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Tetraethylhydrazine is an organic compound with the chemical formula (C2H5)4N2, featuring a central hydrazine molecule bonded to four ethyl groups. It is a colorless, flammable, and highly reactive liquid, widely utilized as a synthetic building block in the chemical industry due to its versatile nitrogen-containing structure.

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  • 4267-00-9 Structure
  • Basic information

    1. Product Name: Tetraethylhydrazine
    2. Synonyms: Tetraethylhydrazine;Tetraethylhydrazine Hydrochloride
    3. CAS NO:4267-00-9
    4. Molecular Formula: C8H20N2
    5. Molecular Weight: 144.2578
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 4267-00-9.mol
    9. Article Data: 4
  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 170.6°C at 760 mmHg
    3. Flash Point: 48.1°C
    4. Appearance: /
    5. Density: 0.823g/cm3
    6. Vapor Pressure: 1.46mmHg at 25°C
    7. Refractive Index: 1.444
    8. Storage Temp.: Hygroscopic, Refrigerator, Under Inert Atmosphere
    9. Solubility: Acetonitrile (Slightly), DMSO (Slightly), Methanol (Slightly)
    10. PKA: 8.27±0.70(Predicted)
    11. Stability: Hygroscopic
    12. CAS DataBase Reference: Tetraethylhydrazine(CAS DataBase Reference)
    13. NIST Chemistry Reference: Tetraethylhydrazine(4267-00-9)
    14. EPA Substance Registry System: Tetraethylhydrazine(4267-00-9)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 4267-00-9(Hazardous Substances Data)

4267-00-9 Usage

Uses

Used in Chemical Synthesis:
Tetraethylhydrazine is used as an organic building block for the synthesis of various nitrogen-containing chemicals. Its reactivity and structural properties make it a valuable precursor in the production of a range of compounds, including pharmaceuticals, agrochemicals, and other specialty chemicals.
Used in Pharmaceutical Industry:
In the pharmaceutical industry, Tetraethylhydrazine is used as a synthetic intermediate for the development of various drugs. Its ability to form a wide array of nitrogen-containing compounds allows for the creation of diverse medicinal agents with potential therapeutic applications.
Used in Agrochemical Industry:
Tetraethylhydrazine also finds application in the agrochemical industry, where it serves as a key intermediate in the synthesis of pesticides and other agricultural chemicals. Its role in creating nitrogen-based compounds contributes to the development of products that protect crops and enhance agricultural productivity.
Used in Specialty Chemicals:
Tetraethylhydrazine is employed in the production of specialty chemicals, such as dyes, pigments, and additives. Its versatility in forming nitrogen-containing compounds enables the creation of a variety of products with specific properties and applications in different industries.

Check Digit Verification of cas no

The CAS Registry Mumber 4267-00-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,6 and 7 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4267-00:
(6*4)+(5*2)+(4*6)+(3*7)+(2*0)+(1*0)=79
79 % 10 = 9
So 4267-00-9 is a valid CAS Registry Number.
InChI:InChI=1/C8H20N2/c1-5-9(6-2)10(7-3)8-4/h5-8H2,1-4H3

4267-00-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,1,2,2-tetraethylhydrazine

1.2 Other means of identification

Product number -
Other names Hydrazine, tetramethyl-

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:4267-00-9 SDS

4267-00-9Relevant articles and documents

Intrazeolite photochemistry. 18. Detection of radical cations of amine dimers upon amine photosensitization with acetophenone in the zeolite NaY

Scaiano,Garcia, Sara,Garcia, Hermenegildo

, p. 5929 - 5932 (1997)

Laser flash photolysis (308-nm) of acetophenone (AcP)-aliphatic amine mixtures in the cavities of NaY zeolite generates AcP triplets, ketyl radical and dimers of amine radical cations. In contrast, photolysis of the same AcP-amine system in acetonitrile-water allows to detect exclusively AcP triplets and AcP-·. In the zeolite cavities amine radical cation appear to interact with a second neutral amine to afford the dimer radical cation detected as a longer-lived species absorbing from 480 to 580-nm. These radical cations of amine dimers have never been observed in solution except for special cyclic diamines having two nitrogen atoms rigidly held in close proximity Product studies have revealed the formation of hydrazines in the photosensitized AcP-triethylamine irradiation adsorbed in NaY, but not in acetonitrile solution.

