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Poly(oxy-1,2-ethanediyl),a-methyl-w-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxanyl]propoxy]- (27306-78-1)

Identification
Name:Poly(oxy-1,2-ethanediyl),a-methyl-w-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxanyl]propoxy]-
Synonyms:Glycols,polyethylene, methyl 3-[1,3,3,3-tetramethyl-1-(trimethylsiloxy)disiloxanyl]propylether (8CI);Poly(oxy-1,2-ethanediyl), a-methyl-w-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]disiloxanyl]propoxy]-(9CI);3-Oxa-2,4-disilaheptan-1-ol, 2,2,4-trimethyl-4-(trimethylsiloxy)-,monoether with polyethylene glycol (8CI);Pentra-Bark;Silwet L 77;
CAS:27306-78-1
Molecular Weight: 0
InChI: InChI=1/C13H34O3Si3/c1-14-12-10-9-11-13-19(8,15-17(2,3)4)16-18(5,6)7/h9-13H2,1-8H3
Molecular Structure: ((C2H4O)n·C11H30O3Si3) Glycols,polyethylene, methyl 3-[1,3,3,3-tetramethyl-1-(trimethylsiloxy)disiloxanyl]propylether (8CI)...
Properties
Transport:2987
Flash Point: 200 13mm
Boiling Point: 200 13mm
Density:1.035 g/cm3
Refractive index:n20/D 1.455
Specification:

The Polyalkyleneoxide modified heptamethyltrisiloxane, with the CAS registry number 27306-78-1, is also known as Glycols, polyethylene, methyl 3-[1,3,3,3-tetramethyl-1-(trimethylsiloxy)disiloxanyl]propylether (8CI). It belongs to the product category of Polymers. This chemical's molecular formula is (C2H4O)n·C11H30O3Si3.This chemical's classification code is TSCA Flag XU.

Physical properties about Polyalkyleneoxide modified heptamethyltrisiloxane are:(1) Melting Point: -14 °C; (2) Boiling Point: 200 13mm; (3) Density: 1.035 g/cm3; (4) Index of Refraction: 1.455; (5) Flash Point: >230 °C.

When you are dealing with Polyalkyleneoxide modified heptamethyltrisiloxane, you should be very careful. This chemical is irritating to eyes, respiratory system, skin and may cause inflammation to the skin or other mucous membranes. Therefore, you should wear suitable protective clothing. And in case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice.

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LC50 inhalation 2gm/m3/4H (2000mg/m3)   National Technical Information Service. Vol. OTS0571774-1,
rat LD50 intraperitoneal 250uL/kg (0.25mL/kg)   National Technical Information Service. Vol. OTS0571467,
rat LD50 oral 4920uL/kg (4.92mL/kg)   National Technical Information Service. Vol. OTS0571467,

 

Flash Point: 200 13mm
Safety Data
Hazard Symbols Xi: Irritant
 

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