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676-97-1 - Methylphosphonic dichloride, 98% - Methanephosphonic dichloride - A14790 - Alfa Aesar

A14790 Methylphosphonic dichloride, 98%

CAS Number
676-97-1
Synonyms
Methanephosphonic dichloride

Size Price ($) Quantity Availability
5g 53.91
25g 231.30
100g 747.20
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Methylphosphonic dichloride, 98%

MDL
MFCD00002071
EINECS
211-634-4

Chemical Properties

Formula
CH3Cl2OP
Formula Weight
132.92
Melting point
28-34°
Boiling Point
59-60°/11mm
Flash Point
>110°(230°F)
Density
1.468
Sensitivity
Moisture Sensitive
Solubility
Soluble in water.

Applications

Methylphosphonic dichloride is used for the preparation of oligonucleotides. It is also used in Suzuki reaction. It serves as a precursor to several chemical weapon agents. Further, it reacts with hydrogen fluoride to get methylphosphonyl difluoride which is used in the production of sarin and soman nerve agents. In addition to this, it undergoes condensation reactions with aminobenzenes and alcohols.

Notes

Moisture sensitive. Incompatible with strong bases, alcohols and strong oxidizing agents.

Literature References

Precursor of bis(2,2,2-trifluoroethyl) carboxymethylphosphonate, a useful intermediate for the Horner-Wadsworth-Emmons synthesis of (Z)-acrylates: Tetrahedron Lett., 24, 4405 (1983); Org. Synth. Coll., 9, 88 (1998).

Hoang, D.; Kim, W.; An, H.; Kim, J. Flame retardancies of novel organo-phosphorus flame retardants based on DOPO derivatives when applied to ABS. Macromol. Res. 2015, 23 (5), 442-448.

Steinbach, T.; Wahlen, C.; Wurm, F. R. Poly(phosphonate)-mediated Horner-Wadsworth-Emmons reactions. Polym. Chem. 2015, 6 (7), 1192-1202.

GHS Hazard and Precautionary Statements

Hazard Statements: H330-H314-H318

Fatal if inhaled. Causes severe skin burns and eye damage. Causes serious eye damage.

Precautionary Statements: P260-P284-P280-P303+P361+P353-P304+P340-P305+P351+P338-P320-P301+P330+P331-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Wear respiratory protection. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Specific treatment is urgent (see label). IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
1071305
Hazard Class
6.1
Packing Group
II
Harmonized Tariff Code
2931.90
TSCA
Yes
RTECS
TA1840000

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