Yellow K 2270
calcium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonate
CAS: 65212-77-3
Molecular Formula: C16H10CaCl2N4O7S2
Yellow K 2270 - Names and Identifiers
| Name | calcium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonate |
| Synonyms | 18792 C.I. 18792 Yellow K 2270 Pigment Yellow 183 Plasco yellow 183 C.I. Pigment Yellow 183 Pigment yellow 183 (C.I. 18792) C.I. Pigment Yellow 183, calcium salt calcium 4,5-dichloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzenesulphonate Calcium 4,5-dichloro-2-((4,5-dihydro-3-methyl-5-oxo-1-(3-sulphonatophenyl)-1H-pyrazol-4-yl)azo)benzenesulphonate calcium 4,5-dichloro-2-{(E)-[3-methyl-5-oxo-1-(3-sulfonatophenyl)-4,5-dihydro-1H-pyrazol-4-yl]diazenyl}benzenesulfonate |
| CAS | 65212-77-3 |
| EINECS | 265-634-4 |
| InChI | InChI=1/C16H12Cl2N4O7S2.Ca/c1-8-15(20-19-13-6-11(17)12(18)7-14(13)31(27,28)29)16(23)22(21-8)9-3-2-4-10(5-9)30(24,25)26;/h2-7,15H,1H3,(H,24,25,26)(H,27,28,29);/q;+2/p-2/b20-19+ |
Yellow K 2270 - Physico-chemical Properties
| Molecular Formula | C16H10CaCl2N4O7S2 |
| Molar Mass | 545.3872 |
| Density | 1.774[at 20℃] |
| Water Solubility | 79mg/L at 20℃ |
| Physical and Chemical Properties | hue or shade: Red Yellow diffraction curve:  reflection curve:  |
| Use | in recent years put on the market for plastic red light yellow lake pigment varieties, although its tinting strength is slightly lower, but the heat stability is excellent, in 1/3 standard depth of high density polyethylene (HDPE) in the coloring process, its thermal stability can reach 300 ℃, and does not produce dimensional deformation, light fastness up to 7-8, suitable for plastics (such as engineering plastics ABS,HDPE, etc.) coloring. |
Yellow K 2270 - Reference Information
| EPA chemical substance information | information is provided by: ofmpeb.epa.gov (external link) |
Last Update：2024-04-09 02:00:10
