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| CAS No.: | 14808-60-7 |
|---|---|
| Name: | Silicon dioxide |
| Article Data: | 122 |
| Molecular Structure: | |
|
|
|
| Formula: | O2Si |
| Molecular Weight: | 60.0843 |
| Synonyms: | Quartz [Silica, crystalline];Quartz dust;Silica, crystalline quartz;Silica, crystalline, quartz;Silica, crystalline: quartz;Silicates (<1% crystalline silica):Graphite, natural;Quartz (SiO2);Silica, crystalline - quartz; |
| EINECS: | 238-878-4 |
| Density: | 2.6 g/mL at 25 °C(lit.) |
| Melting Point: | 1610 °C(lit.) |
| Boiling Point: | 2230 °C |
| Solubility: | insoluble in water |
| Appearance: | granular abrasive solid of varied colour |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 36/37/38-48/20 |
| Safety: | 26-24/25-22 |
| PSA: | 34.14000 |
| LogP: | -0.61840 |
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Specification
Quartz is silicon dioxide, SiO2. Quartz is abundant in the Earth's crust, being the chemically simplest form of the silicates. It appears in many forms. Quartz is the most common mineral found on the surface of the Earth. A significant component of many igneous, metamorphic and sedimentary rocks, this natural form of silicon dioxide is found in an impressive range of varieties and colours. With the cas number 14808-60-7, there are many different varieties of quartz, several of which are semi-precious gemstones. Synthetic quartz is produced for use in industry.
When you are using this chemical, please be cautious about it as the following:
1. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice;
2. Avoid contact with skin and eyes;
3. Do not breathe dust;
You can still convert the following datas into molecular structure::
(1)InChI=1S/O2Si/c1-3-2;
(2)InChIKey=VYPSYNLAJGMNEJ-UHFFFAOYSA-N;
(3)Smiles[Si](=O)=O;
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| dog | LDLo | intravenous | 20mg/kg (20mg/kg) | Biochemical Journal. Vol. 27, Pg. 1007, 1933. | |
| human | LCLo | inhalation | 300ug/m3/10Y- (.3mg/m3) | LIVER: OTHER CHANGES | Annals of the New York Academy of Sciences. Vol. 271, Pg. 324, 1976. |
| human | TCLo | inhalation | 16mppcf/8H/17 (16mppcf) | LUNGS, THORAX, OR RESPIRATION: COUGH LUNGS, THORAX, OR RESPIRATION: DYSPNEA LUNGS, THORAX, OR RESPIRATION: "FIBROSIS, FOCAL (PNEUMOCONIOSIS)" | National Technical Information Service. Vol. PB246-697, |
| mouse | LD | intratracheal | > 20mg/kg (20mg/kg) | American Review of Respiratory Disease. Vol. 141(Suppl), Pg. A3-A937, 1990. | |
| mouse | LD | intratracheal | > 20mg/kg (20mg/kg) | LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | American Review of Respiratory Disease. Vol. 141(Suppl), Pg. A3-A937, 1990. |
| mouse | LDLo | intravenous | 40mg/kg (40mg/kg) | Journal of the National Cancer Institute. Vol. 1, Pg. 241, 1940. | |
| rat | LDLo | intratracheal | 200mg/kg (200mg/kg) | LUNGS, THORAX, OR RESPIRATION: "FIBROSIS, FOCAL (PNEUMOCONIOSIS)" | British Journal of Industrial Medicine. Vol. 10, Pg. 9, 1953. |
| rat | LDLo | intravenous | 90mg/kg (90mg/kg) | Journal of the National Cancer Institute. Vol. 57, Pg. 509, 1976. |