1.00656

Silicic acid

precipitated extra pure heavy

• 別名: Silicic acid
• 実験式（ヒル表記法）: O₂Si · xH₂O
• CAS番号: 10279-57-9
• 分子量: 60.08 (anhydrous basis)
• MDL番号: MFCD00011232
• UNSPSCコード: 12352308
• EC Index Number: 231-545-4
• NACRES: NB.21

特性

• 品質水準: 200
• アッセイ: ≥99% SiO₂ basis (calculated on ignited on substance, gravimetric)
• フォーム: solid
• 有効性: >10000 mg/kg LD₅₀, oral (Rat); >5000 mg/kg LD₅₀, skin (Rabbit)
• 不純物: ≤1% With hydrofluoric acid non volatile matter (as sulfate, ignited basis)
• 損失: 10-20% loss on ignition, 1000 °C
• mp: 1710 °C
• 溶解性: water: insoluble at 20 °C
• 密度: 2-6 g/cm³ at 20 °C
• かさ密度: 60‑600 kg/m³
• 微量陰イオン: chloride (Cl^-): ≤0.05%
• 微量陽イオン: Fe: ≤0.03%; heavy metals (as Pb): ≤0.005%
• アプリケーション: sample preparation
• 保管温度: 2-30°C
• SMILES記法: [Si](=O)=O
• InChI: 1S/O2Si/c1-3-2
• InChI Key: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

詳細

アナリシスノート

Identity: passes test
Assay (gravimetric, SiO₂, calc. on ignited substance): ≥ 99 %
Chloride (Cl): ≤ 0.05 %
Heavy metals (as Pb): ≤ 0.005 %
Fe (Iron): ≤ 0.03 %
With hydrofluoric acid non volatile matter (as sulfate, ignited basis): ≤ 1 %
Loss on ignition (1000 °C): 10 - 20 %
Particle size (< 0.1 mm): about 99 %
Bulk density: 20 - 60 g/100 ml

安全性情報

• 保管分類コード: 13 - Non Combustible Solids
• WGK: nwg
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable