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ChemicalBook >> CAS DataBase List >> Lithium bis(trimethylsilyl)amide

Lithium bis(trimethylsilyl)amide

Lithium bis(trimethylsilyl)amide price.
  • $15 - $2900
  • Product name: Lithium bis(trimethylsilyl)amide
  • CAS: 4039-32-1
  • MF: C6H18LiNSi2
  • MW: 167.33
  • EINECS:223-725-6
  • MDL Number:MFCD00008261
  • Synonyms:HEXAMETHYLDISILAZANE LITHIUM SALT;LITHIUM-BIS-(TRIMETHYLSILYL)-AMID;LITHIUM BIS(TRIMETHYLSILYL)AMIDE;Lithium bis(trimethylsilyl)amide, 0.9-1.1M in hexane, packaged under Argon in resealable ChemSeal bottles;Lithium bis(trimethylsilyl)amide, 1.0m solution in methyl tert-butyl ether;Lithium bis(trimethylsilyl)amide1.0M sol. in methyl tert-butyl etherAcroSeal§3;Lithium bis(trimethylsilyl)amide1M solution in THF/EthylbenzeneAcroSeal§3;Lithium bis(trimethylsilyl)amide0.9M solution in methylcyclohexaneAcroSeal§3
46 prices
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  • ManufacturerAHH
  • Product numberMT-16415
  • Product descriptionLithium bis(trimethylsilyl)amide 98%
  • Packaging2500g
  • Price$488
  • Updated2021-12-16
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  • ManufacturerOakwood
  • Product number103308
  • Product descriptionHexamethyldisilazane lithium salt 1.25M (23-25%) in THF
  • Packaging10g
  • Price$15
  • Updated2021-12-16
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  • ManufacturerOakwood
  • Product number103308
  • Product descriptionHexamethyldisilazane lithium salt 1.25M (23-25%) in THF
  • Packaging25g
  • Price$18
  • Updated2021-12-16
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  • ManufacturerOakwood
  • Product number103308
  • Product descriptionHexamethyldisilazane lithium salt 1.25M (23-25%) in THF
  • Packaging50g
  • Price$25
  • Updated2021-12-16
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  • ManufacturerOakwood
  • Product number103308
  • Product descriptionHexamethyldisilazane lithium salt 1.25M (23-25%) in THF
  • Packaging100g
  • Price$40
  • Updated2021-12-16
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  • ManufacturerOakwood
  • Product number103308
  • Product descriptionHexamethyldisilazane lithium salt 1.25M (23-25%) in THF
  • Packaging500g
  • Price$70
  • Updated2021-12-16
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  • ManufacturerOakwood
  • Product number103308
  • Product descriptionHexamethyldisilazane lithium salt 1.25M (23-25%) in THF
  • Packaging3Kg
  • Price$210
  • Updated2021-12-16
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  • ManufacturerSigma-Aldrich
  • Product number225770
  • Product descriptionLithium bis(trimethylsilyl)amide solution 1.0 M in THF
  • Packaging2x2ml
  • Price$19.28
  • Updated2025-07-31
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  • ManufacturerSigma-Aldrich
  • Product number920398
  • Product descriptionLithium bis(trimethylsilyl)amide 99.9% trace metals basis
  • Packaging1 g
  • Price$30.4
  • Updated2025-07-31
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  • ManufacturerSigma-Aldrich
  • Product number920398
  • Product descriptionLithium bis(trimethylsilyl)amide 99.9% trace metals basis
  • Packaging25 g
  • Price$73
  • Updated2025-07-31
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  • ManufacturerSigma-Aldrich
  • Product number225770
  • Product descriptionLithium bis(trimethylsilyl)amide solution 1.0 M in THF
  • Packaging4x25ml
  • Price$74.4
  • Updated2025-07-31
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  • ManufacturerSigma-Aldrich
  • Product number577928
  • Product descriptionLithium bis(trimethylsilyl)amide solution 1 M in toluene
  • Packaging100ml
  • Price$74.6
  • Updated2025-07-31
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  • ManufacturerSigma-Aldrich
  • Product number225770
  • Product descriptionLithium bis(trimethylsilyl)amide solution 1.0 M in THF
  • Packaging100ml
  • Price$79.7
  • Updated2025-07-31
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  • ManufacturerSigma-Aldrich
  • Product number225770
  • Product descriptionLithium bis(trimethylsilyl)amide solution 1.0?M in THF
  • Packaging18L
  • Price$2900
  • Updated2025-07-31
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  • ManufacturerSigma-Aldrich
  • Product number324620
  • Product descriptionLithium bis(trimethylsilyl)amide 97%
  • Packaging250g
  • Price$446
  • Updated2025-07-31
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  • ManufacturerSigma-Aldrich
  • Product number771864
  • Product descriptionLithium bis(trimethylsilyl)amide solution 0.5 M in toluene
  • Packaging800ml
  • Price$539
  • Updated2022-05-15
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Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-16415 Lithium bis(trimethylsilyl)amide 98% 2500g $488 2021-12-16 Buy
Oakwood 103308 Hexamethyldisilazane lithium salt 1.25M (23-25%) in THF 10g $15 2021-12-16 Buy
Oakwood 103308 Hexamethyldisilazane lithium salt 1.25M (23-25%) in THF 25g $18 2021-12-16 Buy
Oakwood 103308 Hexamethyldisilazane lithium salt 1.25M (23-25%) in THF 50g $25 2021-12-16 Buy
Oakwood 103308 Hexamethyldisilazane lithium salt 1.25M (23-25%) in THF 100g $40 2021-12-16 Buy
Oakwood 103308 Hexamethyldisilazane lithium salt 1.25M (23-25%) in THF 500g $70 2021-12-16 Buy
Oakwood 103308 Hexamethyldisilazane lithium salt 1.25M (23-25%) in THF 3Kg $210 2021-12-16 Buy
Sigma-Aldrich 225770 Lithium bis(trimethylsilyl)amide solution 1.0 M in THF 2x2ml $19.28 2025-07-31 Buy
Sigma-Aldrich 920398 Lithium bis(trimethylsilyl)amide 99.9% trace metals basis 1 g $30.4 2025-07-31 Buy
Sigma-Aldrich 920398 Lithium bis(trimethylsilyl)amide 99.9% trace metals basis 25 g $73 2025-07-31 Buy
Sigma-Aldrich 225770 Lithium bis(trimethylsilyl)amide solution 1.0 M in THF 4x25ml $74.4 2025-07-31 Buy
Sigma-Aldrich 577928 Lithium bis(trimethylsilyl)amide solution 1 M in toluene 100ml $74.6 2025-07-31 Buy
Sigma-Aldrich 225770 Lithium bis(trimethylsilyl)amide solution 1.0 M in THF 100ml $79.7 2025-07-31 Buy
Sigma-Aldrich 225770 Lithium bis(trimethylsilyl)amide solution 1.0?M in THF 18L $2900 2025-07-31 Buy
Sigma-Aldrich 324620 Lithium bis(trimethylsilyl)amide 97% 250g $446 2025-07-31 Buy
Sigma-Aldrich 771864 Lithium bis(trimethylsilyl)amide solution 0.5 M in toluene 800ml $539 2022-05-15 Buy

