Aniline Blue
Also known as: Acid Blue 22, Water soluble aniline blue, C.I. Acid Blue 22, C.I. 42755, Aniline Blue, sodium salt, Disodium 2-amino-3-methyl-5-[[4-(4-sulfonatoanilino)phenyl]-[4-(4-sulfonatophenyl)azaniumylidenecyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
Aniline Blue (CAS 28631-66-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C32H26N3Na2O9S3 and a molecular weight of 737.730 g/mol. It is listed by 2 suppliers, 1 of which publish reference prices, from 0.96 to 0.96 CNY per 500g. Record last updated Nov 2, 2026.
- CAS No.
- 28631-66-5
- Jingsj CID
- J-24446-0
- Molecular Formula
- C32H26N3Na2O9S3
- Molecular Weight
- 737.730 g/mol
- Category
- Organic Bases
- Last updated
- 11/2/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | AR 500g | ¥480.00 | $0.14 /gBest ¥0.96/g CNY | CN China MOQ 500g | |
Made to Order | - | - | CN China |
Physicochemical Properties
| Exact Mass | 737.054810 |
|---|---|
| PSA | 244.32000 |
| LogP | 8.97290 |
Frequently Asked Questions
What is the CAS number of Aniline Blue?
The CAS number of Aniline Blue is 28631-66-5.
What are the molecular formula and molecular weight of Aniline Blue?
Aniline Blue has molecular formula C32H26N3Na2O9S3 and molecular weight 737.730 g/mol.
Which suppliers offer Aniline Blue?
2 supplier(s) listed; reference unit price ¥0.96–0.96 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Aniline Blue (CAS 28631-66-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24446-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.