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CAS NO:
109-99-9
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Basic Info
CAS Number
109-99-9
Pharmacopoeia
In-house Standards
Grade
DR Grade
Is Manufacturer
YES
Samples Provided
YES
Product Description
Item No.: 8013DR4003
Product Name: 4L DR GradeTetrahydrofuran 30ppm
|
Test Items |
Specification |
|
Assay C4H8O (by GC),ω/% |
99.9 min |
|
Residue on evaporation,ω/% |
0.0005 max |
|
Water(by K-F),ppm |
30 max |
AI Product Description
*The following content is generated by AI and is for reference only.
Tetrahydrofuran (THF), cataloged here as the 4L DR Grade variant, is a versatile cyclic ether widely recognized for its exceptional solvent properties in both laboratory and industrial settings. With the chemical formula C₄H₈O and CAS Registry Number 109-99-9, this colorless, volatile liquid possesses a distinct ethereal odor and low viscosity. The "DR" designation typically signifies that the material meets stringent purity standards suitable for demanding applications, often involving trace metal control or moisture sensitivity, although specific grade definitions can vary slightly by manufacturer.
The primary utility of THF lies in its ability to dissolve a vast array of organic compounds, including resins, polymers, and natural gums. It is an indispensable solvent in the synthesis of polyvinyl chloride (PVC) and other plastics, serving as a key medium for polymerization reactions. In pharmaceutical research and organic chemistry laboratories, it is frequently employed as a reaction medium for Grignard reagents and organolithium compounds due to its strong coordinating ability with metal cations. Furthermore, THF is crucial in the production of adhesives, coatings, and varnishes, where its rapid evaporation rate facilitates efficient drying processes.
Safety protocols are paramount when handling this substance. THF is highly flammable and forms explosive peroxides upon prolonged exposure to air and light; therefore, storage requires inhibitors like BHT and strict avoidance of oxidizing agents. While generally considered less toxic than many chlorinated solvents, inhalation or skin contact should be minimized through proper ventilation and personal protective equipment. The 4-liter packaging format offers an economical solution for medium-scale operations, providing sufficient volume for routine synthesis without the need for frequent replenishment, making it a staple inventory item for chemists requiring reliable, high-performance solvents for complex chemical transformations.
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