Phosphonitrilic chloride trimer
Synonym(s):1,3,5,2,4,6-Triazatriphosphorine-2,2,4,4,6,6-hexachloride;1,3,5-Triaza-2,4,6-triphosphorin-2,2,4,4,6,6-hexachloride;Hexachlorocyclotriphosphazene
- CAS NO.:940-71-6
- Empirical Formula: Cl6N3P3
- Molecular Weight: 347.66
- MDL number: MFCD00006474
- EINECS: 213-376-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-04 13:44:46
What is Phosphonitrilic chloride trimer?
Chemical properties
white crystalline powder
The Uses of Phosphonitrilic chloride trimer
Reagent for the synthesis of ″dandelion″ (spherical) dendrimers. Ring-opening polymerization, ligand and/or ligand precursor for transition metals, and the study of P-Cl bond substitution reactions are among the interesting uses for this product.
What are the applications of Application
Phosphonitrilic chloride trimer is a ring-opening polymerization, ligand and/or ligand precursor for transition metals
Preparation
Hexachlorocyclotriphosphazene (PNCl2)3 (mp114 ℃, bp 256℃), which is produced on an industrial scale as the starting material for the manufacture of organosubstituted polyphosphazenes. It forms an almost planar six-membered ring with equal P?N bond lengths.
Purification Methods
Purify it by zone melting, by crystallisation from pet.ether, n-hexane or *benzene, and by sublimation. [van der Huizen et al. J Chem Soc, Dalton Trans 1311 1986, Meirovitch et al. J Phys Chem 88 1522 1984, Alcock et al. J Am Chem Soc 106 5561 1984; Winter & van de Grampel J Chem Soc, Dalton Trans 1269 1986.] Phosphoric acid [7664 -38 -2] M 98.0, m 42.3o, pK 1 2.15, pK 2 7.21, pK 3 12.37. Pyrophosphate can be removed from phosphoric acid by diluting with distilled H2O and refluxing overnight. By cooling to 11o and seeding with crystals obtained by cooling a few millilitres in a Dry-ice/acetone bath, 85% orthophosphoric acid crystallises as H3PO4.H2O. The crystals are collected on a sintered glass filter. [Weber & King Inorg Synth I 101 1939.]
Properties of Phosphonitrilic chloride trimer
Melting point: | 112-115 °C(lit.) |
Boiling point: | 127 °C (13 mmHg) |
Density | 1.98 g/mL at 25 °C(lit.) |
Water Solubility | Insoluble in water |
solubility | reacts with H2O |
pka | -12.98±0.10(Predicted) |
form | crystal |
color | white |
Specific Gravity | 1.98 |
Sensitive | Moisture Sensitive |
CAS DataBase Reference | 940-71-6(CAS DataBase Reference) |
NIST Chemistry Reference | 1,3,5,2,4,6-Triazatriphosphorine, 2,2,4,4,6,6-hexachloro-2,2,4,4,6,6-hexahydro-(940-71-6) |
EPA Substance Registry System | 1,3,5,2,4,6-Triazatriphosphorine, 2,2,4,4,6,6-hexachloro-2,2,4,4,6,6-hexahydro- (940-71-6) |
Safety information for Phosphonitrilic chloride trimer
Signal word | Danger |
Pictogram(s) |
Corrosion Corrosives GHS05 |
GHS Hazard Statements |
H314:Skin corrosion/irritation |
Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Phosphonitrilic chloride trimer
Abamectin manufacturer
JSK Chemicals
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