Tris(trimethylsilyl)phosphate
![]() |
- $13 - $190
- Product name: Tris(trimethylsilyl)phosphate
- CAS: 10497-05-9
- MF: C9H27O4PSi3
- MW: 314.54
- EINECS:234-028-1
- MDL Number:MFCD00008267
- Synonyms:Phosphoric acid, TMS;Phosphoric acid, tristrimethylsilyl;Phosphoric acid, triTMS;Silanol,trimethyl-,phosphate(3:1) ;trimethyl-silanophosphate(3:1) ;Tris-(trimethylsilyl)fosfat;PHOSPHORIC ACID TRIS(TRIMETHYLSILYL) ESTER;TIMTEC-BB SBB001292
7 prices
Selected condition:
Brand
- Ambeed
- Sigma-Aldrich
- TCI Chemical
Package
- 5g
- 10g
- 25g
- 1 unit
- ManufacturerAmbeed
- Product numberA962485
- Product descriptionTris(trimethylsilyl) Phosphate 97%
- Packaging5g
- Price$13
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA962485
- Product descriptionTris(trimethylsilyl) Phosphate 97%
- Packaging10g
- Price$23
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA962485
- Product descriptionTris(trimethylsilyl) Phosphate 97%
- Packaging25g
- Price$46
- Updated2021-12-16
- Buy
- ManufacturerSigma-Aldrich
- Product number275794
- Product descriptionTris(trimethylsilyl) phosphate ≥98%
- Packaging5g
- Price$80.7
- Updated2025-07-31
- Buy
- ManufacturerSigma-Aldrich
- Product number935638
- Product descriptionTris(trimethylsilyl) phosphate ≥99.0%, anhydrous, battery grade
- Packaging1 unit
- Price$190
- Updated2025-07-31
- Buy
- ManufacturerTCI Chemical
- Product numberP1248
- Product descriptionTris(trimethylsilyl) Phosphate >98.0%(GC)
- Packaging5g
- Price$54
- Updated2025-07-31
- Buy
- ManufacturerTCI Chemical
- Product numberP1248
- Product descriptionTris(trimethylsilyl) Phosphate >98.0%(GC)
- Packaging25g
- Price$179
- Updated2025-07-31
- Buy
Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|
Ambeed | A962485 | Tris(trimethylsilyl) Phosphate 97% | 5g | $13 | 2021-12-16 | Buy |
Ambeed | A962485 | Tris(trimethylsilyl) Phosphate 97% | 10g | $23 | 2021-12-16 | Buy |
Ambeed | A962485 | Tris(trimethylsilyl) Phosphate 97% | 25g | $46 | 2021-12-16 | Buy |
Sigma-Aldrich | 275794 | Tris(trimethylsilyl) phosphate ≥98% | 5g | $80.7 | 2025-07-31 | Buy |
Sigma-Aldrich | 935638 | Tris(trimethylsilyl) phosphate ≥99.0%, anhydrous, battery grade | 1 unit | $190 | 2025-07-31 | Buy |
TCI Chemical | P1248 | Tris(trimethylsilyl) Phosphate >98.0%(GC) | 5g | $54 | 2025-07-31 | Buy |
TCI Chemical | P1248 | Tris(trimethylsilyl) Phosphate >98.0%(GC) | 25g | $179 | 2025-07-31 | Buy |
Properties
Melting point :3-4 °C (lit.)
Boiling point :228-229 °C/720 mmHg (lit.)
Density :0.945 g/mL at 25 °C (lit.)
vapor pressure :23.3hPa at 20℃
refractive index :n20/D 1.409(lit.)
Flash point :76 °F
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
pka :23-25(at 25℃)
form :liquid
Specific Gravity :0.959
color :Colorless to Light yellow to Light orange
Water Solubility :935.5μg/L at 20℃
Hydrolytic Sensitivity :8: reacts rapidly with moisture, water, protic solvents
BRN :1794624
LogP :4.72 at 20℃
CAS DataBase Reference :10497-05-9(CAS DataBase Reference)
EPA Substance Registry System :Silanol, trimethyl-, phosphate (3:1) (10497-05-9)
Boiling point :228-229 °C/720 mmHg (lit.)
Density :0.945 g/mL at 25 °C (lit.)
vapor pressure :23.3hPa at 20℃
refractive index :n
Flash point :76 °F
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
pka :23-25(at 25℃)
form :liquid
Specific Gravity :0.959
color :Colorless to Light yellow to Light orange
Water Solubility :935.5μg/L at 20℃
Hydrolytic Sensitivity :8: reacts rapidly with moisture, water, protic solvents
BRN :1794624
LogP :4.72 at 20℃
CAS DataBase Reference :10497-05-9(CAS DataBase Reference)
EPA Substance Registry System :Silanol, trimethyl-, phosphate (3:1) (10497-05-9)
Safety Information
Symbol(GHS): |
![]() ![]() |
|||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Signal word: | Danger | |||||||||||||||||||||||||||||||||||
Hazard statements: |
|
|||||||||||||||||||||||||||||||||||
Precautionary statements: |
|
Description
Tris(trimethylsilyl) phosphite (TMSPi) is a film-forming additive for high voltage cathode material in lithium-ion batteries. Tris (trimethylsilyl) phosphate is cleaved by alkali-metal fluorides, nitrates, and acetates at give the trimethylsilyl esters of the corresponding acids.More related product prices
1795-31-9 Trimethyl phosphate Lithium bis(trimethylsilyl)amide 4325-85-3 Tris(2-butoxyethyl) phosphate TRI-M-TOLYL PHOSPHATE TRI-O-CRESYL PHOSPHATE 358-63-4 Diammonium phosphate Tris(2-chloropropyl) phosphate Triisobutyl phosphate 13674-84-5 33494-80-3 Calcium phosphate monobasic Sodium Phosphate, Dibasic 66489-68-7 Calcium phosphate 298-07-7 Tris(2-ethylhexyl) phosphate Chloroquine diphosphateRelated product price
- 1795-31-9
$24.5-1400 - Trimethyl phosphate
$20-818.61 - Lithium bis(trimethylsilyl)amide
$15-2900
Suppliers and manufacturers
Shanghai Daken Advanced Materials Co.,Ltd
Henan Tianfu Chemical Co.,Ltd.
Hangzhou FandaChem Co.,Ltd.
ATK CHEMICAL COMPANY LIMITED