oxo[(oxoalumanyl)oxy]alumane; silanedione

• ChemBase ID: 134504
• Molecular Formular: Al2H2O5Si
• Molecular Mass: 164.061456
• Monoisotopic Mass: 163.93022696
• SMILES: O=[AlH]O[AlH]=O.O=[Si]=O
• Canonical SMILES: O=[AlH]O[AlH]=O.O=[Si]=O
• InChI: InChI=1S/2Al.O2Si.3O/c;;1-3-2
• InChIKey: HNPSIPDUKPIQMN-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: oxo[(oxoalumanyl)oxy]alumane; silanedione
• IUPAC Traditional name: aluminium oxide; silica
• Synonyms: Silica-alumina catalyst support, grade 135; Fiberfrax®; Aluminum silicate; Catalyst (Aluminum pillared clay); Montmorillonite (Aluminum Pillared Clay); silicic anhydride, alumina doped preparation; Silicon dioxide, alumina doped; Aluminosilicate, mesostructured; Aluminum silicate; Kaolinite; Mullite; Mullite (lattice spacing, other parameters); 硅铝催化剂载体，135 级; 硅酸铝; 催化剂（铝柱撑粘土）; 蒙脱土（铝柱撑粘土）; 硅酸酐，氧化铝掺杂型 制备; 二氧化硅，氧化铝掺杂型; 介孔结构的硅铝酸盐; 硅酸铝; 高岭石; 莫来石; 莫来石（晶格间距，其他参数）

Database IDs

• CAS Number: 1318-02-1; 37287-16-4; 1335-30-4; 139264-88-3; 1302-93-8; 7631-86-9; 1318-74-7
• EC Number: 215-283-8; 215-286-4; 215-113-2
• MDL Number: MFCD00077645; MFCD06202255
• PubChem SID: 24845517; 24845918; 24886028; 162228780; 24883284; 24892215; 24883249; 24883287; 24861150; 24879906
• PubChem CID: 9942228

CALCULATED PROPERTIES

• H Acceptors: 2
• H Donor: 0
• LogD (pH = 5.5): 2.4684
• LogD (pH = 7.4): 2.4684
• Log P: 2.4684
• Molar Refractivity: 4.236 cm^3
• Polarizability: 6.522983 Å^3
• Polar Surface Area: 43.37 Å^2
• Rotatable Bonds: 2
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: dispersion; fibers; nanoparticles; powder
• Flash Point: >110 °C; >230 °F
• Density: 1.087 g/mL at 25 °C
• Conductivity: <1 mS/cm
• pH: 4-5; 5-6(neat)

Safety Information

• RTECS: ZG6800000
• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 3; nwg
• Risk Statements: 36/37/38; 41
• Safety Statements: 26-36; 26-39
• GHS Pictograms: GHS05; GHS07
• GHS Signal Word: Danger; Warning
• GHS Hazard statements: H315-H319-H335; H318; H319-H335
• GHS Precautionary statements: P261-P305 + P351 + P338; P280-P305 + P351 + P338
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves; Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

Product Information

• Purity: 99.99% trace metals basis
• Concentration: 10 wt. % in H2O; 20 wt. % in H2O
• Grade: BCR® certified Reference Material; technical
• Particle Size: <50 nm; <50 nm (BET); 1.56 μm (avg.)
• Pore Size: 0.56 cm3/g pore volume; 1.0 cm3/g pore volume; 2.03 cm3/g pore volume; 2.5-3 nm pore size; 6.7 nm pore size
• Compostion: aluminum, ~1.83%; aluminum, ~3%; aluminum, 3.0% (mol); aluminum, 7.5 wt. %
• Impurities: asbestos, none detected
• Contains: 5-10 wt. % alumina as dopant
• Surface Area: 250 m2/g; BET surf. area 479 m2/g; spec. surface area 605 m2/g (BET); spec. surface area 75.5 m2/g (BET); spec. surface area 940-1000 m2/g (BET)
• Loss on Drying: 12-19% loss on ignition; 4-8% loss on drying
• Quality Level: ELITE
• Quality: natural
• Unit cell size: 4.6-4.8 nm
• Linear Formula: (SiO2)x(Al2O3)y; Al2O3 · 2SiO2 · 2H2O
• Empirical Formula (Hill Notation): Al2O3 · SiO2

DETAILS

Sigma Aldrich - 643653

Application
Adsorbent, acid catalyst, catalyst support, nanoscale template
Formula variant
(SiO2)0.9875(Al2O3)0.0125--·xH2O
Packaging
5, 25 g in glass bottle

Sigma Aldrich - 343358

Packaging
1 kg in poly bottle
25 g in poly bottle
5 kg in fiber drum

Sigma Aldrich - 701491

General description
Contains 0.025 wt. % Ammonium hydroxide.
Packaging
25, 100 mL in poly bottle

Sigma Aldrich - 643629

Application
Adsorbent, acid catalyst, catalyst support, nanoscale template
Formula variant
(SiO2)0.9875(Al2O3)0.0125·xH2O
Packaging
5, 25 g in glass bottle

Sigma Aldrich - 643084

Features and Benefits
No dispersant added

Sigma Aldrich - 69907

Application
catalyst for alkylation reactions and form selective catalysis
Other Notes
Acidic catalyst1
Packaging
25, 100 g in poly bottle

Sigma Aldrich - BCR301RM

Legal Information
BCR is a registered trademark of European Commission

Sigma Aldrich - 06417

Analysis Note
classification-temperature: 1420°C (the classification-temperature has been detected by irreversible, linear change, not by melting point)
Legal Information
Fiberfrax is a registered trademark of Unifrax Corp.