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Basic Information
CAS No.: 15845-66-6
Name: Ethyl phosphite
Article Data: 22
Molecular Structure:
Molecular Structure of 15845-66-6 (Ethyl phosphite)
Formula: C2H7O3P
Molecular Weight: 110.05
Synonyms: Ethylphosphonate (6CI,7CI);Ethyl hydrogen phosphonate;Fosetyl;Monoethyl phosphite;Monoethyl phosphonate;
EINECS: 229-839-2
Boiling Point: 176.013 °C at 760 mmHg
Flash Point: 60.251 °C
Appearance: light yellow liquid
Transport Information: UN 1759
PSA: 70.00000
LogP: 0.40490
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Chemistry

Molecule structure of Phosphonic acid,monoethyl ester (CAS NO.15845-66-6):

IUPAC Name: Ethoxy-hydroxy-oxophosphanium
Molecular Weight: 110.0489 [g/mol]
Molecular Formula: C2H7O3P 
Flash Point: 60.251 °C
Enthalpy of Vaporization: 45.464 kJ/mol
Boiling Point: 176.013 °C at 760 mmHg
Vapour Pressure: 0.533 mmHg at 25 °C
H-Bond Donor: 1
H-Bond Acceptor: 3
Rotatable Bond Count: 2
Exact Mass: 109.005456
MonoIsotopic Mass: 109.005456
Topological Polar Surface Area: 46.5
Heavy Atom Count: 6
Formal Charge: 1
Complexity: 52.8
Canonical SMILES: CCO[P+](=O)O
InChI: InChI=1S/C2H5O3P/c1-2-5-6(3)4/h2H2,1H3/p+1
InChIKey of Phosphonic acid,monoethyl ester (CAS NO.15845-66-6): ZUNGGJHBMLMRFJ-UHFFFAOYSA-O

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC inhalation > 1gm/m3/10M (1000mg/m3)   National Defense Research Committee, Office of Scientific Research and Development, Progress Report.Vol. NDCrc-132, Pg. DEC1942

Safety Profile

RIDADR: 1759
HazardClass: 8
PackingGroup: III

Specification

 Phosphonic acid,monoethyl ester (CAS NO.15845-66-6) is also called Ethyl hydrogen phosphonate (9CI) ; Ethyl phosphite ; Ethyl phosphonate ; Fosetyl ; Monoethyl phosphite ; Monoethyl phosphonate ; Phosphonic acid, monoethyl ester .