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Home > Products >  Tetraethyl orthosilicate / high quality

Tetraethyl orthosilicate / high quality CAS NO.78-10-4

  • FOB Price: USD: 1.00-1.00 /Kilogram Get Latest Price
  • Min.Order: 5 Kilogram
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Quick Details

  • ProName: Tetraethyl orthosilicate / high qualit...
  • CasNo: 78-10-4
  • Molecular Formula: C8H20O4Si
  • Appearance: ask
  • Application: intermediates
  • DeliveryTime: Within 7 days after payment
  • PackAge: foil aluminium bag/vacuum packing
  • Port: shanghai
  • ProductionCapacity: 100 Kilogram/Week
  • Purity: 85.0-99.8%
  • Storage: Keep in dry and cool condition
  • Transportation: by air or by sea
  • LimitNum: 5 Kilogram


Contact:Emma        MOL: +86-15738360906      E-mail:
Product Name: Tetraethyl orthosilicate
Synonyms: Tetraethyl Orthosilicate 〔Ethyl Silicate〕;etylukrzemian(polish);Silane, tetraethoxy-;silane,tetraethoxy-;Silbond condensed;Silester;Silicate d'ethyle;Silicate tetraethylique
CAS: 78-10-4
MF: C8H20O4Si
MW: 208.33
EINECS: 201-083-8
Product Categories: Si (Classes of Silicon Compounds);Si-O Compounds;Tetraalkoxysilanes;Crosslinkers;Crosslinking Agents;Orthosilicate;organosilicon compounds;New Products for Materials Research and Engineering;Vapor Deposition Precursors;inorganic binder for refactory fillers;silane;14: Silicon;CVD and ALD Precursors Packaged for Deposition Systems;Materials Science;-;Micro &;Micro/NanoElectronics;Nanoelectronics
Mol File: 78-10-4.mol
Tetraethyl orthosilicate Structure
Tetraethyl orthosilicate Chemical Properties
Melting point -77 °C
Boiling point 168 °C(lit.)
density 0.933 g/mL at 20 °C(lit.)
vapor density 7.2 (vs air)
vapor pressure <1 mm Hg ( 20 °C)
refractive index n20/D 1.382(lit.)
Fp 116 °F
storage temp. Flammables area
solubility Soluble in ethanol and 2-propanol.
form Liquid
Specific Gravity 0.934
color Colorless
explosive limit 1.3-23%(V)
Water Solubility Hydrolysis
FreezingPoint -77℃
Sensitive Moisture Sensitive
Merck 14,3851
BRN 1422225
Stability: Stable. Flammable. Incompatible with strong oxidizing agents, water, alkalies, mineral acids.
CAS DataBase Reference 78-10-4(CAS DataBase Reference)
NIST Chemistry Reference Silicic acid (H4sio4), tetraethyl ester(78-10-4)
EPA Substance Registry System Silicic acid (H4SiO4), tetraethyl ester(78-10-4)
Safety Information
Hazard Codes Xn
Risk Statements 10-20-36/37-36/37/38
Safety Statements 16-36/37/39-26-24/25
RIDADR UN 1292 3/PG 3
WGK Germany 1
RTECS VV9450000
Autoignition Temperature 230 °C
HS Code 2920 90 70
HazardClass 3
PackingGroup III
Hazardous Substances Data 78-10-4(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 6270 mg/kg LD50 dermal Rabbit 5860 mg/kg



Henan CoreyChem Co., Ltd, facing global High-tech pharmaceutical raw materials, high value-added new type intermediates fine chemicals custom synthesis, scale-up production and rare chemicals trade. We have experienced research staff, strong technical force, well-equipped machine, and considerate marketing team service, with a strict customer intellectual property security system, we are already become good partner of customers from difficult and complex chemical and biological chemical field. Our high quality & low price and effective services shortened new product development cycle,reduced the development and production cost for numerous partners.
The company has completed numerous domestic and overseas famous pharmaceutical, chemical, biological and other large and medium-sized company R&D outsourcing services, synthesis process development and optimization services, chemical intermediates customized service, special chemical processing and production services, etc., We hope to become continuous mutually beneficial partnership with you, to create a better business opportunities together.
Service Scope:
1. Samples synthetic, Our strong r&d team has accumulated abundant experience in synthesis design and exploring synthesis of new technology. Not only good at heterocyclic chemistry, chiral chemicals (asymmetric synthesis and enzyme reaction), metal organic synthesis, high throughput chemistry, also specializes in bioorganic chemistry including nucleosides, nucleotides, sugar chemical, peptide chemistry, etc, to complete the synthesis from mg to kg samples in lab scale. Our efficient management and good communication skills and ability to solve the problem rapidly in order to ensure quality, timely delivery, based on the standard client confidential system and competitive price products,we has been recognized and praised by many customers in chemical industry.
2. Scale-up production, based on our rich laboratory experience and advanced equipment in production base, also depend on accumulation of advantages in many aspects as industrialized technology development, the production cost control, to provide from kg class to wt class custom synthesis scale-up production services to the global fine chemical industry, can be carried out oxidation, hydrogenation pressure (70 kg), halide, and acylation, esterification, condensation, cyclization, formatting, ammoniation, diazotization and azide reaction, our experienced production management, strict and perfect management system can quickly provide customers with competitive and fine mass production services.
3.Technology transfer, the company has accumulated a large number of production processes of drugs, intermediates and raw material. Based on the principle of mutual benefit, and some technology transfer to industry manufacturers, also provides them marketing support.
4. Purchasing agency service, Our excellence professional sales team, timely and thoughtful service, in addition to the necessary good language communication ability of professional sales staff, also equipped with professional chemical technical sales consultant, who can answer the customer's academic professional question, we are in line with the aim of offering customer wholehearted service, with our advanced testing equipment checks and abundant R&D and production of domestic partner contacts, to provide rare chemicals with standard purity, reasonable price and cost-effective purchasing agency service to foreign customers, and the help you shorten the sourcing time, reduce the purchasing cost.

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