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Diethyl phosphite, 96%, Thermo Scientific Chemicals

Catalog No. AA43801A1
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Intermediate for preparation of phosphonate esters

Diethyl phosphite used as intermediate for extraction agent and phosphoric acid esters. It is also used as solvent and acid acceptor in the synthesis of polypeptide. It is also used in the synthetic reaction. It is a precursor of phosphorous which is used for the synthesis of various organophosphorus compounds.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

CAS

762-04-9

Molecular Formula

C4H10O3P+

Molecular Weight (g/mol)

137.095

MDL Number

MFCD00044573

InChI Key

LXCYSACZTOKNNS-UHFFFAOYSA-N

Synonym

diethyl phosphite, diethyl phosphonate, phosphonic acid, diethyl ester, phosphonic acid diethyl ester, diethoxyphosphine oxide, hydrogen diethyl phosphite, diethyl acid phosphite, o,o-diethyl phosphonate, phosphorous acid, diethyl ester, ethyl phosphonate eto 2hpo

PubChem CID

6327654

IUPAC Name

diethoxy(oxo)phosphanium

SMILES

CCO[P+](=O)OCC

Specifications

Melting Point

-70°C

Color

Colorless

Density

1.070 g/mL

Boiling Point

50°C to 51°C (2 mmHg)

Flash Point

74°C (165°F)

Odor

Weak

Quantity

1 kg

Sensitivity

Moisture sensitive

Solubility Information

Miscible in water.

Formula Weight

138.1

Percent Purity

96%

Physical Form

Liquid

Chemical Name or Material

Diethyl phosphite

Hazard Category

H227-H317-H318

Hazard Statement

GHS H Statement
H318-H317-H227
Causes serious eye damage.
May cause an allergic skin reaction.
Combustible liquid.

Precautionary Statement

P210-P261-P272-P280-P302+P352-P305+P351+P338-P310-P333+P313-P363-P370+P378q-P501c

EINECSNumber

212-091-6

RTECSNumber

TG7875000

TSCA

Yes

Recommended Storage

Ambient temperatures; Store under Nitrogen

RUO – Research Use Only

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