acid yellow 42 (C.I. 22910) (CAS 6375-55-9) — formula C32H24N8Na2O8S2, molecular weight 758.7; category dyes and pigments.
acid yellow 42 (C.I. 22910) (CAS 6375-55-9) is a chemical raw material in the dyes and pigments category. Its molecular formula C32H24N8Na2O8S2 comprises 32 C, 24 H, 8 N, 2 Na, 8 O, 2 S atoms. Its molecular weight is about 758.7. 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 | 6375-55-9 |
|---|---|
| Molecular Formula | C32H24N8Na2O8S2 |
| Molecular Weight | 758.7 |
| Applications | 1'-Biphenyl]-2, 2'-disulfonic acid, 4'-bis[2-(4, 5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl], sodium salt (1:2): ACTIVE |
| Category | Dyes & Pigments |
Documented applications: 1'-Biphenyl]-2, 2'-disulfonic acid, 4'-bis[2-(4, 5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl], sodium salt (1:2): ACTIVE.
acid yellow 42 (C.I. 22910) is a colorant or pigment compound with CAS registry number 6375-55-9 and molecular formula C32H24N8Na2O8S2 (molecular weight 758.7), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 6375-55-9
Its molecular formula C32H24N8Na2O8S2 comprises 32 C, 24 H, 8 N, 2 Na, 8 O, 2 S atoms.
Also known as: acid yellow 42 (C.I. 22910) · 黄色先生 · YELLOW MR
Category: dyes and pigments
The CAS registry number of acid yellow 42 (C.I. 22910) is 6375-55-9.
Molecular formula C32H24N8Na2O8S2, molecular weight 758.7.
It is also registered under: acid yellow 42 (C.I. 22910), 黄色先生, YELLOW MR.
Recorded applications: 1'-Biphenyl]-2, 2'-disulfonic acid, 4'-bis[2-(4, 5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl], sodium salt (1:2): 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 yellow 42 (C.I. 22910) (CAS 6375-55-9), compiled from public chemistry databases.
| CAS Registry Number | 6375-55-9 |
|---|---|
| PubChem CID | 22866 |
| Molecular formula | C32H24N8Na2O8S2 |
| IUPAC name | disodium;5-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]-2-[4-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]-2-sulfonatophenyl]benzenesulfonate |
| Molecular Weight | 758.7 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 14 |
| Rotatable Bond Count | 7 |
| Exact Mass | 758.09539066 |
| Monoisotopic Mass | 758.09539066 |
| Topological Polar Surface Area | 246 |
| Heavy Atom Count | 52 |
ACID YELLOW 42; Disodium 4,4'-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-ylazo)-1,1'-biphenyl-2,6'-disulphonate; RefChem:589350; 228-940-9; 6375-55-9; C.I. Acid Yellow 42; C.I. Acid Yellow 42, disodium salt; Acid Yellow K; Acid Fast Yellow MR; Optanol Yellow R; Milling Yellow RX; Coomassie Yellow R; Pharmatex Yellow G; Milling Yellow 3J; Pharmacine Yellow R; Coomassie Yellow RP
| GHS notification summary | 31.2% (81 / 260) |
|---|
| GHS notification summary | 31.2% (81 / 260) |
|---|---|
| Reported hazard statements | H317 (67.7%), H319 (40.8%) |
This chemical does not meet GHS hazard criteria for 31.2% (81 of 260) of reports.
H317 (67.7%): May cause an allergic skin reaction [Warning Sensitization, Skin]
YELLOW MR · CAS 6375-55-9 · C32H24N8Na2O8S2.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 黄色先生