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  • 14484-69-6 Structure
  • Basic information

    1. Product Name: Potassium fluoroaluminate
    2. Synonyms: POTASSIUM CRYOLITE;POTASSIUM HEXAFLUOROALUMINATE;POTASSIUMALUMINIUMTETRAFLUORIDE;Potassium fluoroaluminate;potassmm aluminium fluoride;Potassium fluoroalum;PotassiuM fluoaluMinate;Aluminate(1-), tetrafluoro-, potassium, (T-4)-
    3. CAS NO:14484-69-6
    4. Molecular Formula: AlF4*K
    5. Molecular Weight: 142.07
    6. EINECS: 238-485-8
    7. Product Categories: Fluoride
    8. Mol File: 14484-69-6.mol
    9. Article Data: 5
  • Chemical Properties

    1. Melting Point: 546 °C
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: solid
    5. Density: 2.9[at 20℃]
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. Water Solubility: 2.5g/L at 20℃
    10. Stability: Stable. Incompatible with strong oxidizing agents. May be moisture sensitive.
    11. CAS DataBase Reference: Potassium fluoroaluminate(CAS DataBase Reference)
    12. NIST Chemistry Reference: Potassium fluoroaluminate(14484-69-6)
    13. EPA Substance Registry System: Potassium fluoroaluminate(14484-69-6)
  • Safety Data

    1. Hazard Codes: Xi
    2. Statements: 31-36/37/38
    3. Safety Statements: 22-26-36/37/39-45
    4. WGK Germany: 1
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 14484-69-6(Hazardous Substances Data)

14484-69-6 Usage

Uses

Potassium fluoroaluminate is a useful research chemical compound.

Chemical Properties

solid

Flammability and Explosibility

Nonflammable

Check Digit Verification of cas no

The CAS Registry Mumber 14484-69-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,4,8 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 14484-69:
(7*1)+(6*4)+(5*4)+(4*8)+(3*4)+(2*6)+(1*9)=116
116 % 10 = 6
So 14484-69-6 is a valid CAS Registry Number.
InChI:InChI=1/Al.FH.K/h;1H;/q+3;;+1/p-1

14484-69-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name Potassium fluoroaluminate

1.2 Other means of identification

Product number -
Other names Potassium fluoroalum

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:14484-69-6 SDS

14484-69-6Synthetic route

potassium hexafluorosilicate

potassium hexafluorosilicate

aluminium oxide

aluminium oxide

A

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

B

tripotassium hexafluoroaluminate

tripotassium hexafluoroaluminate

Conditions
ConditionsYield
In solid at 500°C;
potassium hexafluorosilicate

potassium hexafluorosilicate

corundum

corundum

A

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

B

tripotassium hexafluoroaluminate

tripotassium hexafluoroaluminate

kalsilite

kalsilite

Conditions
ConditionsYield
In solid thermal decompn.;
aluminum trihydroxide

aluminum trihydroxide

hydrogen fluoride
7664-39-3

hydrogen fluoride

potassium carbonate
584-08-7

potassium carbonate

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

Conditions
ConditionsYield
In water reacting mixt. of K2CO3 in soln. with specified amt. of Al(OH)3, acidifying with excess aq. HF, drying at 100°C, annealing for 48 h; DTA anal., X-ray diffraction anal.;
aluminum oxide
1333-84-2, 1344-28-1

aluminum oxide

potassium tetrafluoroborate
14075-53-7

potassium tetrafluoroborate

A

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

B

tripotassium hexafluoroaluminate

tripotassium hexafluoroaluminate

Conditions
ConditionsYield
In neat (no solvent) heating (600°C, molar ratio KBF4/Al2O3 3:1 or 6:1), isothermal treatment ( 1-5 h); thermogravimetry; X-ray diffraction;
aluminum oxide
1333-84-2, 1344-28-1

aluminum oxide

potassium tetrafluoroborate
14075-53-7

potassium tetrafluoroborate

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

Conditions
ConditionsYield
In neat (no solvent) heating (475-600°C, molar ratio KBF4/Al2O3 2:1, 3:1 or 6:1), isothermal treatment ( 1-5 h); thermogravimetry; X-ray diffraction;
aluminum(III) fluoride
7784-18-1

aluminum(III) fluoride

potassium fluoride dihydrate

potassium fluoride dihydrate

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

Conditions
ConditionsYield
In neat (no solvent) heating (to 400°C), isothermal treatment (0.5 h);
In water addn. of stoichiometric amt. of KF*2H2O dissolved in little H2O to AlF3(prepared from Al2O3 and 48% HF), pptn., soln. and solid digested for 1h on a steam bath; decanted, precipitate dried (open muffle furnace at 378K), fused at 933K in vitreosil crucible for 15-20min, melt cooled in desiccator;
potassium hexafluorozirconate

