Thallium Bromo-Chloride

Linear Formula:

TlBr • TlCl

MDL Number:


EC No.:



(2N) 99% Thallium Bromo-Chloride
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(3N) 99.9% Thallium Bromo-Chloride
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(4N) 99.99% Thallium Bromo-Chloride
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(5N) 99.999% Thallium Bromo-Chloride
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Thallium Bromo-Chloride Properties (Theoretical)

Compound Formula TlCl/TlBr
Molecular Weight N/A
Appearance White solid
Melting Point 424 °C
Boiling Point N/A
Density 7.182 g/cm3
Solubility in H2O 0.3g/100ml (20 °C)
Refractive Index 2.1723 (11 µm)
Crystal Phase / Structure Cubic
Poisson's Ratio 0.219
Specific Heat 188 J/Kg·K
Thermal Conductivity 0.7 W/m·K
Thermal Expansion 50 x 10-6 /°C
Young's Modulus 20.68 GPa

Thallium Bromo-Chloride Health & Safety Information

Signal Word Danger
Hazard Statements H300-H330-H373-H411
Hazard Codes T+, N
Precautionary Statements P260-P264-P270-P271-P273-P284-P301+P310+P330-P304+P340+P310-P314-P391-P403+P233-P405-P501
Flash Point Not applicable
Risk Codes 26/28-33-51/53
Safety Statements 2-13-28-45
RTECS Number N/A
Transport Information UN1707 6.1/PG II
GHS Pictograms

About Thallium Bromo-Chloride

Thallium Bromo-Chloride is an optical crystal with a high refractive index used in attenuated total reflection prisms, lenses, and windows in infrared spectrometry. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available, as is additional research, technical and safety (MSDS) data. Please contact us for information on lead time and pricing above.

Thallium Bromo-Chloride Synonyms

KRS6, KRS-6 monocrystals, Thallium bromochloride, Thallium Bromide/Chloride, TlBr/TlCl

Chemical Identifiers

Linear Formula TlBr • TlCl
MDL Number N/A
EC No. N/A
Beilstein/Reaxys No. N/A
Pubchem CID N/A
InchI Identifier N/A
InchI Key N/A

Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.

Related Elements


See more Bromine products. Bromine (atomic symbol: Br, atomic number: 35) is a Block P, Group 17, Period 4 element. Its electron configuration is [Ar]4s23d104p5. The bromine atom has a radius of 102 pm and its Van der Waals radius is 183 pm. In its elemental form, bromine Bromine Bohr Model has a red-brown appearance. Bromine does not occur by itself in nature; it is found as colorless soluble crystalline mineral halide salts. Bromine was discovered and first isolated by Antoine Jérôme Balard and Leopold Gmelin in 1825-1826.


Chlorine is a Block P, Group 17, Period 3 element. Its electron configuration is [Ne]3s23p5. The chlorine atom has a covalent radius of 102±4 pm and its Van der Waals radius is 175 pm. Chlorine ModelIn its elemental form, chlorine is a yellow-green gas. Chlorine is the second lightest halogen after fluorine. It has the third highest electronegativity and the highest electron affinity of all elements, making it a strong oxidizing agent. It is rarely found by itself in nature. Chlorine was discovered and first isolated by Carl Wilhelm Scheele in 1774. It was first recognized as an element by Humphry Davy in 1808.


See more Thallium products. Thallium (atomic symbol: Tl, atomic number: 81) is a Block P, Group 13, Period 6 element with an atomic weight of 204.38. Thallium Bohr ModelThe number of electrons in each of thallium's shells is 2, 8, 18, 32, 18, 3 and its electron configuration is [Xe] 4f14 5d10 6s2 6p1. The thallium atom has a radius of 170 pm and a Van der Waals radius of 196 pm. Thallium was discovered by Sir William Crookes in 1861 and first isolated by Claude-Auguste Lamy in 1862. Thallium is a post-transition metal that is not found free in nature. Thallium is primarily used for its electrical conductivity as thallium sulfide, which changes with exposure to infrared light. This ability makes the compound useful in photocells. Elemental ThalliumThallium bromide-iodide crystals have been used as infrared optical materials. Thallium has also been used with sulfur, selenium or arsenic to produce low melting glasses which become fluid between 125 and 150 °C, while thallium oxide has been used to produce glasses with a high index of refraction, and is also used in the manufacture of photo cells. Its name is derived from the Greek word thallos, which means twig or green shoot.


May 30, 2024
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