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LC582 Bis(trimethylsilyl)acetylene

for synthesis

 

Order number Packaging Quantity Price €
AC27582 Glass bottle 10 ml 41.175
AC27582 Glass bottle 50 ml inquire

 

Product information
Synonyms BTMSA
Hill Formula C8H18Si2
Chemical formula CH3C[NSi(CH3)3]OSi(CH3)3
HS Code 2931 00 99
EC number 238-671-9
Molar mass 170.4 g/mol
CAS number 14630-40-1

 

Chemical and physical data
Solubility (20 °C) Hydrolysis
Melting point 22 – 25 °C
Molar mass 170.4 g/mol
Density 0.76 g/cm3 (20 °C)
Boiling point 135 – 137 °C (1013 hPa)
Flash point 23 °C
Refractive index 1.426 (20 °C, 589 nm)

 

Safety information according to GHS
Hazard Statement(s) H226: Flammable liquid and vapour.
Precautionary Statement(s) P210: Keep away from heat.
Signal Word Warning
Hazard Pictogram(s)
Storage class 3 Flammable Liquids
WGK WGK 3 highly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

 

Safety information
R Phrase R 10
Flammable.
Categories of danger flammable

 

Transport information
Declaration (transport by sea) IMDG-Code UN 1993 FLAMMABLE LIQUID, N.O.S.(BIS(TRIMETHYLSILYL)-ACETYLENE), 3, III
Declaration (transport by air) IATA-DGR UN 1993 FLAMMABLE LIQUID, N.O.S.(BIS(TRIMETHYLSILYL)-ACETYLENE), 3, III

 

Toxicological data
LD 50 oral LD50 rat 1580 mg/kg

 

Specifications
Assay (GC, area%) ≥ 98 %
Melting range
– lower value
≥ 22 °C
– upper value ≤ 25 °C
Identity (IR) passes test

 

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