四氯化硅(IV)
Silicon(IV) chloride
CAS: 10026-04-7
Molecular Formula: Cl4Si
四氯化硅(IV) - Names and Identifiers
四氯化硅(IV) - Physico-chemical Properties
| Molecular Formula | Cl4Si |
| Molar Mass | 169.9 |
| Density | 1.483g/mLat 25°C(lit.) |
| Melting Point | −70°C(lit.) |
| Boling Point | 57.6°C(lit.) |
| Flash Point | 57.6°C |
| Water Solubility | reacts |
| Solubility | Miscible with benzene, toluene, chloroform, petroleum ether, carbon tetrachloride, ether and hydrochloric acid. |
| Vapor Presure | 420 mm Hg ( 37.7 °C) |
| Vapor Density | 5.86 (vs air) |
| Appearance | Liquid |
| Specific Gravity | 1.483 |
| Color | Colorless |
| Merck | 14,8500 |
| PH | 1 (5g/l, H2O) |
| Storage Condition | Store below +30°C. |
| Stability | Stability Moisture sensitive - reacts violently with water. Incompatible with water, acids, bases, alcohols, alkali metals, organics, powdered metals. |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.413 |
| Physical and Chemical Properties | Colorless transparent fuming liquid. Has an unpleasant asphyxiating odor. melting point -70 ℃ boiling point 57.57 ℃ relative density 1.483 solubility with benzene, ether, chloroform, petroleum ether, carbon tetrachloride, stannic chloride, titanium tetrachloride, chlorine and sulfur dichloride are miscible in any proportion. |
| Use | For the synthesis of organic Silicon Compounds, Inorganic silicon compounds and the preparation of pure silicon For the preparation of organosilicon compounds and smoke for war |
四氯化硅(IV) - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R34 - Causes burns R40 - Limited evidence of a carcinogenic effect R36/37/38 - Irritating to eyes, respiratory system and skin. R14 - Reacts violently with water R67 - Vapors may cause drowsiness and dizziness R37 - Irritating to the respiratory system R35 - Causes severe burns R20/22 - Harmful by inhalation and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S7/8 - S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S28 - After contact with skin, wash immediately with plenty of soap-suds. S27 - Take off immediately all contaminated clothing. |
| UN IDs | UN 3264 8/PG 2 |
| WGK Germany | 1 |
| RTECS | VW0525000 |
| FLUKA BRAND F CODES | 10-21 |
| TSCA | Yes |
| HS Code | 2812 19 90 |
| Hazard Class | 8 |
| Packing Group | II |
| Toxicity | 四氯化硅能刺激上呼吸道。如不慎溅到皮肤上，10 min后可使皮肤坏死。溅入眼睛可使角膜和眼睑烧伤。在生产操作时，要穿工作服、戴防毒面具和乳胶手套等劳保用品。防止吸入本品和皮肤接触。生产设备要密闭，以免四氯化硅气体逸出。车间要通风良好。 |
四氯化硅(IV) - Upstream Downstream Industry
| Downstream Products | Tetramethyl orthosilicate Phenyltrichlorosilane Silicon(IV) chloride White carbon black |
四氯化硅(IV) - Nature
Open Data Verified Data
colorless transparent liquid. Irritating odor, easy to deliquescence. Melting Point -70 °c I Boiling Point 57.6 °c. Soluble in benzene, chloroform, petroleum ether and other most organic solvents.
Last Update：2024-01-02 23:10:35
四氯化硅(IV) - Preparation Method
Open Data Verified Data
ferrosilicon chloride method: first, Ferrosilicon is added into the chlorination furnace, and then heated to about 300 ° C. 5 m3/h chlorine gas was introduced into the reaction to produce silicon tetrachloride, and after condensation, crude silicon tetrachloride was obtained. Antimony powder (0.05% by weight based on the weight of silicon tetrachloride) was added to the crude silicon tetrachloride for distillation, and the mixture was refluxed for 30min, and then a fraction of 56 to 59 ° C. Was taken to obtain a commercial grade silicon tetrachloride product. High-purity silicon tetrachloride can be obtained by further rectification of technical grade silicon tetrachloride and reflux for a long time.
Last Update：2022-01-01 11:00:07
四氯化硅(IV) - Use
Open Data Verified Data
silicon tetrachloride is a by-product of the production of high-purity silicon. It is not only the main raw material for the production of optical fiber preform, but also the main raw material for inorganic silicon, silicone, rubber industry, used in electronics, aviation, precision casting and other fields.
