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CAS No.: | 13499-05-3 |
---|---|
Name: | HAFNIUM CHLORIDE |
Article Data: | 11 |
Molecular Structure: | |
Formula: | Cl4Hf |
Molecular Weight: | 320.302 |
Synonyms: | Hafniumchloride (HfCl4) (6CI,8CI);Hafnium tetrachloride;Hafnium(IV) chloride;Tetrachlorohafnium; |
EINECS: | 236-826-5 |
Density: | 1.89 g/cm3 |
Melting Point: | 319 °C |
Boiling Point: | 319.0oC (sublimes) |
Solubility: | Soluble in water, methanol and acetone. |
Appearance: | white crystalline solid |
Hazard Symbols: | C |
Risk Codes: | 34 |
Safety: | 26-36/37/39-45 |
Transport Information: | UN 3260 8/PG 2 |
PSA: | 0.00000 |
LogP: | 2.75800 |
B
hafnium tetrachloride
Conditions | Yield |
---|---|
With CCl4; Cl2 Slow introduction of Cl2 (dried over H2SO4) through a gas inlet tube ending above the surface of stirred suspn. of HfCp2Cl2 and dry CCl4 (Ar, 20-23°C, ca. 30 min), occasional cooling of mixt. using ice/water bath.; Removal of Cl2 excess from mixt. with Ar, recovering of resulting materials by filtn. and washing (CCl4, CHCl3, petroleum ether), elem. anal.; | A 55% B n/a |
hafnium tetrachloride
Conditions | Yield |
---|---|
In neat (no solvent) K2HfCl6 was decomposed at just below 500°C; |
Conditions | Yield |
---|---|
In neat (no solvent) sealing of Hf in vac. system, admitting of Cl2 (p(Cl2) = 200 mm), heating; |
Conditions | Yield |
---|---|
In neat (no solvent, gas phase) thermal-sublimation column, Ar as carrier gas for SOCl2, heating (850°C, 20 min); drying the products over P2O5, elem. anal., product ratio depending on deposition temp.; |
Conditions | Yield |
---|---|
1200 °C;; | |
1200 °C;; |
tetrachloromethane
A
phosgene
B
1,1,2,2-tetrachloroethylene
C
carbon dioxide
D
chlorine
E
hafnium tetrachloride
Conditions | Yield |
---|---|
In neat (no solvent) Kinetics; byproducts: O2; reaction bagins at 540K; mechanism discussed;; | |
In neat (no solvent) Kinetics; byproducts: O2; reaction bagins at 540K; mechanism discussed;; |
Conditions | Yield |
---|---|
With O2 In neat (no solvent, gas phase) thermal-sublimation column, dried O2-Ar mixture as carrier gas for SOCl2 (pressure: 13 kPa), heating (350 - 375°C, 15 - 120 min); drying the products over P2O5, elem. anal., product ratio depending on deposition temp., not separated; |
trifluorormethanesulfonic acid
hafnium tetrachloride
Conditions | Yield |
---|---|
In not given Ar atmosphere; addn. of acid to Hf-salt, heating (50°C, 68 h); excess of acid removal, washing (petroleum ether), drying (0.5 mm Hg, 100°C, 8 h); elem. anal.; | 100% |
hafnium tetrachloride
toluene
Conditions | Yield |
---|---|
In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Schlenk technique; | 100% |
The Hafnium chloride(HfCl4), (T-4)-, with the CAS registry number 13499-05-3 and EINECS registry number 236-826-5, has the systematic name of hafnium tetrachloride. It is a kind of white fine crystalline powder, and belongs to the following product categories: Straight chain Compounds; Crystal Grade Inorganics; HafniumMetal and Ceramic Science; Hafnium Salts; Metal and Ceramic Science; Salts. And the molecular formula of the chemical is Cl4Hf.
The characteristics of Hafnium chloride(HfCl4), (T-4)- are as followings: (1)H-Bond Donor 0; (2)H-Bond Acceptor 0; (3)Rotatable Bond Count 0; (4)Exact Mass 321.81901; (5)MonoIsotopic Mass 319.82196; (6)Topological Polar Surface Area 0; (7)Heavy Atom Count 5; (8)Formal Charge 0; (9)Complexity 19.1 ; (10)Isotope Atom Count 0; (11)Defined Atom StereoCenter Count 0; (12)Undefined Atom StereoCenter Count 0; (13)Defined Bond StereoCenter Count 0; (14)Undefined Bond StereoCenter Count 0; (15)Covalently-Bonded Unit Count 1.
You should be cautious while dealing with this chemical. It causes burns. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice. What's more, if you feel unwell, seek medical advice immediately (show label where possible).
Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: [Cl-].[Cl-].[Cl-].[Cl-].[Hf]
(2)InChI: InChI=1/4ClH.Hf/h4*1H;/p-4
(3)InChIKey: NOUGWYUJLNDWEG-XBHQNQODAZ