Basic Orange 31
碱性橙31
Also known as: Basic Orange 31, 2-[(4-aminophenyl)azo]-1,3-dimethyl-1H-imidazolium chloride, 4-[(1,3-dimethylimidazol-1-ium-2-yl)diazenyl]aniline, chloride, 1,3-dimethyl-2-[(4-aminophenyl)azo]-1H-imidazolium chloride, 1H-Imidazolium, 2-(4-aminophenyl)azo-1,3-dimethyl-, chloride, 2-((4-Aminophenyl)diazenyl)-1,3-dimethyl-1H-imidazol-3-ium chloride, EINECS 306-764-4, BO-31, Alkaline orange 31
Basic Orange 31 (CAS 97404-02-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C11H14ClN5 and a molecular weight of 251.71500 g/mol. It is also known as 2-[(4-aminophenyl)azo]-1,3-dimethyl-1H-imidazolium chloride, 4-[(1,3-dimethylimidazol-1-ium-2-yl)diazenyl]aniline, chloride and 1,3-dimethyl-2-[(4-aminophenyl)azo]-1H-imidazolium chloride. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 97404-02-9
- Jingsj CID
- J-1029527-6
- Molecular Formula
- C11H14ClN5
- Chinese Name
- 碱性橙31
- Molecular Weight
- 251.71500 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of Basic Orange 31?
The CAS number of Basic Orange 31 is 97404-02-9.
What are the molecular formula and molecular weight of Basic Orange 31?
Basic Orange 31 has molecular formula C11H14ClN5 and molecular weight 251.71500 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Basic Orange 31 (CAS 97404-02-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1029527-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.