Shanghai Nianxing Industrial Co., Ltd
China
Product Name: BIS(3-TRIETHOXYSILYLPROPYL)POLYETHYLENE OXIDE(25-30EO)
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: BIS(3-TRIETHOXYSILYLPROPYL)POLYETHYLENE OXIDE(25-30EO)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: BIS(3-TRIETHOXYSILYLPROPYL)POLYETHYLENE OXIDE(25-30EO)
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

666829-33-0

666829-33-0 structure

666829-33-0 structure

Name: BIS(3-TRIETHOXYSILYLPROPYL)POLYETHYLENE OXIDE(25-30EO)
Chemical Name: 4,4,15,15-Tetraethoxy-3,8,11,16-tetraoxa-4,15-disilaoctadecane
CAS Number: 666829-33-0
Molecular Formula: C₂₀H₄₆O₈Si₂
Molecular Weight: 470.745
Create Date: 2021-09-13 14:55:36
Modify Date: 2025-08-11 14:04:55

Names
Properties

Name	4,4,15,15-Tetraethoxy-3,8,11,16-tetraoxa-4,15-disilaoctadecane
Synonyms	3,8,11,16-Tetraoxa-4,15-disilaoctadecane, 4,4,15,15-tetraethoxy- 4,4,15,15-Tetraethoxy-3,8,11,16-tetraoxa-4,15-disilaoctadecane

Density	1.0±0.1 g/cm3
Boiling Point	441.2±35.0 °C at 760 mmHg
Melting Point	38-42 °C
Molecular Formula	C₂₀H₄₆O₈Si₂
Molecular Weight	470.745
Flash Point	188.1±26.3 °C
Exact Mass	470.273132
LogP	3.64
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.437

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