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ChemicalBook--->CAS DataBase List--->78-09-1

78-09-1

78-09-1 Structure

78-09-1 Structure
IdentificationMore
[Name]

Tetraethyl orthocarbonate
[CAS]

78-09-1
[Synonyms]

ORTHOCARBONIC ACID TETRAETHYL ESTER
TETRAETHOXYMETHANE
TETRAETHYL ORTHOCARBONATE
1-(Triethoxymethoxy)ethane
1,1’,1’’,1’’’-[methanetetrayltetrakis(oxy)]tetrakis-ethan
Tetraehtylorthocarbonate
Tetraethyl-2-carbonate
Tetraethyl orthocarbonate, 98+%
Ethane, 1,1,1,1-methanetetrayltetrakis(oxy)tetrakis-
Tetraethyl orthocarbonate 98%min CAS[78-09-1
ethyl orthocarbonate
triethoxymethoxy-ethane
Tetraethyl orthocarbonate (TEOC)
TRIETHYL ORTHOCARBONATE
[EINECS(EC#)]

201-082-2
[Molecular Formula]

C9H20O4
[MDL Number]

MFCD00009221
[Molecular Weight]

192.25
[MOL File]

78-09-1.mol
Chemical PropertiesBack Directory
[Appearance]

clear colorless liquid
[Melting point ]

222 °C
[Boiling point ]

159 °C (lit.)
[density ]

0.919 g/mL at 25 °C(lit.)
[refractive index ]

n20/D 1.392(lit.)
[Fp ]

127 °F
[storage temp. ]

Refrigerator
[solubility ]

soluble in Chloroform, Methanol
[form ]

clear liquid
[color ]

Colorless to Almost colorless
[Specific Gravity]

0.919
[Water Solubility ]

Insoluble
[Sensitive ]

Moisture Sensitive
[BRN ]

1747401
[CAS DataBase Reference]

78-09-1(CAS DataBase Reference)
[NIST Chemistry Reference]

Ethane, 1,1',1'',1'''-[methanetetrayltetrakis(oxy)]tetrakis-(78-09-1)
[EPA Substance Registry System]

78-09-1(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi,F
[Risk Statements ]

R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S16:Keep away from sources of ignition-No smoking .
S36:Wear suitable protective clothing .
[RIDADR ]

UN 3272 3/PG 3
[WGK Germany ]

3
[F ]

21
[HazardClass ]

3
[PackingGroup ]

III
[HS Code ]

29209010
Raw materials And Preparation ProductsBack Directory
[Preparation Products]

Prednicarbate-->Ethyl-2-Ethoxy-1-[[(2'-Cyanobiphenyl-4-yl) Methyl] Benzimidazole]-7-Carboxylate-->1,2,3-TRIPHENYLGUANIDINE-->Tetramethoxymethane-->3,5-DIMETHYL-4-HEPTANONE-->1H-Benzimidazole,2-ethoxy-1-methyl-(9CI)-->Methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylate-->1H-Benzimidazole,2-ethoxy-(9CI)
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Tetraethoxymethane(78-09-1).msds
Hazard InformationBack Directory
[Chemical Properties]

clear colorless liquid
[Uses]

Tetraethyl Orthocarbonate is used in the synthesis of chemokine receptor-5 inhibitors against HIV-1, benzobisoxazoles and in the preparation of organic semiconductors. It is also employed in the synthesis of 2,7-dimethylene-1,4,6,9-tetraoxaspiro[4,4]nonane and in the synthesis of cross linked poly(orthocarbonate)s used as organic solvent absorbent.
[Purification Methods]

Likely impurities are hydrolysis products. Shake the orthocarbonate with brine (saturated NaCl, dilute with a little Et2O if amount of material is small) and dry (MgSO4). The organic layer is filtered off and evaporated, and the residue is distilled through a helices packed fractionating column with a total reflux partial take-off head. All distillations can be done at atmospheric pressure in an inert atmosphere (e.g. N2). [Roberts & McMahon Org Synth Coll Vol IV 457 1963, Connolly & Dyson J Chem Soc 828 1937, Tieckelmann & Post J Org Chem 13 266 1948, for review see Kantlehner et al. Justus Liebigs Ann Chem 507 207 1982, Beilstein 3 IV 6.]
Spectrum DetailBack Directory
[Spectrum Detail]

Tetraethyl orthocarbonate(78-09-1)MS
Tetraethyl orthocarbonate(78-09-1)1HNMR
Tetraethyl orthocarbonate(78-09-1)13CNMR
Tetraethyl orthocarbonate(78-09-1)IR1
Tetraethyl orthocarbonate(78-09-1)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Tetraethyl orthocarbonate, 97%(78-09-1)
[Alfa Aesar]

Tetraethyl orthocarbonate, 98+%(78-09-1)
[Sigma Aldrich]

78-09-1(sigmaaldrich)
[TCI AMERICA]

Tetraethoxymethane,>97.0%(GC)(78-09-1)
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