Lithium (trimethylsilyl)acetylide, 0.5M solution in THF, AcroSeal™, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10359213	Thermo Scientific Acros 380651000	100 mL	AcroSeal™ Glass Bottle in Tin Can
10310524	Thermo Scientific Acros 380658000	800 mL	AcroSeal™ Glass Bottle

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

• CAS: 54655-07-1, 109-99-9
• Molecular Weight (g/mol): 104.15
• InChI Key: WDDOQHLJFOUQMW-UHFFFAOYSA-N
• PubChem CID: 3431600
• SMILES: [Li+].C[Si](C)(C)C#[C-]

• Molecular Formula: C5H9LiSi
• MDL Number: MFCD00075059
• Synonym: trimethylsilyl ethynyllithium, lithium, trimethylsilyl ethynyl, lithium 1+ ion trimethylsilyl ethyne, lithium trimethylsilylacetylide, lithio trimethylsilyl acetylene, lithium trimethylsilyl acetylide, lithium ethynyl trimethyl silane, lithium trimethylsilylacetylenide, zvxxeonxfwsciz-uhfffaoysa-n
• IUPAC Name: lithium;ethynyl(trimethyl)silane

Specifications

• CAS: 54655-07-1, 109-99-9
• Physical Form: Solution
• MDL Number: MFCD00075059
• InChI Key: WDDOQHLJFOUQMW-UHFFFAOYSA-N
• IUPAC Name: lithium;ethynyl(trimethyl)silane
• PubChem CID: 3431600
• Concentration or Composition (by Analyte or Components): 0.4 to 0.6M
• Chemical Name or Material: Lithium (trimethylsilyl)acetylide

• Color: Yellow to Orange
• Molecular Formula: C5H9LiSi
• Synonym: trimethylsilyl ethynyllithium, lithium, trimethylsilyl ethynyl, lithium 1+ ion trimethylsilyl ethyne, lithium trimethylsilylacetylide, lithio trimethylsilyl acetylene, lithium trimethylsilyl acetylide, lithium ethynyl trimethyl silane, lithium trimethylsilylacetylenide, zvxxeonxfwsciz-uhfffaoysa-n
• SMILES: [Li+].C[Si](C)(C)C#[C-]
• Molecular Weight (g/mol): 104.15
• Formula Weight: 104.15
• Density: 0.8800g/mL

Safety and Handling

GHS P Statement May cause respiratory irritation. Causes serious eye irritation. Highly flammable liquid and vapor. May form explosive peroxides.

GHS P Statement Avoid breathing dust/fume/gas/mist/vapors/spray. Keep container tightly closed. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for se

Danger

Product Identifier

• Lithium (trimethylsilyl)acetylide, 0.5M solution in THF

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 4
• Carcinogenicity Category 2
• Serious eye damage/eye irritation Category 1
• Flammable liquid Category 2
• Skin corrosion/irritation Category 1 B
• Specific target organ toxicity Category 3

Hazard Statement

• H318-Causes serious eye damage.
• H314-Causes severe skin burns and eye damage.
• H351-Suspected of causing cancer.
• H335-May cause respiratory irritation.
• H336-May cause drowsiness or dizziness.
• H302-Harmful if swallowed.
• H225-Highly flammable liquid and vapour.
• EUH019-May form explosive peroxides.

Precautionary Statement

• P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P303+P361+P353-IF ON SKIN (or hair): 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. Continue rinsing.
• P310-Immediately call a POISON CENTER/doctor/.

RUO – Research Use Only