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78-09-1

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78-09-1 Structure

Identification	More
[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 Properties	Back 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
[InChI] 1S/C9H20O4/c1-5-10-9(11-6-2,12-7-3)13-8-4/h5-8H2,1-4H3
[InChIKey] CWLNAJYDRSIKJS-UHFFFAOYSA-N
[SMILES] CCOC(OCC)(OCC)OCC
[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 Data	Back Directory
[Symbol(GHS) ] GHS02,GHS07
[Signal word ] Warning
[Hazard statements ] H315-H319-H226
[Precautionary statements ] P241-P280a-P303+P361+P353-P501a-P210-P233-P240-P241+P242+P243-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P370+P378-P403+P235-P501
[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
[REACH Registrations] Active
[HazardClass ] 3
[PackingGroup ] III
[HS Code ] 29209010
[Storage Class] 3 - Flammable liquids
[Hazard Classifications] Flam. Liq. 3

Raw materials And Preparation Products	Back Directory
[Raw materials] Sodium ethoxide-->Trichloronitromethane
[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 Information	Back 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 Detail	Back 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 Information	Back 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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78-09-1

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