Basic information
- Standard SMILES
O=[Si]([O-])[O-].[Mg+2]- InChIKey
FKHIFSZMMVMEQY-UHFFFAOYSA-N- Molecular formula
- MgO3Si
- Average molar mass
- 100.39 g/mol
- Monoisotopic mass
- 99.94671209
Names & identifiers
- Preferred name
- MAGNESIUM SILICATE (synthetic)
- IUPAC
- magnesium dioxido(oxo)silane
- English name
- magnesium silicate
- Molecular formula
- H2O3Si.Mg
- Molecular weight
- 102.4
Names & synonyms
Magnesium silicate (synthetic)RefChem:8005771343-90-4 (Magnesium silicate hydrate)Magnesium metasilicateMagnesium metasilicate (MgSiO3)magnesium;dioxido(oxo)silane13776-74-48014-97-9Silicic acid (H2SiO3), magnesium salt (1:1)MFCD000782495Y27LXN39TMagnesium silicate (Mg(SiO3))
Show more names
ClinoenstatiteMagnesiumsilicatMetasilicic acid magnesium salt
Florisil <200 mesh, fine powder63210-56-0MgO3SiUNII-5Y27LXN39TMagnesium silicate (MgSiO3)Florisil(R)Magnesol(R)Magnesium silicon oxide (MgSiO3)
Database identifiers
- CAS
13776-74-4、63210-56-0、8014-97-9- PubChem CID
- 61680
- DTXSID
DTXSID70893966- UNII
- 5Y27LXN39T
- EC Number
- 613-181-1
Properties
Computed structural properties
- Topological polar surface area
- 63.2 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 0
- Heavy atoms
- 5
- Formal charge
- 0
- Complexity
- 18.8
Experimental & physicochemical properties
Chemical ClassesMetals -> Metals, Inorganic Compounds
SpringerMaterials Propertiesthermal expansion coefficient
Physical Description
Other Solid; Dry Powder
White solid; [Merck Index] Green or brown odorless flakes; [Alfa Aesar MSDS]
Physicochemical properties
- Density
- 425 · d425 3.192
- solubility
- 2 O; · insoluble in H2O; slightly soluble in HF
- form
- white monoclinic crystals
- color
- white monoclinic crystals, crystalline
- FDA UNII
- 5 Y27LXN39T · 5Y27LXN39T
- EPA Substance Registry System
- Silicic acid (H2SiO3), magnesium salt (1:1) (13776-74-4)
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 302 · H302-H315-H319-H335
- Precautionary statements
- 261 · P261-P280-P301+P312-P302+P352-P305+P351+P338
- TSCA
- TSCA listed
Safety & regulation
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 100% (114 of 114) of all reports.
Not Classified
Aggregated GHS information provided per 114 reports by companies from 1 notifications to the ECHA C&L Inventory.
Hazard information
Regulatory Information
Chemical: Silicic acid (H2SiO3), magnesium salt (1:1)
Silicic acid (H2SiO3), magnesium salt (1:1) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Silicic acid (H2SiO3), magnesium salt (1:1) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
Silicic acid (H2SiO3), magnesium salt (1:1): 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.
Magnesium oxide (MgO), mixt. with silica: Does not have an individual approval but may be used under an appropriate group standard
Other Safety InformationIMAP assessments - Silicic acid (H2SiO3), magnesium salt (1:1): Human health tier I assessment
Hazards SummaryAn irritant; Harmful by inhalation; [Alfa Aesar MSDS] See Magnesium silicate.
Hazard Classes and CategoriesNot Classified
Safety data
- tsca
- TSCA listed
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- Hazard statements
- H302-H315-H319-H335
- Precautionary statements
- P261-P280-P301+P312-P302+P352-P305+P351+P338
Chemistry & industry
Uses & manufacturing
UsesFound as the minerals clinoenstatite, enstatite, and protoenstatite; [Merck Index] Permitted for use as an inert ingredient in non-food pesticide products; [EPA]
U.S. Production2023: 141,438 lb
Industry UsesOther
Use ClassificationFood Additives -> ANTICAKING_AGENT; FILTERING_AID -> JECFA Functional Classes
General Manufacturing Information
Miscellaneous Manufacturing
Silicic acid (H2SiO3), magnesium salt (1:1): ACTIVE
Suppliers3 total
青岛海智微元生物科技有限公司18317699790 18317699790 · [email protected]
Shaanxi Didu New Materials Co. Ltd+86-86-17392712779 +86-13289823923 · [email protected]
DAYANG CHEM (HANGZHOU) CO.,LTD+86-88938639 +86-17705817739 · [email protected]
Related reactions
126 records
Linked notes
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