Octamethylcyclotetrasiloxane 556-67-2 99%
Octamethylcyclotetrasiloxane Chemical Properties
Melting point 17-18 °C (lit.)
Boiling point 175-176 °C (lit.)
density 0.956 g/mL at 25 °C (lit.)
vapor density 1 (vs air)
refractive index n20/D 1.396(lit.)
Fp 140 °F
storage temp. 2-8°C
solubility <0.001g/l Hydrolysis
form liquid
Specific Gravity 0.956
color colorless
explosive limit 0.4-11.7%(V)
Water Solubility INSOLUBLE
Sensitive Moisture Sensitive
Merck 14,6747
BRN 1787074
InChIKey HMMGMWAXVFQUOA-UHFFFAOYSA-N
CAS DataBase Reference 556-67-2(CAS DataBase Reference)
NIST Chemistry Reference Cyclotetrasiloxane, octamethyl-(556-67-2)
EPA Substance Registry System Octamethylcyclotetrasiloxane (556-67-2)
Octamethylcyclotetrasiloxane Basic information
Product Name: Octamethylcyclotetrasiloxane
Synonyms: JACS-556-67-2;uc7207;unioncarbide7207;vs7207;Octamethylcyclotetrasiloxane,98%;1H-Benzimidazol-2-yl-carbamic Acid Methyl Ester-d4;2-Benzimidazolecarbamic Acid Methyl Ester-d4;BAS-3460-d4
CAS: 556-67-2
MF: C8H24O4Si4
MW: 296.62
EINECS: 209-136-7
Mol File: 556-67-2.mol
Safety Information
Hazard Codes Xn
Risk Statements 53-62-10
Safety Statements 36/37-46-51-61
RIDADR UN 1993 3/PG 3
WGK Germany 1
RTECS GZ4397000
TSCA Yes
HazardClass 3
PackingGroup III
HS Code 29319090
Hazardous Substances Data 556-67-2(Hazardous Substances Data)
Toxicity LD50 oral in rat: 1540mg/kg
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View