Ahcovat printing golden yellow
Vat Yellow 4
CAS: 128-66-5
Molecular Formula: C24H12O2
Ahcovat printing golden yellow - Names and Identifiers
Ahcovat printing golden yellow - Physico-chemical Properties
| Molecular Formula | C24H12O2 |
| Molar Mass | 332.35 |
| Density | 1.1459 (rough estimate) |
| Boling Point | 429.48°C (rough estimate) |
| Storage Condition | Room Temprature |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.4891 (estimate) |
| Physical and Chemical Properties | Chemical properties yellow powder, insoluble in water, soluble in xylene, nitrobenzene and tetrahydronaphthalene, slightly soluble in acetone, ethanol, benzene, chloroform, toluene, pyridine, o-chlorophenol. In concentrated sulfuric acid, it is red and blue lotus color, diluted and then orange precipitated. It is jujube red in the alkaline blessing powder reduction solution and golden yellow in the acidic solution. It belongs to anthraquinone vat dyes. It has severe light brittleness. |
| Use | Uses for cotton, silk, nylon fabric dyeing printing. It can also be used for the printing of viscose communication polyester cotton blended fabric. The product of Light brittle weight, generally used for not often is the Sun dark winter cloth. The product can replace the reduced yellow GCN and brilliant green FFB in green, and the color amount is much higher than that of the reduced yellow GCN. The product is used for mutual adjustment of color light with reduced yellow GCN, reduced brilliant RF, reduced brilliant red R, reduced Brown RRD, and reduced gray BG, respectively. The product of printing and dyeing fabric, with urinary aldehyde or cyanide aldehyde, DMEU, 2D Resin finishing, color change is very small, and with BHES Resin finishing, color light red and dark. |
Ahcovat printing golden yellow - Upstream Downstream Industry
Ahcovat printing golden yellow - Nature
| IARC) carcinogen classification | 3 (Vol. 48) 1990 |
| EPA chemical information | C. I. Vat Yellow 4 (128-66-5) |
Last Update：2024-04-10 22:29:15
Ahcovat printing golden yellow - Production method
The refined naphthalene, benzoyl chloride and aluminum trichloride are benzoylated, and then aluminum trichloride, sodium chloride, dinitrochlorobenzene are used to complete the closed loop, and then refined, filtered, dried, and standardized processing, And the product. Raw material consumption (kg/t) refined naphthalene 1650 benzoyl chloride 1630 aluminum trichloride 9600 dinitrochlorobenzene 890 sodium hypochlorite (effective chlorine content 10%) 13400 hydrochloric acid 670 soda ash 30 industrial salt 1650
Last Update：2024-04-10 22:29:15
Ahcovat printing golden yellow - Security information
| toxic substance data | 128-66-5(Hazardous Substances Data) |
Last Update：2024-04-10 22:29:15
Supplier List
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CAS: 128-66-5
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CAS: 128-66-5
Tel: 18301782025
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Product Name: Vat Yellow 4 Visit Supplier Webpage Request for quotation
CAS: 128-66-5
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
CAS: 128-66-5
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
View History
Raw Materials for Ahcovat printing golden yellow
Aluminium chloride hexahydrate
Sodium chlorate
Naphthalene
2,4-Dinitrochlorobenzene
hypochlorous acid
INDUSTRIAL SALT
Sodium chlorate
Naphthalene
2,4-Dinitrochlorobenzene
hypochlorous acid
INDUSTRIAL SALT
Downstream Products for Ahcovat printing golden yellow
Vat brown 39 (C.I. 59270)
disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate)
Vat Orange 1
C.I. Vat Yellow 44
disodium dibenzo[b,def]chrysene-7,14-diyl bis(sulphate)
Vat Orange 1
C.I. Vat Yellow 44