Acid Red 42 (CAS 6245-60-9) — formula C22H16N3NaO6S2, molecular weight 505.5; category dyes and pigments.
Acid Red 42 (CAS 6245-60-9) is a chemical raw material in the dyes and pigments category. Its molecular formula C22H16N3NaO6S2 comprises 22 C, 16 H, 3 N, 1 Na, 6 O, 2 S atoms. Its molecular weight is about 505.5. 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 | 6245-60-9 |
|---|---|
| Molecular Formula | C22H16N3NaO6S2 |
| Molecular Weight | 505.5 |
| Applications | 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-diazenyl], sodium salt (1:1): ACTIVE |
| Category | Dyes & Pigments |
Documented applications: 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-diazenyl], sodium salt (1:1): ACTIVE.
Acid Red 42 is a colorant or pigment compound with CAS registry number 6245-60-9 and molecular formula C22H16N3NaO6S2 (molecular weight 505.5), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 6245-60-9
Its molecular formula C22H16N3NaO6S2 comprises 22 C, 16 H, 3 N, 1 Na, 6 O, 2 S atoms.
Also known as: Acid Red 42 · 酸性红42
Category: dyes and pigments
The CAS registry number of Acid Red 42 is 6245-60-9.
Molecular formula C22H16N3NaO6S2, molecular weight 505.5.
It is also registered under: Acid Red 42, 酸性红42.
Recorded applications: 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-diazenyl], sodium salt (1:1): 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 Acid Red 42 (CAS 6245-60-9), compiled from public chemistry databases.
| CAS Registry Number | 6245-60-9 |
|---|---|
| PubChem CID | 135764912 |
| Molecular formula | C22H16N3NaO6S2 |
| IUPAC name | sodium 6-amino-5-[[2-(benzenesulfonyl)phenyl]diazenyl]-4-hydroxynaphthalene-2-sulfonate |
| UNII (FDA) | NS00043836 |
| Molecular Weight | 505.5 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 5 |
| Exact Mass | 505.03782187 |
| Monoisotopic Mass | 505.03782187 |
| Topological Polar Surface Area | 179 |
| Heavy Atom Count | 34 |
ACID RED 42; EINECS 228-359-0; Sodium 6-amino-4-hydroxy-5-((2-(phenylsulphonyl)phenyl)azo)naphthalene-2-sulphonate; DTXSID30884239; Sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate; 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-((2-(phenylsulfonyl)phenyl)azo)-, monosodium salt; 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-(2-(2-(phenylsulfonyl)phenyl)diazenyl)-, sodium salt (1:1); 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[[2-(phenylsulfonyl)phenyl]azo]-, monosodium salt; 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[2-[2-(phenylsulfonyl)phenyl]diazenyl]-, sodium salt (1:1); RefChem:476839; DTXCID401023693; 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-2-(phenylsulfonyl)phenylazo-, monosodium salt; 228-359-0; 6245-60-9; Sodium 6-amino-4-hydroxy-5-2-(phenylsulphonyl)phenylazonaphthalene-2-sulphonate; 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[2-[2-(phenylsulfonyl)phenyl]diazenyl]-, sodium salt
| GHS notification summary | 100% (24 / 24) |
|---|
| GHS notification summary | 100% (24 / 24) |
|---|
This chemical does not meet GHS hazard criteria for 100% (24 of 24) of all reports.
Reported as not meeting GHS hazard criteria by 24 of 24 companies. For more detailed information, please visit ECHA C&L website.
Acid Red 42 · CAS 6245-60-9 · C22H16N3NaO6S2. UNII NS00043836.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 酸性红42