britesil
Sodium silicate
CAS: 1344-09-8;106985-35-7;11105-00-3;37299-97-1;12013-79-5
Molecular Formula: Na2O3Si
britesil - Names and Identifiers
britesil - Physico-chemical Properties
| Molecular Formula | Na2O3Si |
| Molar Mass | 122.06 |
| Density | 2.33g/mLat 25°C(lit.) |
| Melting Point | 1410°C(lit.) |
| Boling Point | 2355°C(lit.) |
| Water Solubility | very slightly soluble cold H2O [MER06] |
| Solubility | H2O: soluble |
| Appearance | powder |
| Color | Colorless |
| Merck | 13,8751 |
| Storage Condition | -20°C |
| Stability | Stable. Incompatible with acids, most metals, many organic materials. |
| Physical and Chemical Properties | Colorless, pale yellow or blue-gray transparent viscous liquid. soluble in water, alkaline. |
| Use | Mainly used as a binder, detergent, soap filler, soil stabilizer, textile industry dyeing agent, bleaching agent and sizing agent, mineral flotation agent |
britesil - Risk and Safety
| Risk Codes | R11 - Highly Flammable R36/38 - Irritating to eyes and skin. R34 - Causes burns R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R35 - Causes severe burns R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R37 - Irritating to the respiratory system |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S7/9 - S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36 - Wear suitable protective clothing. S27 - Take off immediately all contaminated clothing. |
| UN IDs | UN 2922 8/PG 2 |
| WGK Germany | 2 |
| RTECS | VW0400000 |
| FLUKA BRAND F CODES | 34 |
| HS Code | 28391910 |
| Hazard Class | 8 |
| Packing Group | II |
| Toxicity | LD50 oral in rat: 1960mg/kg |
britesil - Upstream Downstream Industry
britesil - Nature
Open Data Verified Data
Industrial sodium silicate has different properties due to the different ratio of sodium oxide to silica in the molecule. The molecular molar ratio of sodium oxide to silica is referred to as a modulus, and those with a modulus of 3 or more are referred to as neutral water glass, and those with a modulus of 3 or less are referred to as alkaline water glass. Its products are usually divided into solid water glass, hydrated water glass and liquid water glass. Sodium silicate is a colorless, pale yellow or cyan transparent viscous liquid. Soluble in water is alkaline. In case of acid decomposition and precipitation of colloidal precipitation of silicic acid, belonging to the vitreous body material, no fixed melting point, water treatment with a general modulus of 2. 5~3.0.
Last Update：2024-01-02 23:10:35
britesil - Preparation Method
Open Data Verified Data
dry method: the soda ash and silicon are uniformly mixed in a certain proportion and melted. It was dissolved by heating, settled and concentrated. Or sodium sulfate (Glauber's salt), pulverized coal mixed with silica sand reaction. It can also be prepared by mixing Trona, silica sand and pulverized coal in proportion and melting reaction. Wet Method is the liquid caustic soda, silica sand in the reaction kettle heating reaction, the product is filtered and concentrated.
Last Update：2022-01-01 08:52:08
britesil - Use
Open Data Verified Data
as a corrosion inhibitor, silicate was first used in the prevention of domestic water pipeline. After that, the composite formula with silicate as the main corrosion inhibitor was prepared by domestic and foreign researchers, which further improved the corrosion inhibition performance of silicate. Silicate can be on the clean metal surface, can also have rust on the metal surface to form a protective film, but these protective films are porous, so the use of silicate alone is poor corrosion inhibition, silicate often with polyphosphate, organic phosphate, molybdate, zinc salt and other corrosion inhibitors compound, synergistic effect. At present, the development and research of silicon composite agent has become a new development trend. Silicate can not only inhibit the corrosion of steel in cooling water, but also can inhibit the corrosion of non-ferrous metal-aluminum and copper and its alloys, lead, zinc coating, especially suitable for the control of brass. Silicates are effective in preventing CI-attack and can therefore be used in water make-up water or circulating water systems containing high Cl. There are circulating cooling water, the general use of silicate concentration of 40~60mg/L (Sioz), and low 25mg/L. The running pH value of Shengjia was 8.O -9.5. When silicate is used as a corrosion inhibitor, sufficient oxygen must be present in the cooling water for the metal to be effectively protected.
