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122-51-0

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Identification

Name
Triethyl orthoformate
CAS
122-51-0
Synonyms
1,1,1-TRIETHOXYMETHANE
AETHON
AKOS BBS-00004276
ETHONE
ETHYL-O-FORMATE
ETHYL ORTHOFORMATE
ORTHOFORMIC ACID TRIETHYL ESTER
TEOF
TRIETHOXYMETHANE
TRIETHYL-O-FORMATE
TRIETHYL ORTHOFORMATE
1-(Diethoxymethoxy)ethane
1,1',1'-(Methylidynetris(oxy))tris(ethane)
1,1’,1’-(methylidynetris(oxy))tris(ethane)
1,1’,1’’-[methylidynetris(oxy)]tris-ethan
1,1’,1’’-[methylidynetris(oxy)]tris-Ethane
Ethane, 1,1',1''-[methylidynetris(oxy)]tris-
Ethane,1,1’,1’’-[methylidynetris(oxy)]tris-
Ethyl formate(ortho)
Ethylester kyseliny orthomravenci
EINECS(EC#)
204-550-4
Molecular Formula
C7H16O3
MDL Number
MFCD00009230
Molecular Weight
148.2
MOL File
122-51-0.mol

Chemical Properties

Appearance
clear colourless liquid
Appearance
Colorless liquid; pungent odor. Highly flammable. Slightly soluble in water; soluble in alcohol, ether; decomposes in water.
mp 
−76 °C(lit.)

bp 
146 °C(lit.)

density 
0.891 g/mL at 25 °C(lit.)

vapor density 
5.11 (vs air)

vapor pressure 
2.9 mm Hg ( 20 °C)

refractive index 
n20/D 1.391(lit.)

Fp 
86 °F

storage temp. 
Flammables area
Water Solubility 
1.35 g/L
Sensitive 
Moisture Sensitive
Merck 
14,6884
BRN 
605384
CAS DataBase Reference
122-51-0(CAS DataBase Reference)
NIST Chemistry Reference
Ethyl orthoformate(122-51-0)

Safety Data

Hazard Codes 
Xi
Risk Statements 
R10:Flammable.
R36:Irritating to the eyes.
R36/38:Irritating to eyes and skin .
Safety Statements 
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 .
S37/39:Wear suitable gloves and eye/face protection .
S36:Wear suitable protective clothing .
RIDADR 
UN 2524 3/PG 3

WGK Germany 
1

RTECS 
RM6475000


21
HazardClass 
3
PackingGroup 
III
HS Code 
29159080
Safety Profile
Moderately toxic by ingestion. Mddly toxic by inhalation, skin contact, and subcutaneous routes. A skin and eye irritant. A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidzing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also ESTERS.

Raw materials And Preparation Products

Raw materials
Etanol-->Sodium-->Chloroform-->Sodium ethoxide-->Benzoyl chloride-->Sodium ethylate solution,in ethyl alcohol
Preparation Products
3-(1,3,4-OXADIAZOL-2-YL)PYRIDINE-->1-CYCLOHEXYLURACIL-->METHYL 5-AMINOISOXAZOLE-4-CARBOXYLATE-->1-(4-METHYL-2-(METHYLTHIO)PYRIMIDIN-5-YL)ETHANONE-->4-Acetylphenylboronic acid-->4-AMINO-2-(ETHYLTHIO)-5-(HYDROXYMETHYL)PYRIMIDINE-->1-Cyclohexyl-1,2,3,4-tetrahydro-2,4-dioxopyrimidine-5-carbonitrile ,97%-->2-Formylfuran-5-boronic acid-->Estazolam-->2,4-DIAMINOPYRIMIDINE-5-CARBOXYLIC ACID-->4-Methylpyrimidine-->2-AMINO-3,5-DICYANOPYRIDINE-->ETHYL 4-HYDROXY-6-(TRIFLUOROMETHYL)QUINOLINE-3-CARBOXYLATE-->4(3H)-Pyrimidinone, 5-methyl-2-(methylthio)--->1-CHLORO-4-ISOCYANOBENZENE-->4, 6-DIHYDROXYNICOTINIC ACID ETHYL ESTER-->ETHYL 2-HYDROXY-4-PHENYLPYRIMIDINE-5-CARBOXYLATE-->2,4-DIAMINOPYRIMIDINE-5-CARBONITRILE-->Ethyl 4-amino-2-(ethylthio)-5-pyrimidinecarboxylate-->ETHYL 2-HYDROXY-4-METHYL-5-PYRIMIDINECARBOXYLATE-->4-Chloro-7-(trifluoromethyl)quinoline-->4-HYDROXY-5,7-BIS-TRIFLUOROMETHYL-QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER-->ETHYL 4-CHLORO-6-(TRIFLUOROMETHYL)-3-QUINOLINECARBOXYLATE-->2-HYDROXY-4-METHYLPYRIMIDINE-5-CARBOXYLIC ACID-->Diethoxymethyl acetate-->3-Aminopyrazole-4-carboxylic acid-->ETHYL 2-(ETHYLTHIO)-4-HYDROXYPYRIMIDINE-5-CARBOXYLATE-->5-AMINO-4-CARBETHOXY-1-PHENYLPYRAZOLE-->2-HYDROXY-4-PHENYLPYRIMIDINE-5-CARBOXYLIC ACID-->5-AMINO-1-PHENYLPYRAZOLE-4-CARBONITRILE-->ETHYL 3-(TRIFLUOROMETHYL)PYRAZOLE-4-CARBOXYLATE-->5-CARBETHOXYURACIL-->3-(2-FLUOROBENZYL)THIENO[2,3-D]PYRIMIDIN-4(3H)-ONE-->N-FORMYLGLYCINE ETHYL ESTER-->4-AMINO-2-(METHYLTHIO)PYRIMIDINE-5-CARBONITRILE-->2-AMINO-6-CHLORO-3,5-DICYANOPYRIDINE-->1H-Imidazole-4,5-dicarbonitrile-->Chloromethyltriethoxysilane

Hazard Information

General Description
A clear, colorless liquid with a pungent odor. Less dense than water. Flash point 86°F. Vapors heavier than air. May irritate skin and eyes. Used to make other chemicals.
Reactivity Profile
ETHYL ORTHOFORMATE(122-51-0) is an ester. Esters react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides.
Air & Water Reactions
Highly flammable. Slightly soluble in water.
Hazard
Flammable, moderate fire risk.
Health Hazard
May cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Fire Hazard
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

Material Safety Data Sheet(MSDS)

Spectrum Detail

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