mol. Key properties include a boiling point of 585.7ºC at 760 mmHg, a density of 1.34g/cm3 and a flash point of 195.4ºC. It is classified under GHS with signal word Danger and hazard statements H300, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
24928-15-2
Jingsj CID
J-42530-4
Molecular Formula
C24H32O8
Molecular Weight
448.50600 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point585.7ºC at 760 mmHg
Density1.34g/cm3
Flash Point195.4ºC
Exact Mass448.21000
PSA130.36000
LogP1.07170
Vapor Pressure3.69E-16mmHg at 25°C
Refractive Index1.592
Storage Conditions-20℃

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H300
  • H310
  • H330 — Fatal if inhaled
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of Phorbol 12,13-diacetate?

The CAS number of Phorbol 12,13-diacetate is 24928-15-2.

What are the molecular formula and molecular weight of Phorbol 12,13-diacetate?

Phorbol 12,13-diacetate has molecular formula C24H32O8 and molecular weight 448.50600 g/mol.

Is Phorbol 12,13-diacetate hazardous?

Phorbol 12,13-diacetate has GHS signal word Danger and hazard statements H300; H310; H330 — Fatal if inhaled.

What are the upstream and downstream products of Phorbol 12,13-diacetate?

For Phorbol 12,13-diacetate, Upstream Products: Phorbol.

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

Last updated:

How to cite: Jingsj. "Phorbol 12,13-diacetate (CAS 24928-15-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42530-4 (accessed 2026-11-06).

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