Vat Brown 5
还原棕5
Also known as: C.I. 73410, C.I. Pigment Brown 27, C.I. Vat Brown 5, Calcotone Brown 2R, Lithosol Fast Brown GP, Δ2,2'(1H,1'H)-Binaphtho[2,1-b]thiophene-1,1'-dione, 2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one
Vat Brown 5 (CAS 3989-75-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C24H12O2S2 and a molecular weight of 396.48100 g/mol. It is also known as C.I. 73410, C.I. Pigment Brown 27 and C.I. Vat Brown 5. Key properties include a boiling point of 575.7ºC at 760 mmHg, a density of 1.523g/cm3 and a flash point of 248.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3989-75-1
- Jingsj CID
- J-1517625-7
- Molecular Formula
- C24H12O2S2
- Chinese Name
- 还原棕5
- Molecular Weight
- 396.48100 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 575.7ºC at 760 mmHg |
|---|---|
| Density | 1.523g/cm3 |
| Flash Point | 248.3ºC |
Frequently Asked Questions
What is the CAS number of Vat Brown 5?
The CAS number of Vat Brown 5 is 3989-75-1.
What are the molecular formula and molecular weight of Vat Brown 5?
Vat Brown 5 has molecular formula C24H12O2S2 and molecular weight 396.48100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Vat Brown 5 (CAS 3989-75-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517625-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.