颜料黄191，CAS 登记号 129423-54-7，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于染料及颜料。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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Pigment Yellow 191 · CAS 129423-54-7 · C17H13CaClN4O7S2. UNII C08B82I20P.
| CAS Registry Number | 129423-54-7 |
|---|---|
| PubChem CID | 71587475 |
| Molecular formula | C17H13CaClN4O7S2 |
| IUPAC name | calcium 4-chloro-5-methyl-2-[[3-methyl-5-oxo-1-(3-sulfonatophenyl)-4H-pyrazol-4-yl]diazenyl]benzenesulfonate |
| UNII (FDA) | C08B82I20P |
| Molecular Weight | 525.0 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 10 |
| Rotatable Bond Count | 3 |
| Exact Mass | 523.9540097 |
| Monoisotopic Mass | 523.9540097 |
| Topological Polar Surface Area | 189 |
| Heavy Atom Count | 32 |
| Formal Charge | 0 |
| Complexity | 947 |
| Regulatory & Food Contact | FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS |
|---|
DTXSID4051293; RefChem:1080568; DTXCID801515690; UNII-C08B82I20P; 129423-54-7; C08B82I20P; SCHEMBL29377640; IAOFMMGWUKSXJG-UHFFFAOYSA-L; NS00112484; calcium;4-chloro-5-methyl-2-[[3-methyl-5-oxo-1-(3-sulfonatophenyl)-4H-pyrazol-4-yl]diazenyl]benzenesulfonate
CAS 129423-54-7; molecular formula C17H13CaClN4O7S2; molecular weight — g/mol.
DTXSID4051293, RefChem:1080568, DTXCID801515690, UNII-C08B82I20P, 129423-54-7, C08B82I20P.
Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.