二氧化硅
- CAS编号: 60676-86-0
- 分子式: SiO2
- 分子量: 60.08
- EC号: 262-373-8
- PubChem编号: 24261
规格或纯度 | 单晶衬底, 光学级, 99.99% trace metals basis, L × W × 厚度 10?mm × 10?mm × 0.5?mm |
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英文名称 | Silicon dioxide |
别名 | 石英, 硅石, 砂石, 方石英 |
英文别名 | SILICON DIOXIDE|Silica|Quartz|Dioxosilane|7631-86-9|Silica gel|Cristobalite|14808-60-7|Silicic anhydride|Tridymite|Sand|112945-52-5|61790-53-2|KIESELGUHR|Diatomaceous silica|112926-00-8|Wessalon|Aerosil|Silicon(IV) oxide|Zorbax sil|Silica, amorphous|14464 |
产品介绍 |
应用 SiO 2 因其绝佳的热机械性能而作为基质材料用于一系列的应用,包括: 气相沉积 相沉积 原子力显微镜探针(AFM) 旋涂 电子设备 其他说明 比热 = 0.18 cal/g;热电常数 = 1200μV/°C @ 300 °C;热导率 = 0.0033 cal/cm°C;热膨胀 (x10 -6 ) = α; 11 : 13.71, α 33 : 7.48;Q值 = 1.8 × 10 6 min;音速,SAW = 3160 m/sec; 频率常数,BAW = 1661 kHz/mm;压电耦合 = K 2 BAW: 0.65%, SAW: 0.14% Application SiO 2 is majorly used as a substrate material with excellent thermo-mechanical properties in a variety of applications which include: vapour deposition phase deposition atomic force microscopy probes(AFM) spin coating electronic based devices Other Notes specific heat = 0.18 cal/g; thermoelectric constant = 1200μV/°C @ 300 °C; thermal conductivity = 0.0033 cal/cm°C; themal expansion (x10 -6 ) = α 11 : 13.71, α 33 : 7.48; Q value = 1.8 × 10 6 min; acoustic velocity, SAW = 3160 m/sec; frequency constant, BAW = 1661 kHz/mm; piezoelectric coupling = K 2 BAW: 0.65%, SAW: 0.14% |
EC号 | 262-373-8 |
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IUPAC Name | dioxosilane |
INCHI | InChI=1S/O2Si/c1-3-2 |
InChi Key | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
Canonical SMILES | O=[Si]=O |
RTECS | VV7328000 |
PubChem CID | 24261 |
分子量 | 60.08 |
密度 | 2.6g/mLat 25°C (lit.)2.684g/mL |
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折光率 | 1.544 |
沸点 | 2230°C |
熔点 | 1670°C |
象形图 |
Health Hazard Harmful |
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信号词 | Danger |
危险声明 |
H351: Suspected of causing cancer H373: Causes damage to organs through prolonged or repeated exposure H332: Harmful if inhaled H372: Causes damage to organs through prolonged or repeated exposure H371: May cause damage to organs |
预防措施声明 | P261,P280,P405,P501,P264,P260,P271,P270,P304+P340,P203,P318,P317,P308+P316,P319 |
RTECS | VV7328000 |
个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
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