【 WhatsApp】
+86-21-6420 0566
8618501763615
| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Vat Yellow 4 |
| Synonyms: | Vat yellow 4 (C.I. 59100);C.I.59100;Indanthren Printing Yellow GOK;Nihonthrene Golden Yellow GK;Tinon Golden Yellow GK;2,3,7,8-Dibenzopyrene-1,6-quinone;Ahcovat printing golden yellow;Ahcovat printing golden yellow gk |
| CAS: | 128-66-5 |
| MF: | C24H12O2 |
| MW: | 332.35 |
| EINECS: | 2049032 |
| Product Categories: | |
| Mol File: | 128-66-5.mol |
| Melting point | 385 °C |
| Boiling point | 429.48°C (rough estimate) |
| density | 1.1459 (rough estimate) |
| refractive index | 1.4891 (estimate) |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 128-66-5 |
| IARC | 3 (Vol. 48) 1990 |
| EPA Substance Registry System | C.I. Vat Yellow 4 (128-66-5) |
| Hazardous Substances Data | 128-66-5(Hazardous Substances Data) |
| Chemical Properties | viscous orange liquid | ||||||||||||||||||||||||||
| Vat Yellow 4 is a commercial dye used in textiles. Polyaromatic hydrocarbon with potential carcinogenic activity.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list. | |||||||||||||||||||||||||||
| Definition | ChEBI: Vat Yellow 4 is an ortho- and peri-fused polycyclic arene. | ||||||||||||||||||||||||||
| (a) 3-Benzoylbenzanthrone?and Aluminium chloride and antioxidant for the closed-loop response; (b) 1,5-Dibenzoyl-2-naphthaene?in Aluminium chloride and sodium chloride were under existing closed-loop response. | |||||||||||||||||||||||||||
| General Description | Viscous orange liquid. Used for coloring of cotton, wool and cellulose acetate. | ||||||||||||||||||||||||||
| Water soluble. | |||||||||||||||||||||||||||
| Reactivity Profile | Vat Yellow 4 reacts very readily with reducing agents to give a colorless or nearly colorless product. Subsequent oxidation then restores the color. | ||||||||||||||||||||||||||
| ACUTE/CHRONIC HAZARDS: When heated to decomposition Vat Yellow 4 emits acrid smoke and irritating fumes. | |||||||||||||||||||||||||||
| Fire Hazard | Vat Yellow 4 is probably combustible. | ||||||||||||||||||||||||||
| 7,14-Dibenzpyrenequinone, IndanthrenGolden Yellow GK, is prepared from 1,5-dibenzoylnaphthalene (itselfprepared from naphthalene with benzoylchloride – AlCl3) by fusion with AlCl3-NaClat 160 ?C and aeration with oxygen ,, . | |||||||||||||||||||||||||||
| Properties and Applications | red light yellow. Yellow brown powder. Soluble in nitrobenzene, four hydrogenated naphthalene and dimethyl benzene, slightly soluble in acetone, ethanol, benzene, chloroform, o-chlorophenol, Pyridine and toluene. The strong sulfuric acid to red light purple, orange after diluted precipitation, in alkaline insurance powder is in stock for purplish red color; In the acidic insurance powder also in stock for golden brown. Can be used for the discharge printing of cotton, mainly used in the winter sun often dark cotton print, also suitable for silk and polyamide fiber dyeing.
| ||||||||||||||||||||||||||
| Raw materials | Aluminium chloride hexahydrate-->Sodium chlorate-->Naphthalene-->2,4-Dinitrochlorobenzene-->hypochlorous acid-->INDUSTRIAL SALT |
| Preparation Products | Vat brown 39 (C.I. 59270)-->disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate)-->Vat Orange 1-->C.I. Vat Yellow 44 |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
Ready to Start?
For help with solutions customized to your business needs, contact Export Director now.
With 30+ years of experience and We firmly believe that product quality is the basis of cooperation.
Chat Now
Phone
8618501763615
Working hours
Monday to Friday
TEl
+86-21-6420 0566