Properties

Melting point :73°C
Boiling point :55-56 °C
Density :0.860 g/mL at 25 °C (lit.)
refractive index :n20/D 1.425(lit.)
Flash point :48 °F
storage temp. :Store below +30°C.
solubility :hydrolysis
form :Powder
color :White
Specific Gravity :0.716
Water Solubility :hydrolysis
Sensitive :Air & Moisture Sensitive
Hydrolytic Sensitivity :8: reacts rapidly with moisture, water, protic solvents
BRN :3567910
Exposure limits :ACGIH: TWA 50 ppm; STEL 100 ppm (Skin)
OSHA: TWA 200 ppm(590 mg/m3)
NIOSH: IDLH 2000 ppm; TWA 200 ppm(590 mg/m3); STEL 250 ppm(735 mg/m3) InChIKey :YNESATAKKCNGOF-UHFFFAOYSA-N
CAS DataBase Reference :4039-32-1(CAS DataBase Reference)
EPA Substance Registry System :Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, lithium salt (4039-32-1)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H228 Flammable solid Flammable solids Category 1
Category 2		 Danger
Warning		 GHS hazard pictograms P210, P240,P241, P280, P370+P378
H251 Self-heating; may catch fire Self-heating substances and mixtures Category 1 Danger GHS hazard pictograms
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger GHS hazard pictograms P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P235 Keep cool.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Lithium bis(trimetylsilyl)amide is used as a strong base in organic synthesis and as catalysts in polymerization reactions. It is also used to form various organolithium compounds such as acetylides and lithium enolates. It is a base employed in generating enolates for preparation of lactone precursors, pyranones and cyclohexanes. Further, it is used to catalyze the addition of phosphine P-H bonds to carbodiimides leading to phosphaguanidines. In addition, it is used in a three-step synthesis of disubstituted 1,2,5-thiadiazoles.

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