Silicon dioxide

Modify Date: 2024-01-02 08:51:00

Silicon dioxide Structure
Silicon dioxide structure
Common Name Silicon dioxide
CAS Number 61790-53-2 Molecular Weight 60.084
Density 0.47 g/cm3 (loose weight)(lit.) Boiling Point 2200ºC
Molecular Formula O2Si Melting Point 1400-1650ºC
MSDS Chinese USA Flash Point N/A
Symbol GHS07
GHS07
Signal Word Warning

 Use of Silicon dioxide


Celite can be used as an excipient, such as filter media, adsorbent. Pharmaceutical excipients, or pharmaceutical auxiliaries, refer to other chemical substances used in the pharmaceutical process other than pharmaceutical ingredients. Pharmaceutical excipients generally refer to inactive ingredients in pharmaceutical preparations, which can improve the stability, solubility and processability of pharmaceutical preparations. Pharmaceutical excipients also affect the absorption, distribution, metabolism, and elimination (ADME) processes of co-administered drugs[1].

 Names

Name diatomaceous earth
Synonym More Synonyms

 Silicon dioxide Biological Activity

Description Celite can be used as an excipient, such as filter media, adsorbent. Pharmaceutical excipients, or pharmaceutical auxiliaries, refer to other chemical substances used in the pharmaceutical process other than pharmaceutical ingredients. Pharmaceutical excipients generally refer to inactive ingredients in pharmaceutical preparations, which can improve the stability, solubility and processability of pharmaceutical preparations. Pharmaceutical excipients also affect the absorption, distribution, metabolism, and elimination (ADME) processes of co-administered drugs[1].
Related Catalog
References

[1]. Elder DP, et al. Pharmaceutical excipients - quality, regulatory and biopharmaceutical considerations. Eur J Pharm Sci. 2016 May 25;87:88-99.  

 Chemical & Physical Properties

Density 0.47 g/cm3 (loose weight)(lit.)
Boiling Point 2200ºC
Melting Point 1400-1650ºC
Molecular Formula O2Si
Molecular Weight 60.084
Exact Mass 59.966755
PSA 34.14000
Stability Stable. Incompatible with strong acids
Water Solubility insoluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VV7311000
CHEMICAL NAME :
Silica, amorphous - diatomaceous earth
CAS REGISTRY NUMBER :
61790-53-2
LAST UPDATED :
199712

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H319-H335
Precautionary Statements P261-P305 + P351 + P338
Hazard Codes Xn:Harmful;
Risk Phrases R36/37;R48/20
Safety Phrases S26-S39
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS VV7311000
HS Code 3802900090

 Customs

HS Code 3802900090

 Articles33

More Articles
Seawater ultrafiltration: role of particles on organic rejections and permeate fluxes.

Environ. Technol. 34(17-20) , 2553-61, (2013)

The role of natural compounds of seawater and added particles on mechanisms of membrane fouling and organic matter rejection has been investigated. Ultrafiltration (100 kDa) has been conducted in both...

Removal of aniline and phenol from water using raw and aluminum hydroxide-modified diatomite.

Water Sci. Technol. 67(7) , 1620-6, (2013)

The feasibility of using raw diatomite and aluminum hydroxide-modified diatomite (Al-diatomite) for removal of aniline and phenol from water was investigated. Their physicochemical characteristics suc...

[Preparation and applications of a supported liquid-liquid extraction column with a composite diatomite material].

Se Pu 30(8) , 798-803, (2012)

A rapid and special supported liquid-liquid extraction (SLE) column was developed with a composite diatomite material. The SLE column was evaluated by high performance liquid chromatography (HPLC) wit...

 Synonyms

Dioxosilane
diatomite
EINECS 293-303-4
MFCD00132803
Cristobalite
Diatomaceous earth, Diatomaceous silica, Kieselguhr
Silane, dioxo-
Celite S Filter Aid
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