22141

Terra de diatomáceas, fluxo calcinado

filter aid, acid washed, treated with sodium carbonate, flux calcined

• Sinônimo(s): Diatomaceous earth, flux-calcined
• Número CAS: 68855-54-9
• Número MDL: MFCD00132803
• Código UNSPSC: 11101527
• ID de substância PubChem: 329752267
• NACRES: SB.54

Propriedades

• Nível de qualidade: 100
• Formulário: powder
• qualidade: acid washed; flux calcined; treated with sodium carbonate
• composição: Al₂O₃, 4.0% ; CaO, 0.5% ; Fe₂O₃, 1.3% ; Na₂O + K₂O, 3.3% ; SiO₂, 89.5%
• perda: ~0.3% loss on ignition, 900 °C
• tamanho de partícula: ≤113 μm (82% (acc. to Cilas))
• pH: <7 (25 °C, 10% in aq. suspension)
• cadeia de caracteres SMILES: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• chave InChI: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Descrição

Descrição geral

Diatomaceous earth is made up of natural amorphous silica formed from the fossilized skeletons of diatoms. It is extracted, crushed, dried and calcined with flux material. DE is widely used as filler in construction materials, paints and as an anti-caking agent for agricultural chemicals. It has high water and oil absorption ability.

Aplicação

Diatomaceous earth may be used as an adsorbent for column chromatography.

Atenção

Not Intended for cGMP Parenteral Pharmaceutical Manufacturing

Informações legais

Celite is a registered trademark of Imerys Minerals California, Inc.

Informações de segurança

• Pictogramas: GHS08
• Palavra indicadora: Danger
• Frases de perigo: H372
• Declarações de precaução: P260 - P264 - P270 - P314 - P501
• Classificações de perigo: STOT RE 1 Inhalation
• Órgãos-alvo: Lungs
• Código de classe de armazenamento: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable