Pentamethyldiethylenetriamine/CAS 3030-47-5
Overview:
Pentamethyldiethylenetriamine is a chemical substance with the molecular formula C9H23N3. It is a highly efficient catalyst for polyurethane soft foams and is used in the formulation of soft foam products, and can also be used as an auxiliary catalyst for hard foams to improve the fluidity of PU foams for large-capacity refrigerators.
Chinese name N,N,N,N,N-Pentamethyldiethylenetriamine
English name N,N,N’,N”,N”-Pentamethyldiethylenetriamine
Synonyms 1,1,4,7,7-Pentamethyldiethylenetriamine, Pentamethyldiethylenetriamine, CAS 3030-47-5, Polycat 5, Niax C-5, Jeffcat PMDETA, Lupragen N301, Tegoamin PMDETA, PC CAT PMDETA, Addocat PV, Toyocat DT, Polycat 5 Catalyst, Hard Foam Catalyst PC5
Chemical formula C9H23N3
Molecular weight 173.3
CAS No. 3030-47-5
Melting point -20℃
Boiling point 198℃
Water solubility Soluble in water, ether and alcohol solvents.
Appearance Colorless or yellowish transparent liquid
Flash Point 53℃
MDL No.: MFCD00014876
Refractive index: 1.442(lit.)
Physical properties of pentamethyldiethylenetriamine:
English name: N,N,N’,N”,N”-Pentamethyldiethylenetriamine
Molecular formula: C9H23N3
Molecular weight: 173.3
Physical and Chemical Properties
Pentamethyldiethylenetriamine is colorless to light yellow clear liquid, easily soluble in water.
Purity: 98.0%.
Viscosity (25℃): 2mPa.s
Relative density (20℃): 0.8302-0.8306
Flash point (closed loop): about 72°C
Flash point (PMCC): 83.3°C
Boiling range: 196-201℃ or 70-80℃(1100Pa)
Vapor pressure (21℃): 0.29*133pa
Freezing point: <-20℃
Preparation method
Pentamethyldivinyltriamine is generally obtained by N-methylation of diethylenetriamine as raw material, and the methylation methods include formic acid/formaldehyde method and formaldehyde hydrogenation method.
Properties and uses:
Pentamethyldiethylenetriamine is a highly active and strong foaming polyurethane catalyst, which can also be used to balance the overall foaming and gel reaction. It is widely used in all kinds of polyurethane rigid foam, including polyisocyanuric acid sheet rigid foam, also can improve the foam fluidity, so it can improve the production process and product quality. Pentamethyldivinyltriamine can also be used alone as a catalyst in polyurethane foam formulations or in combination with other catalysts such as DNCHA. When used alone as a catalyst for rigid foam, the dosage range is 1.0-2.0 parts per 100 parts per mass of polyol. In addition to its use in rigid foam formulations, Pentamethyldiethylenetriamine can also be used in the production of polymeter-type polyurethane flexible block foams and molded foams.
Storage and transportation:
It should be sealed and stored in dry, cool and ventilated warehouse
Packing:
180KG/drum Storage: it is recommended to store in dry and cool area with proper ventilation. Please fasten the package cover as soon as possible after the original packaging to prevent moisture and other substances from mixing and affecting the performance of the product. Do not inhale dust and avoid contact with skin and mucous membranes. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and reuse them after washing. Maintain good hygiene practices.
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