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LC4291 Octamethylcyclotetrasiloxane

for synthesis

 

Order number Packaging Quantity Price €
AC31291 Glass bottle 25 ml 14.31
AC31291 Glass bottle 100 ml 33.98
AC31291 Glass bottle 250 ml  63.45

 

Product information
Synonyms Octamethyltetrasiloxane
Hill Formula C8H24O4Si4
HS Code 2931 00 99
EC number 209-136-7
Molar mass 296.62 g/mol
EC index number 014-018-00-1
CAS number 556-67-2

 

Chemical and physical data
Ignition temperature 400 °C
Solubility < - 0.001 g/l (25 °C)
Melting point 18 °C
Molar mass 296.62 g/mol
Density 0.95 g/cm3
Boiling point 176 °C
Vapor pressure 1.3 hPa (20 °C)
Explosion limit 0.4 – 11.7 %(V)
Flash point 57 °C

 

Safety information according to GHS
Hazard Statement(s) H361f: Suspected of damaging fertility.
H413: May cause long lasting harmful effects to aquatic life.
Precautionary Statement(s) P281: Use personal protective equipment as required.
P273: Avoid release to the environment.
P308 + P313: IF exposed or concerned: Get medical advice/attention.
Signal Word Warning
Hazard Pictogram(s)
RTECS GZ4397000
Storage class 10 Combustible liquids not in Storage Class 3
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 53-62
May cause long-term adverse effects in the aquatic environment.Possible risk of impaired fertility.
S Phrase S 36/37-46-51-61
Wear suitable protective clothing and gloves.If swallowed, seek medical advice immediately and show this container or label.Use only in well-ventilated areas.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger dangerous for the environment, toxic for reproduction
Hazard Symbol

Harmful

 

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

 

Toxicological data
LD 50 oral LD50 rat > 2000 mg/kg
LD 50 dermal LD50 rat > 2400 mg/kg

 

Specifications
Assay (GC, area%) ≥ 98 %
Refractive index (n 25°/D) 1.394 – 1.395

 

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