Last Update：2022-01-01 08:52:09
britesil - Safety
Open Data Verified Data
Sodium silicate is low in drugs and has a stimulating effect on the skin and mucous membranes. If fed into the body, can cause Vomit and Diarrhea. Protection should be provided when contacting and using sodium silicate. Containers should be sealed and stored in a well-ventilated warehouse. It is not allowed to be stored and mixed with acid articles.
Last Update：2022-01-01 08:52:09
britesil - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| classification | Sodium silicate is divided into two types, one is sodium metasilicate, chemical formula Na2SiO3, formula amount 122.00. Sodium metasilicate alias "disodium trioxysilicate",CAS number: 6834-92-0. The other is sodium orthosilicate (sodium orthosilicate), chemical formula Na4SiO4, relative molecular mass of 184.04. Sodium silicate is colorless crystals, melting point 1361K(1088 C), rare. Water Glass solution due to hydrolysis and alkaline (slightly stronger than soda ash). Because it is a weak acid salt, hydrochloric acid, sulfuric acid, nitric acid, carbon dioxide can precipitate silicic acid. Storage should be closely to prevent the entry of carbon dioxide, and should be used to prevent the use of rubber plugs to stick to the glass plug. Industrial commonly used soda ash and quartz eutectic preparation of Na2CO3 SiO2 → Na2SiO3 CO2, products often because of ferrous salt with light blue-green. It is used as an inorganic adhesive (which can be mixed with talc powder and the like), soap filler, acid-resistant concrete, and paint for external wall after adding pigment. It is poured into the soil of ancient building foundation to make the soil firm to prevent collapse. Sodium metasilicate is a low molecular weight Crystal prepared by the hydrothermal reaction of ordinary foam alkali and caustic soda. There are anhydrous, pentahydrate and nonahydrate, among which nonahydrate exists only in the market of China, it is an emergency product with low technical content that was developed in an urgent need of sodium metasilicate in the Eighties of the last century. Because its melting point is only 42 ℃, it can easily become liquid or paste when stored, and it is being gradually eliminated, but due to some user habits and some areas of crystal water is not very concerned about, sodium metasilicate nine water or have a certain market. |
| uses | the use of sodium silicate is very extensive, almost throughout all sectors of the national economy. In the chemical system is used to manufacture silica gel, silica, zeolite molecular sieve, pentahydrate sodium metasilicate, silica sol, layer silicon and fast dissolving powder sodium silicate, potassium sodium silicate and other Silicate Products, is the basic raw material of silicon compounds. In economically developed countries, sodium silicate as raw material of deep processing products has been developed to more than 50 kinds, some have been used in high, fine, sharp field of science and technology; In the light industry is the washing powder, soap and other detergents in the indispensable raw materials, but also water softening agent, settling agent; In the textile industry for dyeing, bleaching and sizing; In the machinery industry is widely used in casting, grinding Wheel Manufacturing and metal preservatives, etc.; In the construction industry for the manufacture of fast-drying cement, acid-resistant cement and waterproof oil, soil curing agent, refractory materials, etc.; In agriculture can be manufactured silicon fertilizer; in addition, it can be used as silica-alumina catalyst for petroleum catalytic cracking, filler for soap, adhesive for corrugated paper, high temperature resistant materials such as laboratory crucibles, metal preservatives, water softeners, detergent additives, refractory materials and ceramic raw materials, textile bleaching, dyeing and slurry, mine beneficiation, waterproof, plugging, wood fire prevention, food corrosion and adhesive, etc. used as analytical reagent, fabric fire retardant and adhesive mainly used as raw materials of adhesive, silica gel and silica, filler of soap industry and rubber waterproofing agent used as refractory Binder, furnace spraying Agent, welding powder adhesive. Acid-resistant cement binder, detergent in addition to oil additives, oil mining and tunnel plugging agent, reinforcement agent. And suitable for general use of water glass. It is mainly used as a binder, detergent, soap filler, soil stabilizer, textile industry dyeing agent, bleaching agent and sizing agent, mineral flotation agent, etc. It is mainly used for cleaning agents and synthetic detergents, it is also used as degreasing agent, filler and corrosion inhibitor, etc. It is mainly used as binder for plate paper, wood, electrode, casting, refractory and other aspects, filling material for soap industry, soil stabilizer and rubber waterproofing agent. Also used for paper bleaching, mineral flotation, synthetic detergent. It is a component of inorganic coating, and is also the raw material of silica gel, molecular sieve, precipitated silica and other silicon series products. |
