Pigment Red 13 (CAS 6535-47-3) — formula C25H20N4O4, molecular weight 440.4; category dyes and pigments.
Pigment Red 13 (CAS 6535-47-3) is a dyes and pigments. Its molecular formula C25H20N4O4 comprises 25 C, 20 H, 4 N, 4 O atoms. Its molecular weight is about 440.4. Reported physicochemical data: LogP about 6.5. Dyes and pigments impart color to textiles, plastics, coatings and inks, with attention to fastness, dispersibility and application process. Applied in textile dyeing, plastic coloring, inks and coatings, paper and leather processing. 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 | 6535-47-3 |
|---|---|
| Molecular Formula | C25H20N4O4 |
| Molecular Weight | 440.4 |
| LogP | 6.5 |
| Applications | 2-Naphthalenecarboxamide, 3-hydroxy-4-[2-(4-methyl-2-nitrophenyl)diazenyl]-N-(2-methylphenyl)-: ACTIVE |
| Category | Dyes & Pigments |
Documented applications: 2-Naphthalenecarboxamide, 3-hydroxy-4-[2-(4-methyl-2-nitrophenyl)diazenyl]-N-(2-methylphenyl)-: ACTIVE.
Pigment Red 13 is a colorant or pigment compound with CAS registry number 6535-47-3 and molecular formula C25H20N4O4 (molecular weight 440.4), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 6535-47-3
Its molecular formula C25H20N4O4 comprises 25 C, 20 H, 4 N, 4 O atoms.
Also known as: Pigment Red 13 · 颜料红13
Category: dyes and pigments
The CAS registry number of Pigment Red 13 is 6535-47-3.
Molecular formula C25H20N4O4, molecular weight 440.4.
It is also registered under: Pigment Red 13, 颜料红13.
Recorded applications: 2-Naphthalenecarboxamide, 3-hydroxy-4-[2-(4-methyl-2-nitrophenyl)diazenyl]-N-(2-methylphenyl)-: 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 Pigment Red 13 (CAS 6535-47-3), compiled from public chemistry databases.
| CAS Registry Number | 6535-47-3 |
|---|---|
| PubChem CID | 81022 |
| Molecular formula | C25H20N4O4 |
| IUPAC name | 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(2-methylphenyl)naphthalene-2-carboxamide |
| UNII (FDA) | HGD76SLY64 |
| Molecular Weight | 440.4 |
|---|---|
| XLogP3 | 6.5 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 4 |
| Exact Mass | 440.14845513 |
| Monoisotopic Mass | 440.14845513 |
| Topological Polar Surface Area | 120 |
| Heavy Atom Count | 33 |
3-Hydroxy-4-[2-(4-methyl-2-nitrophenyl)diazenyl]-N-(2-methylphenyl)-2-naphthalenecarboxamide; DTXSID6064404; 3-Hydroxy-4-((4-methyl-2-nitrophenyl)azo)-N-(o-tolyl)naphthalene-2-carboxamide; 3-hydroxy-4-[(4-methyl-2-nitrophenyl)azo]-N-(o-tolyl)naphthalene-2-carboxamide; 3-Hydroxy-4-(2-(4-methyl-2-nitrophenyl)diazenyl)-N-(2-methylphenyl)-2-naphthalenecarboxamide; RefChem:502388; DTXCID3044590; 229-441-9; 6535-47-3; 2-Naphthalenecarboxamide, 3-hydroxy-4-[(4-methyl-2-nitrophenyl)azo]-N-(2-methylphenyl)-; 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(2-methylphenyl)naphthalene-2-carboxamide; 2-Naphthalenecarboxamide,3-hydroxy-4-[(4-methyl-2-nitrophenyl)azo]-N-(2-methylphenyl)-; 2-Naphthalenecarboxamide, 3-hydroxy-4-((4-methyl-2-nitrophenyl)azo)-N-(2-methylphenyl)-; EINECS 229-441-9; 2-Naphthalenecarboxamide, 3-hydroxy-4-(2-(4-methyl-2-nitrophenyl)diazenyl)-N-(2-methylphenyl)-; 2-Naphthalenecarboxamide, 3-hydroxy-4-[2-(4-methyl-2-nitrophenyl)diazenyl]-N-(2-methylphenyl)-
| GHS notification summary | 100% (22 / 22) |
|---|
| GHS notification summary | 100% (22 / 22) |
|---|
This chemical does not meet GHS hazard criteria for 100% (22 of 22) of all reports.
Reported as not meeting GHS hazard criteria by 22 of 22 companies. For more detailed information, please visit ECHA C&L website.
Pigment Red 13 · CAS 6535-47-3 · C25H20N4O4. UNII HGD76SLY64.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 颜料红13