Ethyl silicate CAS#78-10-4

CAS Number: 1592-20-7
Chemical Formula: C8H20O4Si
Synonyms:

Silane, tetraethoxy-
Tetraethyl Orthosilicate 〔Ethyl Silicate〕
Tetraethoxysilane, 99.999+% (metals basis)

Appearance: Transperant Liquid

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

Ethyl silicate CAS#78-10-4

Ethyl silicate is a flammable, colourless liquid with a mild, sweet, alcohol-like odour. Exposure to ethyl silicate can occur through inhalation, ingestion, and eye or skin contact. It is practically insoluble in water, soluble in alcohol, and slightly soluble in benzene.

Ethyl silicate 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.	Store below +30°C.
solubility	Soluble in ethanol and 2-propanol.
form	Liquid
color	Colorless
Specific Gravity	0.934
PH	7 (20°C)
explosive limit	1.3-23%(V)
Water Solubility	Hydrolysis
FreezingPoint	-77℃
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
Sensitive	Moisture Sensitive
Merck	14,3851
BRN	1422225
Exposure limits	ACGIH: TWA 10 ppm OSHA: TWA 100 ppm(850 mg/m3) NIOSH: IDLH 700 ppm; TWA 10 ppm(85 mg/m3)
Dielectric constant	4.1（20℃）
Stability:	Stable. Flammable. Incompatible with strong oxidizing agents, water, alkalies, mineral acids.
Cosmetics Ingredients Functions	NOT REPORTED
InChI	1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3
InChIKey	BOTDANWDWHJENH-UHFFFAOYSA-N
SMILES	CCO[Si](OCC)(OCC)OCC
CAS DataBase Reference	78-10-4(CAS DataBase Reference)
NIST Chemistry Reference	Silicic acid (H4sio4), tetraethyl ester(78-10-4)
EPA Substance Registry System	Tetraethyl silicate (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
OEB	A
OEL	TWA: 10 ppm (85 mg/m3)
WGK Germany	1
RTECS	VV9450000
Autoignition Temperature	230 °C
TSCA	TSCA listed
HS Code	2920 90 70
HazardClass	3
PackingGroup	III
Storage Class	3 - Flammable liquids
Hazard Classifications	Acute Tox. 4 Inhalation Eye Irrit. 2 Flam. Liq. 3 STOT SE 3
Hazardous Substances Data	78-10-4(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 6270 mg/kg LD50 dermal Rabbit 5860 mg/kg
IDLA	700 ppm

Product Application of Ethyl silicate CAS#78-10-4Tetraethyl orthosilicate is Used as insulating materials in electronic industry, also used for optical glass processing and used as coagulants.

For precision casting, as a sand binder. Metal surface treated by ethyl silicate vapor can be anticorrosion and waterproof. Ethyl silicate can be used to bleed on the metal surface of the silicon, processing optical glass can improve its light transmittance. Fine silica powder produced by complete hydrolysis can be used to manufacture the phosphor. Ethyl silicate is raw material for silicone oil. Ethyl silicate can also be used to manufacture heat-resistant, chemical-resistant coatings. In Japan, 90% of ethyl silicate is used as an anti-corrosion coating (zinc-rich paint) base material.

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