Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: hexaethyl diorthosilicate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2157-42-8

2157-42-8 structure

2157-42-8 structure

Name: hexaethyl diorthosilicate
Chemical Name: triethyl triethoxysilyl silicate
CAS Number: 2157-42-8
Molecular Formula: C₁₂H₃₀O₇Si₂
Molecular Weight: 342.53300
Create Date: 2018-06-08 12:11:53
Modify Date: 2025-08-27 09:45:09

Name	triethyl triethoxysilyl silicate
Synonyms	disilicic acid hexaethyl ester Hexaaethoxy-disiloxan Hexaethoxydisiloxane Hexaethyl diorthosilicate Silicic acid,hexaethyl ester Hexaaethyl-disilicat Bis-triaethoxysilyl-aether Dikieselsaeure-hexaaethylester Silicic acid (H6Si2O7),hexaethyl ester EINECS 218-469-7

Density	0.999g/cm3
Boiling Point	273.9ºC at 760 mmHg
Melting Point	16ºC
Molecular Formula	C₁₂H₃₀O₇Si₂
Molecular Weight	342.53300
Flash Point	105.1ºC
Exact Mass	342.15300
PSA	64.61000
LogP	2.09320
Vapour Pressure	0.00935mmHg at 25°C
Index of Refraction	1.423

HS Code	2920909090

Precursor 10
4667-99-6 64-17-5 998-30-1 141-52-6
78-10-4 14986-21-1 18134-84-4 29167-65-5
133902-86-0 109-72-8
DownStream 4
17995-36-7 75144-60-4 78-10-4 75-00-3

HS Code	2920909090
Summary	2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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