Lithium acetylide ethylenediamine complex
Lithium acetylide ethylenediamine complex (CAS: 6867-30-7), with the formula LiC≡CH · NH₂CH₂CH₂NH₂, is an organometallic reagent with a molecular weight of 92.07 g/mol. This compound serves as a valuable building block in organic synthesis, particularly for introducing the acetylide group in various chemical transformations. Its complexation with ethylenediamine enhances stability and handling compared to free lithium acetylide.

Alkynylation Reagent
This complex is primarily used as a source of the acetylide anion for alkynylation reactions. It enables the formation of carbon-carbon bonds by reacting with electrophiles such as alkyl halides and carbonyl compounds.
Organometallic Synthesis
As an organolithium compound, it participates in various organometallic transformations. Its reactivity allows for the synthesis of more complex organic molecules and intermediates.
Chemical Synthesis Intermediate
It functions as a key intermediate in the multi-step synthesis of diverse organic compounds. The compound's structure facilitates its incorporation into intricate molecular architectures.
| Molecular weight | 92.07 |
|---|---|
| Linear formula | LiC≡CH · NH2CH2CH2NH2 |
| Assay | ≥90% (T) |
| Grade | technical |
| Storage temperature | 2-8°C |


Hazard statements
- H261In contact with water releases flammable gas
- H314Causes severe skin burns and eye damage
Precautionary statements
- P231Handle under inert gas
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
- P422
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3131 4.3/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,C |
| Risk statements (R) | 15-34 |
| Safety statements (S) | 26-36/37/39-43-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Lithium acetylide ethylenediamine complex used for?
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Lithium acetylide ethylenediamine complex is used as an alkynylating reagent in organic synthesis to introduce the acetylide group and form new carbon-carbon bonds. It is also employed in broader organometallic and chemical synthesis pathways.
What are the CAS number and formula for Lithium acetylide ethylenediamine complex?
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The CAS number is 6867-30-7, and the formula is LiC≡CH · NH₂CH₂CH₂NH₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Lithium acetylide ethylenediamine complex in technical grade with an assay of ≥90% (T). We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for this compound?
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This compound is flammable (H261) and corrosive (H314), reacting with water and causing severe skin burns and eye damage. Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, in a well-ventilated area, and keep away from water.
How is Lithium acetylide ethylenediamine complex packed and shipped?
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Lithium acetylide ethylenediamine complex is shipped as a UN 3131 substance, classified under hazard class 4.3. Packaging and shipping adhere to strict regulations for hazardous materials.
How can I request a sample or a quote?
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To request a sample or obtain a quote for Lithium acetylide ethylenediamine complex, please contact our sales team through the TSS website or by calling us directly.
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