Metakieselsure
Metasilicic acid
Daten werden ergänzt – lade die Seite später neu, um den aktuellen Stand zu sehen
Grundinformationen
- CAS
1343-98-2- Standard-SMILES
O=[Si](O)O- InChIKey
IJKVHSBPTUYDLN-UHFFFAOYSA-N- Summenformel
- H2O3Si
- Durchschnittliche Molmasse
- 78,099 g/mol
- Monoisotopische Masse
- 77,97732045
Überblick
See also: Silicate (annotation moved to).
Namen und Bezeichner
- Bevorzugter Name
- Metasilicic acid
- IUPAC
- dihydroxy(oxo)silane
- Lokaler Name
- Metakieselsure
- Englischer Name
- Silicic acid
- Summenformel
- H2O3Si
- Molmasse
- 78.1
Namen und Synonyme
Metasilicic acid7699-41-4Bio-SilSilicic acid (H2SiO3)Acidum silicicumKieselsaureKieselsaure [German]UNII-4OI8D3YOH1EINECS 231-716-34OI8D3YOH1METASILICIC ACID [MI]DTXSID30872499
Weitere Namen anzeigen
HYDRATED SILICAPRECIPITATED SILICASilicicSILICA ACIDKieselsremetasilicicKieselsre,E551metasilicicaci
RefChem:156809DTXCID0032362231-716-3(H2SiO3)n-(-Si(OH)2O-)-nCHEBI:29379dihydroxy(oxo)silaneH2O3Si
Datenbank-Bezeichner
- CAS
1343-98-2、7699-41-4- PubChem CID
- 14768
- DTXSID
DTXSID30872499- UNII
- 4OI8D3YOH1
- EC Number
- 231-716-3
- Nikkaji
- J215.993G
Eigenschaften
Berechnete StruktureigenschaftenWird ergänzt
- Polarare Oberfläche (TPSA)
- 57,5 Ų
- H-Brücken-Donoren
- 2
- H-Brücken-Akzeptoren
- 3
- Frei drehbare Bindungen
- 0
- Schwere Atome
- 4
- Formalladung
- 0
- Komplexität
- 26,3
Physikochemische Eigenschaften
- Schmelzpunkt
- 1704 ℃ · 1704℃
- Löslichkeit
- 2 O; · insoluble in H2O; soluble in HF
- Aggregatzustand
- powder
- Farbe
- White
- PH
- 1 · pKa1= 9.65, pKa2 = 13.09(25℃)
- Dielectric constant
- 2 · 2.0(Ambient)
- InChI
- 1S/H2O3Si/c1-4(2)3/h1-2H
- InChIKey
- IJKVHSBPTUYDLN-UHFFFAOYSA-N
- SMILES
- O[Si](O)=O
- CAS Datenbank
- 7699 · 7699-41-4(CAS DataBase Reference)
- EPA chemische Informationen
- Silicic acid (H2SiO3) (7699-41-4)
Sicherheit und Regulatorisches
Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
GHS-Klassifizierung
GHS Classification
This chemical does not meet GHS hazard criteria for 4.8% (5 of 105) of reports.
Warning
H319 (90.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P261, P264+P265, P271, P280, P304+P340, P305+P351+P338, P319, P337+P317, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 105 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Gefahrenhinweise
Regulatory Information
Chemical: Silicic acid (H2SiO3)
Silicic acid (H2SiO3): Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Other Safety InformationIMAP assessments - Silicic acid (H2SiO3): Human health tier I assessment
Hazard Classes and CategoriesEye Irrit. 2 (90.5%)
Sicherheitsdaten
- OEB
- B
- OEL
- TWA: 6.0 mg/m3
- wgk
- 3
- tsca
- TSCA listed
- RTECS-Nr.
- VV8853000
- risk_code
- 36/37
- hazard_code
- Xi
- safety_code
- 22-26-36
- Speicherklasse
Chemie und Industrie
Verwendung und Herstellung
General Manufacturing InformationSilicic acid (H2SiO3): ACTIVE
Anwendungen
BeschreibungSilicic acid is the general name that refers to the group of chemical compounds of the element hydrogen, silicon, and oxygen with the formula [SiOx(OH)4-2x]n. H4SiO4 is the most predominant form. Silicic acid is a hydrated form of silicon dioxide. It belongs to the family of Miscellaneous Silicates. These are inorganic compounds in which the largest metallic oxoanion is silicate, to which either no atom or a non metal atom is bonded. Silicic acid is contained in many foods, such as grain, fruit and vegetables (borage). It is commonly used in the manufacture of toothpastes and as a stationary phase for chromatography.It is utilized for the manufacture catalyst and catalyst carrier. It is involved in tungsten filament production as chemical reagent and flux. Further, it is used for oil and wax decoloring.
VerwendenSilicic acid is used in protein chromatography. Silicic acid has been used in a study to demonstrate the anti-biofilm potential of a glycolipid surfactant produced by a tropical marine strain of Serratia marcescens. Silicic acid has also been used to study the antioxidant activity of fresh and processed Jalapeno and Serrano peppers.
Vor- und nachgelagerte Produkte
Vorgelagerte Rohstoffe
Nachgelagerte Produkte
Ergänzende Hinweise
Zugehörige Reaktionen
6
Notizen zur Verbindung
Wird geladen…