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Tetrafluoroterephthalonitrile

CAS No.1835-49-0
Chemical Name:Tetrafluoroterephthalonitrile
CBNumber:CB7190045
Molecular Formula:C8F4N2
Formula Weight:200.09
MOL File:1835-49-0.mol

Tetrafluoroterephthalonitrile Property

Melting point 197-199 °C (lit.)
Boiling point 243.3±40.0 °C(Predicted)
Density 1.6184 (estimate)
storage temp. 2-8°C
solubility Soluble in hot methanol.
form Solid
color White to Light yellow
CAS DataBase Reference 1835-49-0(CAS DataBase Reference)
FDA UNII K9NAY7JK97
NIST Chemistry Reference 1,4-Benzenedicarbonitrile, 2,3,5,6-tetrafluoro-(1835-49-0)
EPA Substance Registry System Tetrafluoroterephthalonitrile (1835-49-0)
UNSPSC Code 12352100
NACRES NA.22

Safety

Hazard Codes :T,Xi
Risk Statements :25-36/37/38-20/21-23/24/25-36/37/39-20/21/22
Safety Statements :26-45-37/39-22-36/37/39-27
RIDADR :UN 3439 6.1/PG 3
WGK Germany :3
RTECS :CZ1955000
Hazard Note :Toxic
HazardClass :6.1(b)
PackingGroup :III
HS Code :29269090
Toxicity :mouse,LD50,oral,56mg/kg (56mg/kg),Journal of Medicinal Chemistry. Vol. 21, Pg. 906, 1978.

NFPA 704:

	1
2		0

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal wordDanger
Hazard statements H301-H315-H319-H335
Precautionary statements P261-P264-P270-P301+P310-P302+P352-P305+P351+P338

Tetrafluoroterephthalonitrile Price More Price(5)

Brand: Sigma-Aldrich(India)
Product number: 104426
Product name : Tetrafluoroterephthalonitrile
Purity: 99%
Packaging: 5G
Price: ₹2652.13
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Brand: TCI Chemicals (India)
Product number: T1050
Product name : Tetrafluoroterephthalonitrile
Purity: min. 98.0 %
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Brand: TCI Chemicals (India)
Product number: T1050
Product name : Tetrafluoroterephthalonitrile
Purity: min. 98.0 %
Packaging: 5G
Price: ₹3000
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Brand: TCI Chemicals (India)
Product number: T1050
Product name : Tetrafluoroterephthalonitrile
Purity: min. 98.0 %
Packaging: 25G
Price: ₹6900
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Brand: ALFA India
Product number: ALF-H61326-14
Product name : Tetrafluoroterephthalonitrile, 98%
Purity:
Packaging: 25g
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Tetrafluoroterephthalonitrile Chemical Properties,Usage,Production

Chemical Properties YELLOW TO YELLOW-GREEN CRYSTALS
Uses Tetrafluoroterephthalonitrile can be used as a synthessi reagent primarily used to create polymers of intinsic microporosity.
Uses Tetrafluoroterephthalonitrile can be used in the synthesis of Polymers of Intrinsic Micro porosity (PIM). It is used to study ultraviolet (UV)-rearranged polymers of PIM-1 membranes for efficient separation of H2 and CO2.
General Description Tetrafluoroterephthalonitrile reacts with alkyl Grignard reagents to form corresponding 4-alkyltetrafluorobenzonitriles. Tetrafluoroterephthalonitrile acts as a four-electron donor ligand and forms tungsten(II)η²-nitrile complexes.
Synthesis The specific synthesis method of Tetrafluoroterephthalonitrile is as follows: Potassium fluoride was dired at 500°C and then pulverized. Dimethylformamide was desiccated over potassium hydroxide pellets and then distilled under nitrogen. The water content thereof was determined in dehydrated methanol by the Karl-Fischer method to be 0.02% by weight. A reactor having a reflux condenser, within which the atmosphere was displaced with nitrogen gas, was charged with 1.330 grams of tetrachloroterephthalonitrile, 1.743 grams of dry potassium fluoride, and 10 milliliters of said dimethylformamide. After that, the mixture was heated to 130°C with simultaneous agitation and allowed to undergo a reaction for five hours. After that, the contents of the reactor were poured into ice water, and a saturated aqueous solution of sodium chloride was added.Consequently, the reaction product separated and floated to the surface. The floating phase was separated by filtration, washed with water, and dried. The yield of the product was calculated to be 81.0%.