Molekula
Lithium bis(trimethylsilyl)amide
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Lithium bis(trimethylsilyl)amide is a strong, sterically hindered base used in organic synthesis, particularly in deprotonation reactions and the preparation of organolithium compounds. It is available in powder or solution form. CAS: 4039-32-1, Molecular Formula: C6H18LiNSi2, Molecular Weight: 167.33 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies Lithium bis(trimethylsilyl)amide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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5 g — $49.80 per pack
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Specifications
| Property | Value |
|---|---|
| Appearance | White to light yellow powder |
| Assay (Titration) | 96.5 - 103.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 17 °C |
| Transport Class | 4.2 (8) |
| Packing Group | II |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 45508924 |
| CAS Number | 4039-32-1 |
| Molecular Formula | C6H18LiNSi2 |
| Molecular Weight | 167.33 |
| Exact Mass | 168.1216 |
| SMILES | [Li].C[Si](C)(C)N[Si](C)(C)C |
| InChIKey | QQIRAVWVGBTHMJ-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H19NSi2.Li/c1-8(2,3)7-9(4,5)6;/h7H,1-6H3; |
| PubChem CID | 57426343 |
| UN Number | UN3126 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2931.90.9029 |
| Tariff Code | 2931900090 |
Safety & GHS
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Flammable
GHS02
-
Corrosive
GHS05
Hazard statements
- EUH014 Reacts violently with water
- H228 Flammable solid
- H251 Self-heating; may catch fire
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P223 Keep away from any possible contact with water, because of violent reaction and possible flash fire
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (LiN(SiMe3)2)
- Bis(trimethylsilyl)amidolithium
- Disilazane, 1,1,1,3,3,3-hexamethyl-, lithium salt
- Li bis(TMS)A
- lithium hexamethydisilazane
- lithium hexamethyidisilazane
- lithium HMDS
- Lithium, (bis(trimethylsilyl)amino)-
- Lithiumbis(trimethylsilyl)amine
- lithiumhexamethyldisilazane
Frequently asked questions
What is lithium bis(trimethylsilyl)amide used for?
It is primarily used as a strong, non-nucleophilic base in organic synthesis, particularly in deprotonation reactions and the preparation of enolates.
What is the chemical formula and molecular weight?
The formula is C6H18LiNSi2 with a molecular weight of 167.33 g/mol.
How should lithium bis(trimethylsilyl)amide be stored?
It should be stored at ambient temperature, protected from moisture and air.
What grade is available?
Available in high-purity grade suitable for laboratory and industrial synthesis.
Can Molekula supply it in bulk?
Yes, Molekula can supply lithium bis(trimethylsilyl)amide in bulk quantities upon request.
What documentation comes with the order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.