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Descriptor in English: Silicon Dioxide
Descriptor in Spanish: Dióxido de Silicio
Descriptor in Portuguese: Dióxido de Silício
Descriptor in French: Silice
Entry term(s): 380, Aerosil
Aerosil
Aerosil 380
Cristobalite
Dioxide, Silicon
G32, Quso
Quso G 32
Quso G-32
Quso G32
Silica
Tridymite
Tree number(s): D01.578.750
D01.650.550.825
D01.837.725
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.
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
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AG agonists
AI antagonists & inhibitors
AN analysis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
EC economics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UR urine
Online Note: use SILICON DIOXIDE to search SILICA 1966-93
History Note: 94; was SILICA 1963-93
DeCS UI: 31916
Descriptor UI: D012822
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2014/06/13
Silicon Dioxide - Preferred
Concept UI M0019851
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.
Preferred term Silicon Dioxide
Entry term(s) Cristobalite
Dioxide, Silicon
Silica
Tridymite
Quso G-32 - Narrower
Concept UI M0373215
Preferred term Quso G-32
Entry term(s) G32, Quso
Quso G 32
Quso G32
Aerosil - Narrower
Concept UI M0373216
Preferred term Aerosil
Entry term(s) 380, Aerosil
Aerosil 380



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