Zeosil 45
Silicic acid
CAS: 7699-41-4;1343-98-2;12673-75-5;158296-67-4;245762-04-3;42615-48-5;511311-35-6;68373-08-0;84141-05-9;
Molecular Formula: H2O3Si
Zeosil 45 - Names and Identifiers
Zeosil 45 - Physico-chemical Properties
| Molecular Formula | H2O3Si |
| Molar Mass | 78.1 |
| Melting Point | 1704℃ |
| Appearance | White powder |
| Color | White |
| Storage Condition | Room Temprature |
| Sensitive | Easily absorbing moisture |
| MDL | MFCD00054122 |
| Physical and Chemical Properties | This product is spherical particles, isoelectric pH 4~5 range. |
| Use | Used as an analytical reagent |
Zeosil 45 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37 - Irritating to eyes and respiratory system. |
| Safety Description | S22 - Do not breathe dust. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | VV8853000 |
Zeosil 45 - Upstream Downstream Industry
| Downstream Products | White carbon black |
Zeosil 45 - Nature
Open Data Verified Data
The main component of silica gel is silica, which is a kind of amorphous silica, transparent color. Silicone non-toxic, odorless, acid-resistant, alkali-resistant, solvent-resistant, cooked stability. Do not dissolve in water and any solvent, chemical stability, in addition to strong alkali, hydrofluoric acid and no reaction with any substance. It has the characteristics of large specific surface area, high internal porosity and strong adsorption capacity, and is a kind of highly active adsorption material. The adsorption of moisture in the gas can reach 50% of its own mass. And in the air flow with 60% humidity, the amount of moisture adsorbed by microporous silica gel can also reach 24% of the mass of silica gel. After adsorption of water vapor, silica gel can be regenerated by removing water by cooking desorption. Various types of silica gel form different microporous structures due to different manufacturing methods.
Last Update：2024-01-02 23:10:35
Zeosil 45 - Preparation Method
Open Data Verified Data
adding acid and electrolyte to the sodium silicate solution, reacting with stirring to generate silicic acid gel, and then aging, washing, drying and activating to obtain silica gel. Different raw material ratio and process conditions can produce different specifications of the product.
Last Update：2022-01-01 09:07:00
Zeosil 45 - Introduction
Easily soluble in hydrofluoric acid, soluble in hot potassium hydroxide or sodium hydroxide, insoluble in water or acid. This product is high purity irregular particles of reagent silica gel, chemical stability, insoluble in acid (except hydrofluoric acid), soluble in caustic solution. Mainly used as chemical reagents, tungsten wire processing and mechanical heat treatment flux.
Last Update：2022-10-16 17:28:35
Zeosil 45 - Use
Open Data Verified Data
used as a variety of industrial gas desiccant and equipment, equipment, drugs and food, etc.; In the laboratory, factory workshop and public places as air humidity regulator and environmental relative humidity indicator; it is used as ion exchanger in water treatment industry; It is used for refining and separating products and dehydration and refining of organic products in petrochemical industry; In phthalic anhydride, aniline, maleic anhydride, acrylonitrile and cis-polybutadiene rubber and other chemical products used in the production of catalysts and carriers; In the atmospheric monitoring used as a carrier of toxic gases and chromatographic carriers.
Last Update：2022-01-01 09:07:00
Zeosil 45 - Safety
Open Data Verified Data
silica gel has a strong adsorption capacity, which can produce a drying effect on human skin. Therefore, it should be worn in work clothes. If the silica gel into the eye, need to use a large amount of water to rinse, and seek medical treatment as soon as possible. The workplace should pay attention to ventilation, control the dust content of the workshop is not more than 10 mg/m3. Blue silica gel often contains a small amount of cobalt chloride, should avoid contact with food. Silica gel in the use process application due to the adsorption of water vapor or other organic substances in the medium, the adsorption capacity decreased, can be regenerated by desorption heating after repeated use. Store in a cool and dry place to avoid moisture. It is advisable to control the temperature of desorption heating at 120~180 ℃, and it is advisable to control the temperature at 100~120 ℃ for Blue Gum indicator, color-changing silica gel and blue silica gel.
Last Update：2022-01-01 09:07:01
Zeosil 45 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | This product is used as coagulant, which can enhance coagulation effect in natural water and sewage treatment. It can be used alone or in combination with other hydrolytic coagulants. When used together, can increase the density of suspended solids, accelerate flocculation and flocculation of the precipitation. used as analytical reagent |
| production method | add a certain amount of water glass (SiO2 22.9% ~ 39%, Na2O 8.6% ~ 14.6%) into the reaction kettle, further, a small amount of sulfuric acid was added to fully dissolve under stirring, and then a certain amount of aluminum sulfate (Si/Al molar ratio of 2: 5) was added. Water was added to dilute to 0.5% to 1.0% of the prepared SiO2 content. Fully stirred, static aging 1.5h can be obtained active Silicon flocculant. |
Last Update：2024-04-10 22:29:15
Supplier List
Multiple SpecificationsSpot supply
Product Name: Silicic acid Visit Supplier Webpage Request for quotationCAS: 1343-98-2
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
Multiple SpecificationsSpot supply
Product Name: Silicic acid Visit Supplier Webpage Request for quotationCAS: 1343-98-2
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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