PIGMENT RED 49:2 (CAS 1103-39-5) — formula C20H14N2O4S, molecular weight 378.4; category dyes and pigments.
PIGMENT RED 49:2 (CAS 1103-39-5) is a dyes and pigments. Its molecular formula C20H14N2O4S comprises 20 C, 14 H, 2 N, 4 O, 1 S atoms. Its molecular weight is about 378.4. Reported physicochemical data: LogP about 4.6. 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 | 1103-39-5 |
|---|---|
| Molecular Formula | C20H14N2O4S |
| Molecular Weight | 378.4 |
| LogP | 4.6 |
| Applications | paints, inks, plastics, and as catalysts |
| Category | Dyes & Pigments |
Documented applications: paints, inks, plastics, and as catalysts.
PIGMENT RED 49:2 is a colorant or pigment compound with CAS registry number 1103-39-5 and molecular formula C20H14N2O4S (molecular weight 378.4), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 1103-39-5
Its molecular formula C20H14N2O4S comprises 20 C, 14 H, 2 N, 4 O, 1 S atoms.
Also known as: PIGMENT RED 49:2 · 颜料红 49:2
Category: dyes and pigments
The CAS registry number of PIGMENT RED 49:2 is 1103-39-5.
Molecular formula C20H14N2O4S, molecular weight 378.4.
It is also registered under: PIGMENT RED 49:2, 颜料红 49:2.
Recorded applications: paints, inks, plastics, and as catalysts.
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 49:2 (CAS 1103-39-5), compiled from public chemistry databases.
| CAS Registry Number | 1103-39-5 |
|---|---|
| PubChem CID | 14200 |
| Molecular formula | C20H14N2O4S |
| IUPAC name | 2-[(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonic acid |
| UNII (FDA) | KN0SE6H7BI |
| Molecular Weight | 378.4 |
|---|---|
| XLogP3 | 4.6 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 3 |
| Exact Mass | 378.06742811 |
| Monoisotopic Mass | 378.06742811 |
| Topological Polar Surface Area | 108 |
| Heavy Atom Count | 27 |
KN0SE6H7BI; EINECS 249-459-0; 1-Naphthalenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-; DTXSID3067445; 1-Naphthalenesulfonic acid, 2-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-; 1-Naphthalenesulfonic acid, 2-((2-hydroxy-1-naphthalenyl)azo)-; 1-Naphthalenesulfonic acid, 2-((2-hydroxy-1-naphthalenyl)azo)-, sodium salt; 2-((2-Hydroxy-1-naphthyl)azo)naphthalenesulphonic acid; 2-[(2-hydroxy-1-naphthyl)azo]naphthalenesulphonic acid; 2-(2-(2-HYDROXY-1-NAPHTHALENYL)DIAZENYL)-1-NAPHTHALENESULFONIC ACID; 1-Naphthalenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-; 2-[2-(2-Hydroxy-1-naphthalenyl)diazenyl]-1-naphthalenesulfonic acid; RefChem:863196; DTXCID6037938; 29128-55-0; 2-((2-hydroxynaphthalen-1-yl)diazenyl)naphthalene-1-sulfonic acid
| GHS notification summary | 100% (2 / 2) |
|---|
| GHS notification summary | 100% (2 / 2) |
|---|
This chemical does not meet GHS hazard criteria for 100% (2 of 2) of all reports.
Reported as not meeting GHS hazard criteria by 2 of 2 companies. For more detailed information, please visit ECHA C&L website.
PIGMENT RED 49:2 · CAS 1103-39-5 · C20H14N2O4S. UNII KN0SE6H7BI.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 颜料红 49:2