Octamethylcyclotetrasiloxane

Catalog No: FT-0688100

CAS No: 556-67-2

Chemical Name: Octamethylcyclotetrasiloxane
Molecular Formula: C8H24O4Si4
Molecular Weight: 296.61
InChI Key: HMMGMWAXVFQUOA-UHFFFAOYSA-N
InChI: InChI=1S/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3

Product pricing and availability information
Assay	Pack Size	Price	Stock
98%	1g	N/A	N/A
98%	5g	N/A	N/A
98%	Bulk Quantity	N/A	N/A

Symbol:	GHS02, GHS08
CAS:	556-67-2
Flash_Point:	63.2±23.0 °C
Product_Name:	Octamethylcyclotetrasiloxane
Bolling_Point:	175.0±0.0 °C at 760 mmHg
FW:	296.616
Melting_Point:	17-18 °C(lit.)
MF:	C8H24O4Si4
Density:	1.0±0.1 g/cm3

Refractive_Index:	1.423
Vapor_Pressure:	1.6±0.3 mmHg at 25°C
Flash_Point:	63.2±23.0 °C
LogP:	2.87360
Bolling_Point:	175.0±0.0 °C at 760 mmHg
Water_Solubility:	INSOLUBLE
PSA:	36.92000
Molecular_Structure:	['1 . Molar refractive index 7902 ', '2 . Molar volume 3100 ', '3 . Parachor （902K）6424 ', '4 . Surface tension 184 ', '5 . Polarizability 3132']
Vapor_Density:	1 (vs air)
Computational_Chemistry:	['1. XlogP :N/A ', '2. Hydrogen Bond Donor Count :0 ', '3. Hydrogen Bond Acceptor Count :4 ', '4. Rotatable Bond Count :0 ', '5. Isotope Atom Count :N/A ', '6. TPSA 369 ', '7. Heavy Atom Count :16 ', '8. Topological Polar Surface Area :0 ', '9. Complexity :197 ', '10. Isotope Atom Count :0 ', '11. Defined Atom Stereocenter Count :0 ', '12. Undefined Atom Stereocenter Count :0 ', '13. Defined Bond Stereocenter Count :0 ', '14. Undefined Bond Stereocenter Count :0 ', '15. Covalently-Bonded Unit Count :1']
Melting_Point:	17-18 °C(lit.)
MF:	C8H24O4Si4
Exact_Mass:	296.075165
FW:	296.616
Density:	1.0±0.1 g/cm3
More_Info:	['1 . Appearance Colourless 油状Liquid 。 ', '2 . Boiling point（ºC,1013kPa）176 ', '3 . Melting point（ºC）17~18 ', '4 相对. Density（g/mL,20/4ºC）09558 ', '5 . Refractive index（20ºC）13958 ', '6 . Flash point（ºC）60 ', '7 . Solubility 能与有机溶剂相溶，Insoluble in Water 。 ', '8 凝固点（ºC）139-175']

Symbol:	GHS02, GHS08
RIDADR:	UN 1993 3/PG 3
Packing_Group:	III
Hazard_Class:	3
Risk_Statements(EU):	R53;R62
WGK_Germany:	1
Personal_Protective_Equipment:	Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
RTECS:	GZ4397000
Hazard_Codes:	Xn:Harmful
Warning_Statement:	P281
Safety_Statements:	H226-H361-H413