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Tetraethoxysilane (TEOS)

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Formula: C8H20O4Si
CAS: 78-10-4
search Element: tetraethoxysilane teos
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Identification

Structural Formula
Tetraethoxysilane (TEOS)
CAS:
78-10-4
EINECS:
201-083-8
Molecular Formula:
C8H20O4Si
MDL:
MFCD00009062
Synonym:
es28 ; dynasil a ; silikanl ; teos ; (c2h5o)4si ; es28(ester) ; es 28 ester ; es100 ; dynasila ; silester




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Prices & Availability




Data is processed


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Properties for Tetraethoxysilane (TEOS)

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
x

Hazard Statements

GHS02

GHS02
Flammable
  • Flammable gases, category 1
  • Flammable aerosols, categories 1, 2
  • Flammable liquids, categories 1, 2, 3
  • Flammable solids, categories 1, 2
  • Self-reactive substances and mixtures, types B, C, D, E, F
  • Pyrophoric liquids, category 1
  • Pyrophoric solids, category 1
  • Combustible solids, category 3
  • Combustible liquids, category 3
  • Self-heating substances and mixtures, categories 1, 2
  • Substances and mixtures, which in contact with water, emit flammable gases, categories 1, 2, 3
  • Organic peroxides, types B, C, D, E, F
GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
    • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:
R10 - Flammable
R20 - Harmful by inhalation
R36/37 - Irritating to eyes and respiratory system
R36/37/38 - Irritating to eyes, respiratory system and skin
Safety Codes:
S16 - Keep away from sources of ignition - No smoking
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
Hazard Classes:
3
Hazard Symbols:
Xn
Hazard symbol Xn
Storage temperature :
Flammables area
RID/ADR certification :
UN 1292 3 / PG 3
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Alternative Distributors of [Tetraethoxysilane (TEOS)]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Rongkang Industry Co.,Ltd - (NSTU Chemicals Hanggzhou Co.,) | Gelest, Inc. | Zibo Linzi Qiquan Industrial Trade Co., Ltd. | ABCR GmbH & Co. KG | Pharmasi Chemicals Co., Ltd. | Sigmasil Chem Co. Ltd.-Silanes | Wuhan University Silicone New Material Co., Ltd. | Hangzhou Feidian Chemical Co., Ltd. | Sibond Co., Ltd | Jinan Haohua Industry Co., Ltd.

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