Coomassie brilliant blue R-250
Also known as: Brilliant Blue R, Acid Blue 83, C.I. Acid Blue 83, Acid Blue 6B, Brilliant Blue 6B, Acid Brilliant Cyanine 6B, Brilliant Indocyanine 6B, PAGE BLUE 83, SERVA BLUE R, CBB R-250, Solar Cyanine 6B, PhastGel Blue R, Sodium 3-({[(1Z,4Z)-4-({4-[(4-ethoxyphenyl)amino]phenyl}{4-[ethyl(3-sulfonatobenzyl)amino]phenyl}methylidene)cyclohexa-2,5-dien-1-ylidene](ethyl)ammonio}methyl)benzenesulfonate
Coomassie brilliant blue R-250 (CAS 6104-59-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C45H44N3NaO7S2 and a molecular weight of 825.966 g/mol. Key properties include a melting point of 174-180 °C and a flash point of 14 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 6104-59-2
- Jingsj CID
- J-1108755-1
- Molecular Formula
- C45H44N3NaO7S2
- Molecular Weight
- 825.966 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 174-180 °C |
|---|---|
| Flash Point | 14 °C |
| Exact Mass | 825.251831 |
| PSA | 158.67000 |
| LogP | 10.49970 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Activity & Biological Data
| Additional Information | [1]. Krause RGE, et al. Crystal violet stains proteins in SDS-PAGE gels and zymograms. Anal Biochem. 2019;566:107-115. |
|---|
Customs & Trade Information
| HS Code | 32041200 |
|---|
Frequently Asked Questions
What is the CAS number of Coomassie brilliant blue R-250?
The CAS number of Coomassie brilliant blue R-250 is 6104-59-2.
What are the molecular formula and molecular weight of Coomassie brilliant blue R-250?
Coomassie brilliant blue R-250 has molecular formula C45H44N3NaO7S2 and molecular weight 825.966 g/mol.
Which suppliers offer Coomassie brilliant blue R-250?
1 supplier(s) listed; request a quote for pricing.
Is Coomassie brilliant blue R-250 hazardous?
Coomassie brilliant blue R-250 has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye 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. "Coomassie brilliant blue R-250 (CAS 6104-59-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1108755-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.