Protoporphyrin IX
Also known as: 3,7,12,17-Tetramethyl-8,13-divinyl-2,18-porphinedipropionic acid, 7,12-Diethenyl-3,8,13,17-tetramethyl-21H,23H-porphine-2,18-dipropanoic acid, Kammerer's porphyrin, Ooporphyrin, Protoporphyrin-9, Protoporphyrin, 3,3'-(7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-diyl)dipropanoic acid, 1,3,5,8-Tetramethyl-2,4-divinylporphine-6,7-dipropionic acid
Protoporphyrin IX (CAS 553-12-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C34H34N4O4 and a molecular weight of 562.658 g/mol. Key properties include a boiling point of 1122.0±65.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 632.4±34.3 °C. 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. It is listed by 1 supplier, from 1.34 to 1,120.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 553-12-8
- Jingsj CID
- J-39715-5
- Molecular Formula
- C34H34N4O4
- Molecular Weight
- 562.658 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | ≥95% 250mg | ¥335.00 | $0.2 /mgBest ¥1.34/mg CNY | CN China MOQ 250mg | |
In Stock | ≥95% 100mg | ¥238.00 | $0.36 /mg ¥2.38/mg CNY | CN China MOQ 100mg | |
In Stock | ≥95% 1g | ¥1,120.00 | $167.6 /g ¥1,120.00/g CNY | CN China MOQ 1g |
Physicochemical Properties
| Boiling Point | 1122.0±65.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 632.4±34.3 °C |
| Exact Mass | 562.257996 |
| PSA | 130.90000 |
| LogP | 7.33 |
| Appearance | Powder | purple |
| Vapor Pressure | 0.0±0.3 mmHg at 25°C |
| Refractive Index | 1.674 |
| Storage Conditions | 2-8ºC |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Yasushi Nakai, et al.Protoporphyrin IX induced by 5-aminolevulinic acid in bladder cancer cells in voided urine can be extracorporeally quantified using a spectrophotometer. |
Frequently Asked Questions
What is the CAS number of Protoporphyrin IX?
The CAS number of Protoporphyrin IX is 553-12-8.
What are the molecular formula and molecular weight of Protoporphyrin IX?
Protoporphyrin IX has molecular formula C34H34N4O4 and molecular weight 562.658 g/mol.
Which suppliers offer Protoporphyrin IX?
1 supplier(s) listed; reference unit price ¥1.34–1120.00 /mg.
Is Protoporphyrin IX hazardous?
Protoporphyrin IX has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Protoporphyrin IX (CAS 553-12-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39715-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.