ChemicalBook--->CAS DataBase List--->27306-78-1

27306-78-1

27306-78-1 Structure

27306-78-1 Structure
IdentificationMore
[Name]

DIMETHYLSILOXANE, ETHYLENE OXIDE BLOCK COPOLYMER
[CAS]

27306-78-1
[Synonyms]

2-[METHOXY(POLYETHYLENEOXY)PROPYL]HEPTAMETHYLTRISILOXANE
DIMETHYLSILOXANE, ETHYLENE OXIDE BLOCK COPOLYMER
POLY(DIMETHYLSILOXANE-B-ETHYLENE OXIDE), METHYL TERMINATED
POLY(DIMETHYLSILOXANE-CO-ETHYLENE OXIDE), AB BLOCK COPOLYMER
POLY[DIMETHYLSILOXANE-CO-METHYL(3-HYDROXYPROPYL)SILOXANE]-GRAFT-POLY(ETHYLENE GLYCOL) METHYL ETHER
2-ethanediyl),.alpha.-methyl-.omega.-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]disiloxanyl]pPoly(oxy-1
ethylsilyl)oxy]disiloxanyl]propyl]-
hylsilyl)oxy)disiloxanyl)propoxy)-
poly(oxy-1,2-ethanediyl),alpha-methyl-omega-(3-(1,3,3,3-tetramethyl-1-((trimet
poly(oxy-1,2-ethanediyl),alpha-methyl-omega-[3-[1,3,3,3-tetramethyl-1-[(trim
polyalkene
polyalkeneoxidemodifiedheptamethyl
polyalkeneoxidemodifiedheptamethyltrisiloxane
polyethyleneglycolmono(3-(tetramethyl-1-(trimethylsiloxy)disiloxanyl)propyl
silicone-polyether
silicone-polyethercopolymer
silwetl77
Dimethylsiloxane-ethylene oxide block copolymer, non-siloxane 75%, viscosity 20 cSt.
Poly(oxy-1,2-ethanediyl), .alpha.-methyl-.omega.-3-1,3,3,3-tetramethyl-1-(trimethylsilyl)oxydisiloxanylpropoxy-
Poly(oxy-1,2-ethanediyl), alpha-methyl-omega-(3-(1,3,3,3-tetramethyl-1-((trimethylsilyl)oxy)disiloxanyl)propyl)-
[EINECS(EC#)]

608-078-3
[Molecular Formula]

C11H30O3Si3(C2H4O)6-9CH3
[MDL Number]

MFCD00240065
[MOL File]

27306-78-1.mol
[Molecular Weight]

338.66
Chemical PropertiesBack Directory
[Melting point ]

−14 °C
[Boiling point ]

200 13mm
[density ]

1.035 g/mL at 25 °C
[refractive index ]

n20/D 1.455
[Fp ]

>230 °F
[Specific Gravity]

1.007
[Hydrolytic Sensitivity]

0: forms stable aqueous solutions
[Cosmetics Ingredients Functions]

SURFACTANT - EMULSIFYING
SKIN CONDITIONING
SURFACTANT - FOAM BOOSTING
SKIN CONDITIONING - EMOLLIENT
SURFACTANT - CLEANSING
[InChI]

InChI=1S/C13H34O4Si3/c1-14-11-12-15-10-9-13-20(8,16-18(2,3)4)17-19(5,6)7/h9-13H2,1-8H3
[InChIKey]

JQRXTVACLHSVTF-UHFFFAOYSA-N
[SMILES]

[Si](C)(CCCOC{-}CO{+n}C)(O[Si](C)(C)C)O[Si](C)(C)C
[CAS DataBase Reference]

27306-78-1(CAS DataBase Reference)
[EPA Substance Registry System]

27306-78-1(EPA Substance)
Hazard InformationBack Directory
[Uses]

Polyalkyleneoxide modified heptamethyltrisiloxane can improve the prevention effect of pesticides and reduce the spray volume. It is used in the fields of pesticides herbicides, insecticides, acaricides, fungicides, plant growth regulating agents, and other aspects.(Polyalkyleneoxide modified heptamethyltrisiloxane, a registered product of GE Silicones)
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)Environment (GHS09)
GHS07,GHS09
[Signal word ]

Warning
[Hazard statements ]

H332-H319-H411
[Precautionary statements ]

P261-P271-P304+P340-P312-P264-P280-P305+P351+P338-P337+P313P
[Hazard Codes ]

Xi
[Risk Statements ]

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 .
S36:Wear suitable protective clothing .
[RIDADR ]

2987
[WGK Germany ]

3
[TSCA ]

Yes
[Toxicity]

rat,LC50,inhalation,2gm/m3/4H (2000mg/m3),National Technical Information Service. Vol. OTS0571774-1,
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