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Tetraethyl orthosilicate

BGC Id:940037682622
CAS No:78-10-4
Synonyms:silikanl ; (c2h5o)4si ; silester ; dynasila ; dynasil a ; es 28 ester ; es28 ; teos ; es28(ester) ; es100
Molecular Formula:C8H20O4Si
Molecular Weight:208.33
EINECS:201-083-8
Structural Formula

The most competitive supplier in 2025

The following 17 notable providers have been checked and can be recommended.
Chemical-Suppliers
Sancai Industry
Characteristics Cloroless transparent liquid
Colour Value (Pt-co) <30
Content > 99%
Silica content, by wt as SiO2 28%
Aci
>>more
Chemical-Suppliers
H&Z Industry
Types: 28% 32% 40% | Package: 200L | Appearance: Cloroless transparent liquid | Colour Value (Pt-co): <30 | Content: > 99% | Silica content, by wt as SiO2: 28% | Acidity, max. (as HCI): <0.01 | Specific Gravity at 20℃: 0.929-0.936

Chemical-Suppliers
Leap Chem
Molecular Formula: C8H20O4Si Molecular Weight: 208.33 Hazard Symbols: Xn UN Number: UN 1292 3/PG 3 WGKGermany: 1 PackingGroup: III HS Code: 2920 90 70
Chemical-Suppliers
Getchem
Synonyms SILICON TETRAETHOXIDE; TEOS; TETRAETHOXYSILANE; TETRAETHYL SILICATE; TETRAETHYL ORTHOSILICATE; ORTHOSILICIC ACID TETRAETHYL ESTER; ETHYL-O-SILICATE; ETHYL ORTHOSILICATE
Package 180kg/drum
Supply capacity 5000mt per year
>>more
Chemical-Suppliers
BuGuCh & Partners
Product name:Tetraethyl orthosilicate Synonyms:SILICON TETRAETHOXIDE;TEOS;TETRAETHOXYSILANE;TETRAETHYL SILICATE; TETRAETHYL ORTHOSILICATE;ORTHOSILICIC ACID TETRAETHYL ESTER;ETHYL-O-SILICATE;ETHYL ORTHOSILICATE CAS:78-10-4 Formula:C8H20O4Si Molecular weight:208.33 Package:180kg/drum Supply capacity:5000mt per year Melting point:-77 °C Boiling point:168 °C(lit.) Density:0.94 Vapor density:7.2 (vs air) Vapor pressure:<1 mm Hg ( 20 °C) Refractive index:n20/D 1.382(lit.) flash point:116 °F Storage:Flammables area Water solubility:Hydrolysis Freezing point:-77°C Sensitivity:Moistu >>more

The last intensive check and update was carried out on 2025/09/03.

Identify

Synonyms:
silikanl ; (c2h5o)4si ; silester ; dynasila ; dynasil a ; es 28 ester ; es28 ; teos ; es28(ester) ; es100
CAS:
78-10-4
EINECS:
201-083-8
Molecular Formula:
C8H20O4Si
MDL:
MFCD00009062
SMILES:
B(C1=C(C(=C(C=C1)Cl)Cl)Cl)(O)O

Properties

Molecular Weight:
208.33 g·mol−1
Density:
0.933 g/mL at 20 °C(lit.)
Melting point:
-77 °C
Boiling point:
168 °C(lit.)
Flash point:
116 ºF
download Download Molfile

Suppliers

Shandong Chuangying Chemical Co., Ltd.

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Country: P.R.China   Phone: +86 18853181302  

OPQ Chemical Co., Ltd

Company type: Producer
Country: P.R.China
Phone: +86-17615852982
OPQ Chemical is a high tech enterprise,located in China Spring city(Jinan).Mainly engages in the development and production of phenolic and quinones,additive agents, dying stuffs, and pesticide intermediates,and also has been involved in other fine chemicals,cosmetic raw materials etc.And actively practices the business philosophy of "MY heart, let you feel more assured". We are supplier of DTPA K5 40%. OPQ has international advanced production technology and equipment, the company's marketing network thro ...

Anderson & Steinssen Inc

Anderson & Steinssen Inc also offers Zinc oxide, nano. Anderson & Steinssen Inc is a new materials supplier with technology information sharing, THE BEST INGREDIENTS
Company type: Bulk chemical supplier
Country: USA
Phone: +1 206 556 7669
Telefax: +1 425 5299207

Sancai Industry Co.,Ltd.

Company type: Leading producer
Sancai Industry is involved in supplying of fine chemicals, food and nutrition,personal care, medical intermediate etc, We can also customize chemicals for our customers.Taking advantage of innovative technology and excellent talents and through over 15 years of development,We have stabled good relation with clients in and abroad. In order to be competitive on the market. We have established the global marketing network, independent research center, testing center, and key ...
Country: P.R.China   Phone: +86-531-88913079   Telefax: +86-531-88913079

Shandong Minglang Chemical Co., Ltd

Company type: Producer
Country: P.R.China
Phone: +86-13220566916
Telefax: +86 531 58990167
Minglang Chemical is owned by Minglang Group,is a large manufacturer of fine chemicals and cosmetic materials that integrates R&D,production and sales together.It is located in the east of the Nanwang Economic Development District in Linzi,and the west of it is Qilu Petroleum Chemical Group,the east of it is Zijiang Road and the transportation is convenient.The enterprise covers an area of 9,000 square meters and the building area can be 3,200 square meters. We provide 3,4-Dimethoxybenzophenone as well. In recent years,t ...

