Diphenyldiethoxysilane
- CAS NO.:2553-19-7
- Empirical Formula: C16H20O2Si
- Molecular Weight: 272.41
- MDL number: MFCD00015126
- EINECS: 219-860-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02

What is Diphenyldiethoxysilane?
Chemical properties
Colorless or yellowish transparent liquid
The Uses of Diphenyldiethoxysilane
Reagent for preparation of diphenylsilylene derivatives of diols by exchange.
The Uses of Diphenyldiethoxysilane
A new diethoxydiphenylsilane based solid-phase microextraction fiber was developed to extract trace levels of polycyclic aromatic hydrocarbons in millk, {48} human urine.{49} Diethoxydiphenylsilane based coating can be used to detect explosives (2,4,5-trinitrotoulene, 2,4-dinitrotoluene, 2,4-dinitrotoluence) and explosive taggants (ethylene glycol dinitrate).{50} This alkylsilylation reagent may be used for surface modification of nanoporous rice husk silica (RHS).{51}
Properties of Diphenyldiethoxysilane
Boiling point: | 167 °C15 mm Hg(lit.) |
Density | 1.033 g/mL at 25 °C(lit.) |
refractive index | n |
Flash point: | >230 °F |
form | liquid |
color | Colorless to Almost colorless |
Specific Gravity | 1.033 |
Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
Sensitive | Moisture Sensitive |
BRN | 2281302 |
CAS DataBase Reference | 2553-19-7(CAS DataBase Reference) |
NIST Chemistry Reference | Silane, diethoxydiphenyl-(2553-19-7) |
EPA Substance Registry System | Silane, diethoxydiphenyl- (2553-19-7) |
Safety information for Diphenyldiethoxysilane
Signal word | Warning |
Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Diphenyldiethoxysilane
InChIKey | ZZNQQQWFKKTOSD-UHFFFAOYSA-N |
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