Name | Pyranthrenedione |
Synonyms | C.I. 59700 Pyranthron Pyranthrone Vat Orange 9 Vat Orange 9 pyranthrenedione Pyranthrenedione C.I. Vat Orange 9 Solanthrene Orange J 8,16-Pyranthrenedione Tinon Golden Orange G C.I. Pigment Orange 40 Solanthrene Orange F-J pyranthrene-8,16-dione Romantrene Golden Orange FG Sandothrene Golden Orange NG |
CAS | 128-70-1 |
EINECS | 204-906-9 |
InChI | InChI=1/C30H14O2/c31-29-19-7-3-1-5-17(19)23-13-15-9-12-22-28-24(18-6-2-4-8-20(18)30(22)32)14-16-10-11-21(29)27(23)25(16)26(15)28/h1-14H |
Molecular Formula | C30H14O2 |
Molar Mass | 406.43 |
Density | 1.489 |
Boling Point | 703.7±30.0 °C(Predicted) |
Flash Point | 250°C |
Vapor Presure | 1.2E-19mmHg at 25°C |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.909 |
Physical and Chemical Properties | solubility: slightly soluble in ethanol, soluble in tetrahydronaphthalene and xylene; Dark blue in concentrated sulfuric acid, yellow orange precipitate after dilution; Blue-red in alkaline health insurance powder, red-brown in case of acid. hue or shade: Red light orange |
Use | The pigment is unsubstituted Pyranthrone, but its yield is not large, with excellent light fastness of Grade 6-7 (1/1-/25SD). And moderate coloration intensity. It has good fastness in fabric printing, but it is not resistant to reducing treatment. The fastness decreases in alkaline sodium hydrosulfite solution, and the color of colored fiber changes after treatment. It is mainly used in spinning and coloring of viscose fiber and acetate fiber. |
Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |