Tetramethylsilane [for NMR] , >99.0%(GC) , 75-76-3

Synonym(s):
Tetramethylsilane;TMS

CAS NO.：75-76-3

Empirical Formula: C4H12Si

Molecular Weight: 88.22

MDL number: MFCD00008274

EINECS: 200-899-1

PRODUCT Properties

• Melting point: -99 °C (lit.)
• Boiling point: 26-28 °C (lit.)
• Density: 0.648 g/mL at 25 °C (lit.)
• vapor pressure: 11.66 psi ( 20 °C)
• refractive index: n20/D 1.358(lit.)
• RTECS: VV5706000
• Flash point: −17 °F
• storage temp.: 2-8°C
• solubility: 0.02g/l
• form: liquid
• color: colorless
• Specific Gravity: 0.648
• explosive limit: 1.0-37.9%(V)
• Water Solubility: 0.02 G/L (25 ºC)
• Hydrolytic Sensitivity: 1: no significant reaction with aqueous systems
• Merck: 14,9229
• BRN: 1696908
• Dielectric constant: 1.9199999999999999
• Stability: Stable. Highly flammable - readily forms explosive mixtures with air. Note the boiling point close to room temperature, the low flash point and high vapour pressure. Incompatible with oxidizing agents. Refrigerate before opening.
• InChIKey: CZDYPVPMEAXLPK-UHFFFAOYSA-N

Description and Uses

NMR reference standard. In semiconductor applications (chemical vapor deposition). Tetramethylsilane (TMS) is used as a chemical shift reference for proton, carbon-13, and silicon-29 analysis in organic solvents and is given 0 as its chemical shift position.

Safety

• Symbol(GHS): GHS02
• Signal word: Danger
• Hazard statements: H224
• Precautionary statements: P210-P403+P233
• Hazard Codes: Xn,F+
• Risk Statements: 12-48/20/22-40-38-22
• Safety Statements: 36-45-33-3/7-16-9-36/37
• RIDADR: UN 2810 6.1/PG 3
• WGK Germany: 3
• F: 10
• Autoignition Temperature: 842 °F
• TSCA: Yes
• HS Code: 2931 90 00
• HazardClass: 3
• PackingGroup: I