Indirect determination of self-exchange electron transfer rate constants

Nelsen, Stephen F.,Ismagilov, Rustem F.,Gentile, Kevin E.,Nagy, Mark A.,Tran, Hieu Q.,Qu, Qinling,Halfen, DeWayne T.,Odegard, Amy L.,Pladziewicz, Jack R.

, p. 8230 - 8240 (2007/10/03)

Second-order rate constants k(ij)(obsd) measured at 25 °C in acetonitrile by stopped-flow spectrophotometry for forty-four electron transfer (ET) reactions among fourteen 0/+1 couples [three aromatic compounds (tetrathiafulvalene, tetramethyltetraselenafulvalene, and 9,10-dimethyl- 9,10-dihydrophenazine), four 2,3-disubstituted 2,3-diazabicyclo[2.2.2]octane derivatives, six acyclic hydrazines, and the bridgehead diamine 1,5- diazabicyclo[3.3.3]undecane] and seventeen compounds and forty-seven reactions from a previous study (J. Am. Chem. Soc. 1997, 119, 5900) [three p- phenylenediamine derivatives, four ferrocene derivatives, and ten tetraalkylhydrazines] are discussed. When all 91 k(ij)(obsd) values are simultaneously fitted to Marcus's adiabatic cross rate formula k(ij)(calcd) = (k(ii)k(jj)K(ij)f(ij))(1/2), ln f(ij) = (ln K(ij))(2/4) ln((kii)k(jj)/Z2), best-fit self-exchange rate constants, k(ii)(fit), are obtained that allow remarkably accurate calculation of k(ij)(obsd); k(ij)(obsd)/k(ij)(calcd) is in the range 0.5-2.0 for all 91 reactions. The average difference without regard to sign, |ΔΔG(+)(ij)|, between observed cross reaction activation free energy and that calculated using the k(ii)(fit) values and equilibrium constants is 0.13 kcal/mol. The ΔG(+)(ii)(fit) values obtained range from 2.3 kcal/mol for tetramethyltetraselenafulvalene(0/+) to 21.8 kcal/mol for tetra-n-propylhydrazine(0/+), corresponding to a factor of 2 x 1014 in k(ii)(fit). The principal factor affecting k(ii)(fit) for our data appears to be the internal vertical reorganization energy (λ(v)), but k(ii)(fit) values also incorportate the effects of changes in the electronic matrix coupling element (V). Significantly smaller V values for ferrocenes and for hydrazines with alkyl groups larger than methyl than for aromatics and tetramethylhydrazine are implied by the observed ΔG(+)(ii)(fit) values.

CONFORMATIONAL STUDIES BY DYNAMIC NMR-28. STEREOMUTATIONS IN SOME DI-, TRI- AND TETRAALKYLHYDRAZINES

Lunazzi, Lodovico,Macciantelli, Dante

, p. 1991 - 1998 (2007/10/02)

Low temperature NMR spectra allowed us to "freeze" some of the internal motions in a number of di-, tri- and tetraalkylhydrazines and to measure the corresponding free energies of activation.In particular, tetramethylhydrazine (Me2N-NMe2) was found to have, at -150 deg C, two pairs of diastereotopic methyls : this is due to the fact that both N-inversion and N,N-rotation are slow at this temperature and that a gauche conformation is adopted.The observed barrier (6.0 kcal mol-1) has been attributed to N,N-rotation, the barrier due to N-inversion being higher and not measurable via NMR in the presence of a concomitant fast rotation.In other cases, notably PriMeN-NH2, Me2N-NPri2 and Pri2N-NHMe, two different motions (inversion and rotation) were detected.In the case of Me2N-NHMe it was also possible to observe the first example of anisochronous behaviour of nitrogen-bonded methyls (Me2N) induced by an aminic nitrogen that becomes chiral at low temperature.

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