Trimethyl phosphite(121-45-9) IR1

Product NameTrimethyl phosphite

CAS 121-45-9

Molecular FormulaC3H9O3P

Molecular Weight124.08

InChIInChI=1S/C3H9O3P/c1-4-7(5-2)6-3/h1-3H3

InChIKey CYTQBVOFDCPGCX-UHFFFAOYSA-N

SmilesP(OC)(OC)OC

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Mass

MS-NW-0817          
trimethyl phosphite
C3H9O3P             (Mass of molecular ion:    124)

   Source Temperature: 220 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      15.0       8.7
      28.0       1.6
      29.0       4.6
      31.0       3.9
      45.0       7.1
      47.0      23.4
      48.0       2.4
      49.0       1.6
      62.0       6.2
      63.0      46.6
      77.0       3.1
      79.0      21.1
      80.0       4.2
      93.0     100.0
      94.0      28.0
      95.0       2.2
     109.0      57.3
     110.0       4.4
     124.0      39.4
     125.0       1.4

parameter in CDCl3

¹H NMR	300 MHz
C₃ H₉ O₃ P	0.02 ml : 0.5 ml CDCl₃
trimethyl phosphite

    Parameter     ppm  Hz

      D(A)         3.525
       J(A,P-31)      10.6

     Hz     ppm     Int.

   1062.80   3.543   1000
   1052.20   3.507   1000

in CDCl3

CCl4 solution

liquid film

4880 A,200 M,liquid

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