Silica

• Catalog No.: 381276
• CAS Number: 112945-52-5
• M. F.: O2Si
• M. W.: 60.0843
• Purity: 99.8%

SYNONYMS

• Title: 硅胶
• IUPAC name: silanedione
• IUPAC Traditional name: silica
• Synonyms: 气相二氧化硅; Silica, fumed; 无定形二氧化硅; Silicic anhydride; Silicon dioxide; Silicon dioxide amorphous; Silica; 二氧化硅; 氧化硅; 硅酐

DATABASE IDS

• CAS Number: 112945-52-5
• PubChem SID: 24863799
• MDL Number: MFCD00011232

PROPERTIES

• Linear Formula: SiO2
• Purity: 99.8%
• Surface Area: 175-225 m2/g
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: VV7310000
• German water hazard class: 2

DETAILS

Description (English)

Features and Benefits
Has interesting thickening and thixotropic properties, and an enormous external surface area.
Other Notes
Particle sizes are for primary particles, which form branched, chain-like aggregates a few tenths of a micron long.
May contain adsorbed H2O and CO2 which is removable by calcining at >900°C
Packaging
100 g in poly bottle
500 g in poly drum

Description (简体中文)

Features and Benefits
具有令人感兴趣的增稠性、触变性以及巨大的外表面积。
Other Notes
粒径是针对初级粒子，它们形成支链状聚集体，仅长零点几微米。
可能含有吸附的 H2O 和 CO2，可通过 900°C 以上的煅烧来除去
包装
100 g in poly bottle
500 g in poly drum