Last Update：2022-01-01 08:53:34
四氯化硅(IV) - Safety
Open Data Verified Data
- This product is toxic, inhalation, swallowing or absorption through the skin caused by poisoning. Strong irritation to the skin, eyes, mucous membranes and other tissues. The equipment shall be closed during production and operation, and the operator shall wear protective equipment to avoid direct contact. The operating site should be well ventilated.
- The container was packed with glass container, covered with wooden box, and sealed with plaster. And indicate "corrosion", 25kg per pot. Hazardous materials shall be stored and transported according to regulations.
Last Update：2022-01-01 10:54:15
四氯化硅(IV) - Introduction
Silicon(IV) chloride(SiCl4) is a colorless liquid with a pungent odor. The following is a description of the nature, use, formulation and safety information of Silicon(IV) chloride:
Nature:
1. Silicon(IV) chloride is a highly volatile liquid that evaporates rapidly at room temperature.
2. It has a higher density than water and is insoluble in water even under high pressure.
3. Silicon(IV) chloride is a strong acidic substance that can react with water to generate silicic acid and hydrogen chloride.
4. It can be dissolved in organic solvents, such as ethanol and ether.
Use:
1. Silicon(IV) chloride is an important raw material for the preparation of high purity Silicon. Vapor deposition (CVD) of Silicon(IV) chloride can be used to prepare semiconductor materials and optical fibers.
2. It can also be used as a catalyst for organic synthesis reactions, such as for the synthesis of silica and organic compounds containing silicon.
3. Silicon(IV) chloride is also widely used in industrial fields such as surface treatment, coating, cleaning agent and catalyst.
Preparation Method:
Silicon(IV) chloride is mainly prepared by reacting Silicon Metal with chlorine gas. The reaction conditions are generally carried out at elevated temperature and relatively low pressure. The reaction equation is as follows:
Si 2Cl2 -> SiCl4
Safety Information:
1. Silicon(IV) chloride is a corrosive substance, and care should be taken to avoid contact with skin and eyes.
2. When using Silicon(IV) chloride, it should be equipped with good ventilation equipment, and wear appropriate protective gloves, goggles and protective clothing.
3. Do not inhale Silicon(IV) chlorine vapor or mist, and keep the operating area well ventilated.
4. Silicon(IV) chloride produces a violent reaction in water. Please avoid contact with water.
5. Keep Silicon(IV) chloride away from water and other incompatible substances.
Please note that Silicon(IV) chloride is a hazardous chemical and should be used in accordance with relevant safety procedures and under appropriate experimental conditions.
Nature:
1. Silicon(IV) chloride is a highly volatile liquid that evaporates rapidly at room temperature.
2. It has a higher density than water and is insoluble in water even under high pressure.
3. Silicon(IV) chloride is a strong acidic substance that can react with water to generate silicic acid and hydrogen chloride.
4. It can be dissolved in organic solvents, such as ethanol and ether.
Use:
1. Silicon(IV) chloride is an important raw material for the preparation of high purity Silicon. Vapor deposition (CVD) of Silicon(IV) chloride can be used to prepare semiconductor materials and optical fibers.
2. It can also be used as a catalyst for organic synthesis reactions, such as for the synthesis of silica and organic compounds containing silicon.
3. Silicon(IV) chloride is also widely used in industrial fields such as surface treatment, coating, cleaning agent and catalyst.
Preparation Method:
Silicon(IV) chloride is mainly prepared by reacting Silicon Metal with chlorine gas. The reaction conditions are generally carried out at elevated temperature and relatively low pressure. The reaction equation is as follows:
Si 2Cl2 -> SiCl4
Safety Information:
1. Silicon(IV) chloride is a corrosive substance, and care should be taken to avoid contact with skin and eyes.
2. When using Silicon(IV) chloride, it should be equipped with good ventilation equipment, and wear appropriate protective gloves, goggles and protective clothing.
3. Do not inhale Silicon(IV) chlorine vapor or mist, and keep the operating area well ventilated.
4. Silicon(IV) chloride produces a violent reaction in water. Please avoid contact with water.
5. Keep Silicon(IV) chloride away from water and other incompatible substances.
Please note that Silicon(IV) chloride is a hazardous chemical and should be used in accordance with relevant safety procedures and under appropriate experimental conditions.
Last Update：2024-04-09 15:16:34
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CAS: 10026-04-7
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