BLUE RSN (CAS 81-77-6) — formula C28H14N2O4, molecular weight 442.4; category organic chemicals.
BLUE RSN (CAS 81-77-6) is a chemical raw material in the organic chemicals category. Its molecular formula C28H14N2O4 comprises 28 C, 14 H, 2 N, 4 O atoms. Its molecular weight is about 442.4. Reported physicochemical data: LogP about 4.9. 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 | 81-77-6 |
|---|---|
| Molecular Formula | C28H14N2O4 |
| Molecular Weight | 442.4 |
| LogP | 4.9 |
| Applications | Pigment, Dye, Pigments agents, Cosmetic colorant, Used to dye unmordanted cotton and as pigment in quality paints and enamels, Indanthrene Blues used in automotive paints |
| Category | Organic Chemicals |
Documented applications: Pigment, Dye, Pigments agents, Cosmetic colorant, Used to dye unmordanted cotton and as pigment in quality paints and enamels, Indanthrene Blues used in automotive paints.
BLUE RSN is a carbon-based organic compound with CAS registry number 81-77-6 and molecular formula C28H14N2O4 (molecular weight 442.4), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 81-77-6
Its molecular formula C28H14N2O4 comprises 28 C, 14 H, 2 N, 4 O atoms.
Also known as: BLUE RSN · Indanthrene Blue RS · ANTHRAQUINONE BLUE
Category: organic chemicals
The CAS registry number of BLUE RSN is 81-77-6.
Molecular formula C28H14N2O4, molecular weight 442.4.
It is also registered under: BLUE RSN, Indanthrene Blue RS, ANTHRAQUINONE BLUE.
Recorded applications: Pigment, Dye, Pigments agents, Cosmetic colorant, Used to dye unmordanted cotton and as pigment in quality paints and enamels, Indanthrene Blues used in automotive paints.
Category: Organic Chemicals.
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 BLUE RSN (CAS 81-77-6), compiled from public chemistry databases.
| CAS Registry Number | 81-77-6 |
|---|---|
| PubChem CID | 6690 |
| Molecular formula | C28H14N2O4 |
| IUPAC name | 2,17-diazaheptacyclo[16.12.0.03,16.04,13.06,11.019,28.021,26]triaconta-1(18),3(16),4(13),6,8,10,14,19(28),21,23,25,29-dodecaene-5,12,20,27-tetrone |
| UNII (FDA) | R68OT0N83K |
| Molecular Weight | 442.4 |
|---|---|
| XLogP3 | 4.9 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 0 |
| Exact Mass | 442.09535693 |
| Monoisotopic Mass | 442.09535693 |
| Topological Polar Surface Area | 92.3 |
| Heavy Atom Count | 34 |
| Other Experimental Properties | DECOMPOSES @ 470-500 °C |
|---|
Indanthrone; 81-77-6; Indanthrene; Vat blue 4; Medium Blue; Indanthren Blue; Indanthrene Blue; Carbanthrene Blue RS; Caledon Blue RN; Palanthrene Blue GPT; Ponsol RP; Ponsol Blue GZ; Celliton Blue RN; Lutetia Fast Blue RS; Vat Blue O; Food Blue 4
| Regulatory & Food Contact | COLOUR: Food Additives CI VAT BLUE 4 NO ADI ALLOCATED Previous temporary ADI withdrawn NMRS 54/TRS 557-JECFA 18/17 FAS 6/NMRS 54A-JECFA 18/93 |
|---|---|
| GHS notification summary | 73.1% (201 / 275) |
| GHS notification summary | 73.1% (201 / 275) |
|---|---|
| Reported hazard statements | H412 (13.5%), H413 (13.1%) |
This chemical does not meet GHS hazard criteria for 73.1% (201 of 275) of all reports.
H412 (13.5%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
BLUE RSN · CAS 81-77-6 · C28H14N2O4. UNII R68OT0N83K. Other Experimental Properties: DECOMPOSES @ 470-500 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: BLUE RSN