potassium hexafluorozirconate

aluminium
7429-90-5

aluminium

A

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

B

tripotassium hexafluoroaluminate

tripotassium hexafluoroaluminate

C

Al3Zr

Al3Zr

Conditions
ConditionsYield
In neat (no solvent) Al and K2ZrF6 powders mixed (stoich. ratio), heated (air or vac., 700°C.); X-ray diffraction anal.;
potassium tetrafluoroborate
14075-53-7

potassium tetrafluoroborate

aluminium
7429-90-5

aluminium

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

Conditions
ConditionsYield
byproducts: B; ground, mixed; evacuated (1E-2 mmHg); 200-500°C, 5-6 h; B isolated by washing (HCl, H2SO4, room temp.);
2K(1+)*H(1+)*AlF6(3-) = K2HAlF6

2K(1+)*H(1+)*AlF6(3-) = K2HAlF6

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

Conditions
ConditionsYield
In neat (no solvent, solid phase) byproducts: HF, H2O; heating at 400°C; X-ray diffraction, IR, elem. anal.;
potassium oxonium hexafluoroaluminate

potassium oxonium hexafluoroaluminate

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

Conditions
ConditionsYield
In neat (no solvent) byproducts: H2O, HF; thermal decompn. at 85 - 210°C (at 85 - 140°C loss of 2 mol HF and 1,5 mol H2O, at higer temp. loss of 0.5 mol H2O);
potassium tetrafluoroaluminate hemihydrate

potassium tetrafluoroaluminate hemihydrate

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

Conditions
ConditionsYield
In neat (no solvent) byproducts: H2O; thermal decompn. 140 - 210°C;
potassium hexafluorosilicate

potassium hexafluorosilicate

alumina

alumina

A

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

B

tripotassium hexafluoroaluminate

tripotassium hexafluoroaluminate

Conditions
ConditionsYield
In solid at 500°C;
aluminum(III) fluoride

aluminum(III) fluoride

potassium fluoride

potassium fluoride

potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

Conditions
ConditionsYield
at 580℃; for 1h; Inert atmosphere;
potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

tripotassium hexafluoroaluminate

tripotassium hexafluoroaluminate

Conditions
ConditionsYield
With air In neat (no solvent, solid phase) byproducts: Al2O3; heating at 500°C; X-ray diffraction, IR;
potassium tetrafluoroaluminate
14484-69-6

potassium tetrafluoroaluminate

antimony pentafluoride
7783-70-2

antimony pentafluoride

A

aluminum(III) fluoride
7784-18-1

aluminum(III) fluoride

B

K(1+)*Sb2F11(1-) = KSb2F11
771495-80-8

K(1+)*Sb2F11(1-) = KSb2F11

Conditions
ConditionsYield
In hydrogen fluoride HF (liquid); 298 K;

14484-69-6Relevant articles and documents

A calorimetric investigation of polymorphism in a layered perovskite: KAlF4

White, M. A.,Wagner, B. D.

, p. 519 - 526 (1986)

The heat capacity from 15 to 365 K of the layered perovskite KAlF4 is reported.On warming, a large thermal anomaly is observed at about 340 K, and the thermal history of the sample was found to have a major effect on the temperature, enthalpy, and complexity of the phase transition.D.s.c. results indicate that the phase transition on warming at 340 K is the high-temperature counterpart of the transition that had been previously reported at 250 K on cooling, and that the 250 K transformation is the stable transition.No further phase transitions are found in KAlF4 in the temperature region from 15 to 365 K.

Investigation of the systems KAlF4-KBe2F5 and K3AlF6-KBe2F5

Chen,Cao,Zhang

, p. 161 - 164 (2000)

Phase relations in the systems KA1F4-KBe2F5 and K3A1F6-KBe2F5 have been investigated by DTA and XRD methods. The KA1F4-KBe2F5 is a simple eutectic system with the eutectic point at a composition of 80.0 mol% KBe2F5 at 335 °C. For the later system, two incongruent compounds 2K3A1F6·KBe2F5 and K3A1F6·KBe2F5 melting at 448 and 378 °C, respectively were confirmed. They have been XRD indexed as both orthorhombic cells with cell parameters a = 10.70±0.01, b = 10.36±0.01, c = 5.85±0.02 A? for the former and a = 10.499±0.003, b = 9.685±0.005, c = 7.554±0.005 A? for the later. One eutectic point located at 85.0 mol% KBe2F5 at 336 °C was also observed. (C) 2000 Elsevier Science B.V.

Bail, A. Le,Duroy, H.,Fourquet, J. L.

, p. 151 - 158 (1992)

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