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| CAS No.: | 13870-30-9 |
|---|---|
| Name: | Sodium trisilicate |
| Molecular Structure: | |
|
|
|
| Formula: | Na2O7Si3 |
| Molecular Weight: | 242.23 |
| Synonyms: | sodium; oxygen(-2) anion; silicon; sodium;Silicon sodium oxide (Si3Na2O7);Disodium trisilicon heptaoxide; |
| EINECS: | 215-687-4 |
| Density: | 0.7 g/mL at 25 °C |
| Melting Point: | 750 °C |
| Appearance: | powder |
| Hazard Symbols: |
 Xi,  C,  F
|
| Risk Codes: | 36/37/38-34-15-11 |
| Safety: | 26-45-43-36/37/39 |
| Transport Information: | UN 2813 4.3/PG 2 |
| PSA: | 189.57000 |
| LogP: | -2.21160 |
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Chemistry
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IUPAC Name: Sodium; oxygen(2-); silicon; sodium
Canonical SMILES: [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na].[Na+].[Si].[Si].[Si]
InChI: InChI=1S/2Na.7O.3Si/q;+1;7*-2;;;
InChIKey: HKZSDNLDICQODA-UHFFFAOYSA-N
Molecular Weight: 242.23184 [g/mol]
Molecular Formula: Na2O7Si3-13
H-Bond Donor: 0
H-Bond Acceptor: 7
EINECS: 215-687-4
Product Categories: Inorganics
density: 0.7 g/mL at 25 °C
form of Disodium trisilicon heptaoxide (CAS NO.13870-30-9): powder
Safety Profile
Hazard Codes: 
Xi,
C,
F
Risk Statements: 36/37/38-34-15-11
R36/37/38:Irritating to eyes, respiratory system and skin.
R34:Causes burns.
R15:Contact with water liberates extremely flammable gases.
R11:Highly flammable.
Safety Statements: 26-45-43-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S43:In case of fire use ... (there follows the type of fire-fighting equipment to be used.)
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 2813 4.3/PG 2
WGK Germany: 1
Specification
Disodium trisilicon heptaoxide (CAS NO.13870-30-9), its Synonyms are Silicon sodium oxide (Si3Na2O7) ; Silicon sodium oxide (Si3Na2O7) .