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Decamethylcyclopentasiloxane Structure

Decamethylcyclopentasiloxane

Chemical Properties

Melting point -44°C
Boiling point 90 °C/10 mmHg (lit.)
Density  0.958 g/mL at 25 °C (lit.)
vapor pressure  33.2Pa at 25℃
refractive index  n20/D 1.396(lit.)
Flash point 162 °F
storage temp.  2-8°C
solubility  <0.0001g/l (calculated)
form  Liquid
color  Colorless
Specific Gravity 0.959
explosive limit 0.52-7%(V)
Water Solubility  Immiscible with water.
Hydrolytic Sensitivity 1: no significant reaction with aqueous systems
Merck  14,2848
BRN  1800166
Dielectric constant 2.5(20℃)
Stability Stable. Incompatible with strong oxidizing agents.
InChIKey XMSXQFUHVRWGNA-UHFFFAOYSA-N
LogP 8.07 at 24.6℃
CAS DataBase Reference 541-02-6(CAS DataBase Reference)
EWG's Food Scores 3
FDA UNII 0THT5PCI0R
NIST Chemistry Reference Decamethylcyclopentasiloxane(541-02-6)
EPA Substance Registry System Decamethylcyclopentasiloxane (541-02-6)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H227-H320-H413
Precautionary statements P210-P264-P280-P305+P351+P338+P337+P313-P370+P378-P403+P235-P501-P210e-P280a-P370+P378a-P501a
Hazard Codes  Xi
Risk Statements  36/37/38-53
Safety Statements  23-24/25-36-26
RIDADR  NA 1993 / PGIII
WGK Germany  2
RTECS  GY5945200
TSCA  Yes
HS Code  29310095
Hazardous Substances Data 541-02-6(Hazardous Substances Data)
Toxicity LD50 oral in rat: > 24134mg/kg
NFPA 704:
2
0 0

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