541-05-9

Name Hexamethylcyclotrisiloxane
CAS 541-05-9
EINECS(EC#) 208-765-4
Molecular Formula C6H18O3Si3
MDL Number MFCD00005943
Molecular Weight 222.46
MOL File 541-05-9.mol
show more

Chemical Properties

Appearance White crystalline solid
Melting point  50-64 °C (lit.)
Boiling point  134 °C (lit.)
density  1.02
vapor density  1 (vs air)
vapor pressure  0.014-671Pa at 24.85-25℃
RTECS  GZ4705000
Fp  95 °F
storage temp.  Flammables area
solubility  soluble in most organic solvents.
form  solid
color  White to Almost white
Specific Gravity 1.02
Stability: Stable, but moisture sensitive. Incompatible with strong oxidizing agents. Highly flammable.
Water Solubility  may decompose
Hydrolytic Sensitivity 1: no significant reaction with aqueous systems
Sensitive  Moisture Sensitive
BRN  1766829
Henry's Law Constant 5.6×10-6 mol/(m3Pa) at 25℃, Mazzoni et al. (1997)
Major Application cleaning products
cosmetics
environmental
food and beverages
personal care
InChI 1S/C6H18O3Si3/c1-10(2)7-11(3,4)9-12(5,6)8-10/h1-6H3
InChIKey HTDJPCNNEPUOOQ-UHFFFAOYSA-N
SMILES C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1
LogP -0.38-4.4 at 20-25℃
CAS DataBase Reference 541-05-9(CAS DataBase Reference)
NIST Chemistry Reference Hexamethylcyclotrisiloxane(541-05-9)
EPA Substance Registry System 541-05-9(EPA Substance)
show more

Safety Data

Symbol(GHS)  Flame (GHS02)
GHS02
Signal word  Danger
Hazard statements  H228
Precautionary statements  P210-P240-P241-P280-P370+P378
Hazard Codes  F,Xi
Risk Statements 
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
RIDADR  UN 1325 4.1/PG 2
WGK Germany  3
TSCA  Yes
REACH Registrations Active
HazardClass  4.1
PackingGroup  II
HS Code  29319090
Storage Class 4.1B - Flammable solid hazardous materials
Hazard Classifications Flam. Sol. 1

Hazard Information

Material Safety Data Sheet(MSDS)

Spectrum Detail

Well-known Reagent Company Product Information

Supplier

Related Products

Send Inquriy