Vat Brown 5 (CAS 3989-75-1) — formula C24H12O2S2, molecular weight 396.5; category dyes and pigments.
Vat Brown 5 (CAS 3989-75-1) is a chemical raw material in the dyes and pigments category. Its molecular formula C24H12O2S2 comprises 24 C, 12 H, 2 O, 2 S atoms. Its molecular weight is about 396.5. Reported physicochemical data: LogP about 6.6. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 3989-75-1 |
|---|---|
| Molecular Formula | C24H12O2S2 |
| Molecular Weight | 396.5 |
| LogP | 6.6 |
| Applications | Naphtho[2, 1-b]thiophen-1(2H)-one, 2-(1-oxonaphtho[2, 1-b]thien-2(1H)-ylidene)-: ACTIVE |
| Category | Dyes & Pigments |
Documented applications: Naphtho[2, 1-b]thiophen-1(2H)-one, 2-(1-oxonaphtho[2, 1-b]thien-2(1H)-ylidene)-: ACTIVE.
Vat Brown 5 is a colorant or pigment compound with CAS registry number 3989-75-1 and molecular formula C24H12O2S2 (molecular weight 396.5), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 3989-75-1
Its molecular formula C24H12O2S2 comprises 24 C, 12 H, 2 O, 2 S atoms.
Also known as: Vat Brown 5 · 还原棕5
Category: dyes and pigments
The CAS registry number of Vat Brown 5 is 3989-75-1.
Molecular formula C24H12O2S2, molecular weight 396.5.
It is also registered under: Vat Brown 5, 还原棕5.
Recorded applications: Naphtho[2, 1-b]thiophen-1(2H)-one, 2-(1-oxonaphtho[2, 1-b]thien-2(1H)-ylidene)-: ACTIVE.
Category: Dyes & Pigments.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Vat Brown 5 (CAS 3989-75-1), compiled from public chemistry databases.
| CAS Number | 3989-75-1 |
|---|---|
| PubChem CID | 77608 |
| Molecular Formula | C24H12O2S2 |
| IUPAC Name | 2-(1-oxobenzo[e][1]benzothiol-2-ylidene)benzo[e][1]benzothiol-1-one |
| UNII (FDA) | NS00048852 |
| Molecular Weight | 396.5 |
|---|---|
| XLogP3 | 6.6 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 396.02787197 |
| Monoisotopic Mass | 396.02787197 |
| Topological Polar Surface Area | 84.7 |
| Heavy Atom Count | 28 |
3989-75-1; naphtho[2,1-b]thiophen-1(2h)-one, 2-(1-oxonaphtho[2,1-b]thien-2(1h)-ylidene)-; Naphtho(2,1-b)thiophen-1(2H)-one, 2-(1-oxonaphtho(2,1-b)thien-2(1H)-ylidene)-; DTXSID3063255; RefChem:365441; DTXCID1039686; 2-(1-oxobenzo[e][1]benzothiol-2-ylidene)benzo[e][1]benzothiol-1-one; RNJIWICOCATEFH-UHFFFAOYSA-N; NS00048852
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 还原棕5