Shandong Lanhai Industry Co.,Ltd.

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H&Z Industry Co.,Ltd

H&Z Industry Co.,Ltd is a large reliable and professional manufacturer of chemical materials and pharmaceutical intermediate. H&Z Industry Co.,Ltd also offers 3-Methacryloxypropylmethyldimethoxysilane. With about 10 years experiences in this field, now we are a capable provider of customized product, and we can provide gram level to ton level of products. What we can give to customers: thoughtful services, high-quality products, competitive price, Looking forward building long-term cooperative relationships with our business partners.
Country: P.R.China   Phone: +86 13583185792   Telefax: +86 531 88905468

Hangzhou Keying Chem Co., Ltd.

Country: P.R.China
Phone: +86-571-85378921
Telefax: +86-571-85378913
Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. We supply our chemical product Zinc bis(4-hydroxybenzenesulfonate). As a technology innovative and service professional enterprise, Our company mainly engages in global pharmaceutical, chemical and biological service. After years of development, our company has accumulated abundant products resources in local China and international market which increasingly satisfy development requirements of customers. The p ...

Lori Industry Co., Ltd

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Company type: Bulk chemical producer
Country: P.R.China
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Telefax: +86-13011713125

Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)

Company type: Producer
Hangzhou Meite Industry Co., Ltd. is an international high-tech enterprise founded in 1998, specialized in R&D and manufacture on intermediates, medicines, agrochemical, dyestuff, flavor, fragrance, cosmetic, natural extracts series products. We have an efficient R&D centre, get a strong technical support from Zhejiang University of Technology and Institute of Chemistry, Wuhan Branch, Chinese Academy of Sciences. Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) also offers Sulfadiazine. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fi ...
Country: P.R.China   Phone: +86 571 88026825   Telefax: +86 571 88282557

Dayang Chem (Hangzhou) Co.,Ltd.

Company type: Leading producer
Country: P.R.China
Phone: +86-571-88938639
Telefax: +86-571-8893-8652
Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. We act also as agent of many chemical factories and promote their products to the international market at very competitive price. 2-(3-(3-2-(7-Chloro-2-quinolinyl)ethyl)phenyl)-3-oxopropylbenzoic acid methyl ester is also served by Dayang Chem (Hangzhou) Co.,Ltd.. We take "Credi first, Clients supreme" as our aim. We expect to cooperate with more partners in ...

Hangzhou Lingrui Chemical Co., Ltd.

Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. In our R&D centre, we have a staff of skilled and experienced research chemists. Hangzhou Lingrui Chemical Co., Ltd. also offers Koumine. This has enabled us to meet the special requirements of our customers and it has enabled us to provide quality products at competitive prices. Lingrui’s credo is committed to your reliable business partne ...
Company type: Producer
Country: P.R.China
Phone: +86-571-88092529
Telefax: +86-571-87334908

AK Scientific, Inc.

Company type: Supplier
AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Ethyl 5-amino-1H-pyrazole-3-carboxylate is also served by AK Scientific, Inc.. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. All these products are stocked in multiple, convenient, sizes to fit your specific needs. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific products can be searched by Name (or ...
Country: USA   Phone: +1 (510) 429-8835   Telefax: +1 (510) 429-8836

Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier
Country: P.R.China
Phone: +852-30606658
LEAPChem, a specialized fine chemicals supplier for research, development and production. tert-Butyl 4-bromo-3-methylbenzoate is also served by Leap Chem Co., Ltd. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...

BIOZOL Diagnostica Vertrieb GmbH

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Company type: Supplier of chemical products
Country: Germany
Phone: +49-871-966346-0
Telefax: +49-871-966346-13

Haihang Industry Co., Ltd.

Haihang Industry Co., Ltd.,is a leading producer and supplier of chemicals industry in china. By integrating people, technology and potential, we endeavor to make contribution to the betterment of human society. We develop, produce and distribute high quality pharmaceutical chemicals, special chemicals and other fine chemicals. Chlorfenethol is also served by Haihang Industry Co., Ltd..
Country: P.R.China   Phone: +86 13386404752   Telefax: +86-531-85821093

BuGuCh & Partners

Company type: Producer
Country: Germany
We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

Safety Information

Hazard Classes:
3
Risk Codes:
10-20-36/37-36/37/38 (R)
Safety Codes:
16-36/37/39-26 (S)
WGK Germany:
1
RID / ADR:
UN 1292 3 / PG 3
RTECS:
VV9450000
Storage temperature:
Flammables area

What other providers are available for CAS 78-10-4?

In addition to the providers presented here for Tetraethyl orthosilicate with the CAS number 78-10-4, there are other 45 providers with slightly different product names available for this CAS number.

Senzhuo Industry Co.,Ltd
Zhangjiagang Fortune Chemical Co., Ltd | Shanghai Mintchem Development Co., Ltd. | Simagchem Corporation | Shandong SanYoung Industry Co., Ltd | Xiamen Equation Chemical Co.,Ltd +6 additional providers that we know from the past
Shanghai Mintchem Development Co., Ltd. | Xingrui Industry Co., Limited | Zehao Industry Co., Ltd. | Carbone Scientific Co., Ltd. | Xiamen Equation Chemical Co.,Ltd | BuGuCh & Partners +15 additional providers that we know from the past
+2 additional providers that we know from the past
+1 additional providers that we know from the past
+1 additional providers that we know from the past
+2 additional providers that we know from the past




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