| MeSH Heading | Silicon Dioxide |
|---|---|
| Tree Number | D01.578.750 |
| Tree Number | D01.650.550.825 |
| Tree Number | D01.837.725 |
| Annotation | note X ref: do not confuse with SILICON; TN 172: differentiation among silic- terms; see MeSH definition for names of common forms of silicon dioxide |
| Scope Note | Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid. |
| Entry Term | Aerosil |
| Entry Term | Aerosil 380 |
| Entry Term | Cristobalite |
| Entry Term | Quso G-32 |
| Entry Term | Quso G32 |
| Entry Term | Sand |
| Entry Term | Silica |
| Entry Term | Tridymite |
| Allowable Qualifiers | AD AE AG AI AN BL CF CH CL CS CT DU EC HI IM IP ME PD PK PO RE SD ST TO TU UR |
| CAS Type 1 Name | Silica |
| Registry Number | 7631-86-9 |
| Online Note | use SILICON DIOXIDE to search SILICA 1966-93 |
| History Note | 94; was SILICA 1963-93 |
| Date of Entry | 19990101 |
| Unique ID | D012822 |
| Return to Entry Page | Link to NLM Cataloging Classification |