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64491-37-8

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64491-37-8 Usage

Physical state

Colorless, waxy solid

Phase change material

Used for thermal energy storage applications

Crystal structure

Unique, allows reversible phase transitions between low-temperature crystalline phase and high-temperature liquid phase

Applications

a. Production of pharmaceuticals
b. Production of fragrances
c. Mold-release agent in rubber and plastics manufacturing

Potential uses

a. Corrosion inhibitor
b. Development of new materials for organic electronics

Check Digit Verification of cas no

The CAS Registry Mumber 64491-37-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,4,9 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 64491-37:
(7*6)+(6*4)+(5*4)+(4*9)+(3*1)+(2*3)+(1*7)=138
138 % 10 = 8
So 64491-37-8 is a valid CAS Registry Number.

64491-37-8Relevant articles and documents

(Z)-1, 4, 7, 10-tetraoxocyclododecane-8-alkene lithium salt complex, preparation method and application thereof

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Paragraph 0075-0076; 0084-0088; 0092-0093; 0101-0107; ..., (2021/08/07)

The invention discloses a (Z)-1, 4, 7, 10-tetraoxocyclododecane-8-alkene lithium salt complex as well as a preparation method and application thereof. The chemical structure of the (Z)-1, 4, 7, 10-tetraoxocyclododecane-8-alkene lithium salt complex is shown in the specification, and X is selected from fluorine, chlorine, bromine, iodine, p-toluenesulfonyl oxygen, methylsulfonyl oxygen, boron tetrafluoride, phosphorus hexafluoride, p-nitrobenzenesulfonyl oxygen and o-nitrobenzenesulfonyl oxygen. The method has the advantages of reasonable route design, safe and easily available raw materials, high process safety, high reaction selectivity, simple purification, high product purity and high product yield, and can fully meet the requirements of industrial production of products.

P-OR functional phosphanido and/or Li/OR phosphinidenoid complexes?

Duan, Lili,Schnakenburg, Gregor,Daniels, Joerg,Streubel, Rainer

, p. 3490 - 3499 (2012/09/08)

P-H,P-OR-substituted phosphane complexes 3a-e have been synthesized by two methods: (1) the thermal reaction of 2H-azaphosphirene complex 1 with methanol, n-butanol, or ethylene glycol monomethyl ether (3b,c,e) or (2) the reaction of P-chlorophosphane complex 2 with appropriate sodium phenolate salts (3a,d). All the complexes 3a-e were obtained in good yields and fully characterized by NMR, IR, MS, and elemental analysis. Furthermore, the structures of 3a, 3d and 3e were confirmed unambiguously by X-ray analysis. The deprotonation of complexes 3a-e by using lithium diisopropylamide in the presence of 12-crown-4 led to phosphinidenoid complexes 4a-e, which exhibit downfield 31P resonances and small tungsten-phosphorus coupling constants. Studies on the reactivity of complexes 4a-c,e revealed a phosphanido-type reactivity, and only for complex 4d, a thermally labile complex, was evidence found for a phosphinidene-type reactivity. Bifunctional phosphane complexes 3a-e have been synthesized and deprotonated with lithium diisopropylamide as base to provide Li/OR phosphinidenoid complexes 4a-e. Solutions of 4a-e display relatively high thermal stability, except for complex 4d. Whereas the NMR signatures of 4a-e correlate with a phosphinidenoid- type bonding, a phosphanido-type reactivity was revealed by reactions of 4a with electrophiles and C-C and C-O π-systems. Copyright

Facile and rapid synthesis of some crown ethers under microwave irradiation

Ziafati, Ahmad,Sabzevari, Omolbanin,Heravi, Majid M.

, p. 803 - 807 (2007/10/03)

A series of crown ethers were synthesized from the reaction of 1,8-dichloro-3,6-dioxaoctane with the appropriate hydroxy compound under microwave irradiation in short times and high yields. Copyright Taylor & Francis Group, LLC.

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