| fast-dissolving sodium silicate powder | fast-dissolving sodium silicate powder is also known as fast-dissolving sodium silicate, sodium silicate hydrate. The product appearance is white, powder, good uniformity. Transportation, storage and use are very convenient, especially suitable for mechanization, automation operation. Widely used in metallurgy, electric power, petrochemical and building materials industry. It is used as a binder, industrial cleaning agent and preservative in monolithic refractory materials, as well as a fast-drying agent and a reinforcing agent in soap making and acid-resistant cement, fine ceramic industry and precision casting industry. Fast dissolving powder sodium silicate products also have all the properties and applications of liquid foam flower alkali. The molecular formula of rapidly dissolving powdery Sodium silicate is Na2O · mSiO2 · nH2O, and the formula is generally between 280 and 350. Compared with anhydrous powdered sodium silicate by mechanical pulverization, the former has many valuable properties, such as water dissolution rate, degree of purity, etc. Fast dissolving powder sodium silicate belongs to fine chemical products, which is made by dry process (Mirabilite Method, soda ash method), through processing such as material, filtration, mold adjustment and spray drying. |
| production method | dry methods include soda ash method, sodium sulfate (mirabilite) method and trona method. Soda ash method is used to mix soda ash and silica sand in a certain proportion, and the melting reaction is carried out at 1400~1500 ℃. The melt is quenched and cooled by water to form a glass frit, which is put into the dissolution tank while it is hot, then steam is introduced to heat and dissolve, and water glass is prepared by sedimentation and concentration. Its SiO2 Na2CO3 → Na2O? nSiO2 CO2 sodium sulfate method first sodium sulfate (Glauber's salt) and pulverized coal are mixed uniformly, and then Silica sand is added. After mixing evenly, it is quickly added to the furnace for reaction, water Glass was prepared by dissolving, precipitating and concentrating. Its 2Na2SO4 2C 2nSiO2 → 2 Na2O? nSiO2 S SO2 δ2co2 ammonia Trona method the natural alkali, silica sand and pulverized coal are mixed according to a certain proportion, and then the adjustment effect of caustic soda slag is added, the mixture is preheated at the top of the furnace for 2~4H and then put into the furnace for reaction. After 3~5h, the melt is generated, and the glass frit formed by cooling is quenched and cooled, water Glass was prepared by concentration. Its Na2CO3 nSiO2 → Na2O? nSiO2 CO2 ↑ 2Na2SO4 2C nSiO2 → Na2O? nSiO2 SO2 δ2co2 μs wet method liquid caustic soda and silica sand are mixed in an appropriate proportion and added to the autoclave for direct steam heating. After the pressure in the autoclave rises to 0.7-0.8 Mpa, the introduction of the steam was stopped, and the pressure was maintained by holding with the jacket steam. The reaction was carried out for several hours, and the reaction was filtered and concentrated to obtain a water glass. Its 2NaO nSiO2 → Na2O? nSiO2 H2O Dry mixing soda ash and silica sand in proportion, melting, cooling, melting, clarification, concentration to a certain concentration, through spray drying, prepared powder sodium silicate. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-09-05 09:03:35
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britesil
苯亚甲基甲胺
己内酰胺工业筛网丝
Chonglouoside Ⅶ
SODIUM BENZOHYDROXAMATE HYDRATE
甲基丙烯酸苄基酯
苝大红
2769-64-4
Abemaciclib
乙烯基甲苯
苯亚甲基甲胺
己内酰胺工业筛网丝
Chonglouoside Ⅶ
SODIUM BENZOHYDROXAMATE HYDRATE
甲基丙烯酸苄基酯
苝大红
2769-64-4
Abemaciclib
乙烯基甲苯
Raw Materials for britesil
Downstream Products for britesil
lithium metasilicate
Sodium metasilicate
sodium metasilicate pentahydrate
Silicon dioxide
Lead(II) chromate
Sodium silicate
Sodium metasilicate
sodium metasilicate pentahydrate
Silicon dioxide
Lead(II) chromate
Sodium silicate