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LC2992 Hexamethyldisilane

for synthesis


Order number Packaging Quantity Price €
AC29992 Glass bottle 10 ml 25.88
AC29992 Glass bottle 50 ml 84.60


Product information
Hill Formula C6H18Si2
Chemical formula (CH3)3SiSi(CH3)3
HS Code 2931 00 99
EC number 215-911-0
Molar mass 146.37 g/mol
Storage Store below +15°C.
CAS number 1069-23-4


Chemical and physical data
Solubility (20 °C) (decomposition)
Melting point 13 – 15 °C
Molar mass 146.37 g/mol
Density 0.73 g/cm3 (20 °C)
Boiling point 110 – 112 °C
Flash point 11 °C
Refractive index 1.4207 (20 °C, 589 nm)


Safety information
R Phrase R 11-36/37-43
Highly flammable.Irritating to eyes and respiratory system.May cause sensitization by skin contact.
S Phrase S 7-16-24-37
Keep container tightly closed.Keep away from sources of ignition – No smoking.Avoid contact with skin.Wear suitable gloves.
Categories of danger highly flammable, irritant, sensitizing
Hazard Symbol


Storage class 3 Flammable Liquids
WGK WGK 2 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.


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


Toxicological data
LD 50 oral LD50 rat 2160 mg/kg
LD 50 dermal LD50 rabbit 2160 mg/kg


Assay (GC, area%) ≥ 98 %
Density (d 20 °C/ 4 °C) 0.726 – 0.728
Identity (IR) passes test


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