Min.Order Quantity: 10 Ton
Port: Shanghai
Payment Terms: T/T
Vinyl acetate, or vinyl acetate, is an organic compound with the molecular formula of C4H6O2. It is a colorless flammable liquid with a sweet ether smell. It is mainly used for the synthesis of vinylon, as well as chemical reagents in the binder and coating industry.
Item | Unit | Value |
Purity | % | 99.9 min |
Color | APHA | 5max |
Acid value (as acetate acid) | Ppm | 50max |
Water Content | Ppm | 400max |
Appearance | - | Transparent liquid |
Density: 0.934 g/mL at 25 ° C (lit.)
Melting point: - 93 ° C (lit.)
Boiling point: 72-73 ° C (lit.)
Flash point: 20 ° F
Water solubility: 23 g/L (20 º C)
Vapor pressure: 88 mm Hg (20 ° C)
Steam density: 3 (vs air)
Solubility: 20g/l
Refractive index n20/D 1.395 (lit.)
PH value 7 (20g/l, H2O, 20 ℃)
Vinyl acetate (VA or VAc for short), also known as vinyl acetate, vinyl acetate or vinyl acetate. Relative density (
Vinyl acetate monomer (VAM) is a colourless liquid, immiscible or slightly soluble in water. VAM is a flammable liquid. VAM has a sweet, fruity smell (in small quantities), with sharp, irritating odour at higher levels. VAM is an essential chemical building block used in a wide variety of industrial and consumer products. VAM is a key ingredient in emulsion polymers, resins, and intermediates used in paints, adhesives, coatings, textiles, wire and cable polyethylene compounds, laminated safety glass, packaging, automotive plastic fuel tanks, and acrylic fibres. Vinyl acetate is used to produce polyvinyl acetate emulsions and resins. Very small residual levels of vinyl acetate have been found present in products manufactured using VAM, such as moulded plastic items, adhesives, paints, food packaging containers, and hairspray.
1. As an intermediate, it is used to produce polyvinyl alcohol, paint and adhesive, etc
2. For organic synthesis
3. Used for resin fiber synthesis
4. Intermediates and adhesives used as oil pour point depressant and thickener
5. Used as raw material for manufacturing synthetic fiber vinylon
6. Used as binder, architectural coating, textile sizing agent and finishing agent, paper reinforcing agent
7. Used for manufacturing safety glass, etc
(1) Acetylene method: synthesis of vinyl acetate by acetylene gas phase method: raw materials of acetylene gas phase method are acetic acid and acetylene. There are many by-products in the synthesis of vinyl acetate by this method. The main reaction equation is exothermic, C ₂ H ₂+CH ⏴ COOH → CH ⏴ COOCHCH ₂. The synthesis section is the catalytic synthesis of vinyl acetate from acetylene and acetic acid in a fluidized bed reactor through activated carbon zinc acetate. The separation section liquefies the high-boiling acetic acid and vinyl acetate in the synthesis gas and separates them from the non-condensable gas acetylene, nitrogen and carbon dioxide.
(2) Ethylene method: ethylene gas phase oxidation method: ethylene gas phase oxidation method is dominant due to its excellent process economy. Ethylene gas phase oxidation method is the reaction of ethylene, acetic acid and oxygen in the gas phase to produce vinyl acetate. Pd-Au, Pd-Pt, Pd-cd supported catalysts are used, and the supports are mainly SiO and Al O . Ethylene gas phase oxidation process includes fixed bed and fluidized bed processes. Fixed bed process: the active components of the catalyst used in the fixed bed process are mainly concentrated in the shell of the carrier, namely the so-called eggshell catalyst. The general preparation steps include impregnating the carrier with Pd and Au solution, precipitating Pd and Au with alkali, reducing Pd and Au with reducing agent, washing and drying, and finally impregnating and drying with alkali metal solution. The single-pass conversion of ethylene and acetic acid is 8%~10% and 8%~20% respectively. Fluidized bed gas phase process: The fluidized bed process for preparing vinyl acetate from ethylene, acetic acid, and oxygen includes: adding ethylene, acetic acid (gas phase) into the fluidized bed reactor, oxygen entering the reactor through another pipe, ethylene/acetic acid and oxygen mixing in the reactor, and producing vinyl acetate under the action of catalyst. The active components of the catalyst used in the fluidized bed are basically the same as that of the fixed bed, but mainly concentrated between the shell and the inner layer, namely the so-called protein-type catalyst. The fluidized bed process overcomes the disadvantages of catalyst cumulative deactivation, uneven heating and oxygen content limitation in the fixed bed.
Vinyl acetate is mainly used to produce polyvinyl alcohol and EVA. Vinyl acetate (Vac), a simple ester of saturated acid and unsaturated alcohol, can be polymerized by itself or with other monomers to produce polymers such as polyvinyl alcohol (PVA), vinyl acetate-vinyl copolymer (EVA), etc
Nature of inquiries | Department | Location | Telephone | |
Sales/distribution | Vinyl acetate overseas sales team | China | +86-19117288062 | service@skychemwin.com |
Chemwin can provide a wide range of bulk hydrocarbons and chemical solvents for industrial customers.
.
Before that, please read the following basic information about doing business with us:
1.security
Safety is our top priority. In addition to providing customers with information about the safe and environmentally friendly use of our products, we are also committed to ensuring that the safety risks of employees and contractors are reduced to a reasonable and feasible minimum. Therefore, we require the customer to ensure that the appropriate unloading and storage safety standards are met before our delivery (please refer to the HSSE appendix in the general terms and conditions of sales below). Our HSSE experts can provide guidance on these standards.
2.Delivery method
Customers can order and deliver products from chemwin, or they can receive products from our manufacturing plant. The available modes of transport include truck, rail or multimodal transport (separate conditions apply).
In the case of customer requirements, we can specify the requirements of barges or tankers and apply special safety/review standards and requirements.
3.Minimum order quantity
If you purchase products from our website, the minimum order quantity is 30 tons.
4.payment
The standard payment method is direct deduction within 30 days from the invoice.
5.Delivery documentation
The following documents are provided with each delivery: