Fluorescent Brightener 9

荧光增白剂9

Also known as: Belophor OD, Blankophor HZPA, C.I. 40621, C.I. Fluorescent Brightener 9, Calcofluor White MR, Cellu-brite, Compound 19-28, EINECS 205-117-2, TINOPAL SOP, Whitex SB, disodium (2E)-2,2'-(1,2-ethenediyl)bis[5-[[4,6-bis(phenylamino)-1,3,5-triazin-2-yl]amino]benzenesulfonate], disodium 4,4'-bis[(4,6-dianilino-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulphonate

Fluorescent Brightener 9 (CAS 133-66-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C44H34N12Na2O6S2 and a molecular weight of 936.92700 g/mol. It is also known as Belophor OD, Blankophor HZPA and C.I. 40621. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 133-66-4
Jingsj CID: J-1368881-5
Molecular Formula: C₄₄H₃₄N₁₂Na₂O₆S₂
Chinese Name: 荧光增白剂9
Molecular Weight: 936.92700 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of Fluorescent Brightener 9?

The CAS number of Fluorescent Brightener 9 is 133-66-4.

What are the molecular formula and molecular weight of Fluorescent Brightener 9?

Fluorescent Brightener 9 has molecular formula C44H34N12Na2O6S2 and molecular weight 936.92700 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Fluorescent Brightener 9 (CAS 133-66-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368881-5 (accessed 2026-10-26).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.