Tellurium supplier | CasNO.13494-80-9

Name
Tellurium
EINECS 236-813-4
CAS No. 13494-80-9
Article Data155
CAS DataBase
Density 6.24 g/cm³
Solubility insoluble H2O, benzene, CS2 [MER06]
Melting Point 722.66 K,?449.51 °C,?841.12 °F
Formula Te
Boiling Point 1261 K,?988 °C,?1810 °F
Molecular Weight 129.616
Flash Point
Transport Information
Appearance solid
Safety S45
Risk Codes 25
Molecular Structure
Hazard Symbols T
Synonyms Telluriumelement;
PSA 0.00000
LogP -0.15580

Synthetic route

: tellurium

: hydrogen

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In gas other Radiation; Laser thermochemical synthesis of gaseous TeH2 from gaseous H and Te atoms.;	100%
In neat (no solvent) quick reaction of atomic hydrogen with a Te mirror at -10°C;;
In neat (no solvent) Kinetics;

: aluminum telluride

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In hydrogenchloride addn. of pure Al2Te3 (from Te vapor and heated Al) into excess of 4n HCl soln. free of air in special app. under exclusion of O2, moisture and light; gas with 40% H2Te;;	80%
In hydrogenchloride addn. of pure Al2Te3 (from Te vapor and heated Al) into excess of 4n HCl soln. free of air in special app. under exclusion of O2, moisture and light; gas with 40% H2Te;;	80%
In sulfuric acid addn. of pure Al2Te3 (from Te vapor and heated Al) into excess of 4n H2SO4 soln. free of air in special app. under exclusion of O2, moisture and light; gas with 40% H2Te;;	76%

: magnesium telluride

: hydrogen cation

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In not given byproducts: H2; reactn. with acids;;	8.3%
In not given byproducts: H2; reactn. with acids;;	8.3%
In not given byproducts: H2; reactn. with acids;;
In not given byproducts: H2; reactn. with acids;;

: aluminum telluride

: 7664-93-9
sulfuric acid

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In water
In water react. of excess Al2Te3 with 0.5 M H2SO4 in N2 atm.;
In sulfuric acid H2Te gas generated by addn. of 0.5 M H2SO4 to Al2Te3 under N2 atm.;

: chromium dichloride

: Te(VI)

A: 13494-80-9
hydrogen telluride

B: chromium (III) ion

Conditions

Conditions	Yield
With acetic acid In not given between pH= 4.2-5.5;
With NH4-acetae; acetic acid In not given between pH= 4.2-5.5;

...Expand

: 7446-07-3
tellurium(IV) oxide

A: tellurium

B: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
With hydrogen In neat (no solvent) on heating in stream of H2; at the end of reaction very slowly, complete after some days;;	A n/a B 0%
With H2 In neat (no solvent) on heating in stream of H2; at the end of reaction very slowly, complete after some days;;	A n/a B 0%

: tellurium

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
With titanium(III) chloride In not given freshly pptd. Te;;
electrochemical reduction of elemental tellurium in acidic soln.;
With zinc In sulfuric acid reduction of dild. H2SO4 containing Te with Zn;;

: tellurium

: 7440-38-2, 460345-38-4
arsine

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In neat (no solvent) byproducts: arsenic telluride; Irradiation (UV/VIS); passing AsH3 over powdered Te in sun light;; pptn. of arsenic telluride;;

: tellurium

: 7803-52-3
stibane

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In neat (no solvent) byproducts: antimony telluride; Irradiation (UV/VIS); passing AsH3 over powdered Te in sun light;; pptn. of antimony telluride;;

: 16940-66-2
sodium tetrahydroborate

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
With Te(IV)-compd. In water
With Te(IV)-compd. In water

: 7783-06-4
hydrogen sulfide

A: 13494-80-9
hydrogen telluride

B: 7704-34-9
sulfur

Conditions

Conditions	Yield
tellurium In neat (no solvent) byproducts: H2; absorption of H2S to Te, incomplete catalytic decompn. above 150°C;; products are H2 and S, no formation of H2Te or sulfide;;	A 0% B n/a

: chromium dichloride

: tellurium(IV)

A: 13494-80-9
hydrogen telluride

B: chromium (III) ion

Conditions

Conditions	Yield
With acetic acid In not given between pH= 4.2-5.5;
With NH4-acetate; acetic acid In not given between pH= 4.2-5.5;

...Expand

: 15852-22-9, 1007166-71-3
tellurite(2-)

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
With Al or P or hypophosphite In not given reduction of weakly alkaline TeO3(2-)-soln. with Al, P or hypophosphite;;
With water In water Electrochem. Process; dropping Hg electrode; mechanism discussed;;
With H2O In water Electrochem. Process; dropping Hg electrode; mechanism discussed;;

: 15845-23-5
tellurate ion

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
With ammonium acetate; titanium(III) chloride In acetic acid reduction of acetic ammonium acetate soln. containing tellurate with TiCl3 on warming;;

: 7647-01-0
hydrogenchloride

: cerium telluride

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In neat (no solvent)
In neat (no solvent)

: cerium telluride

: 1333-74-0
hydrogen

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In neat (no solvent) reduction of CeTe with H2 at red heat;;
In neat (no solvent)

: platinum ditelluride

A: 13494-80-9
hydrogen telluride

B: 7440-06-4
platinum

Conditions

Conditions	Yield
In water easily decomposable;;
In water easily decomposable;;

: tellurium

: 7732-18-5
water

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In water Electrolysis; electrolysis of water with Te-cathode;;
In sulfuric acid on dispersion of selenium in pure water on a Pt-cathode by use of electric current;;
In sulfuric acid aq. H2SO4; on dispersion of selenium in pure water on a Pt-cathode by use of electric current;;

: tellurium

: 7664-93-9
sulfuric acid

: 7732-18-5
water

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In sulfuric acid aq. H2SO4; Electrolysis; Te/graphite cathode, Pt-anode, aq. H2SO4 as electrolyte, cell immersed in ice bath, Ar bubbled through electrolyte;

...Expand

: aluminum telluride

: 7732-18-5
water

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In tetrahydrofuran byproducts: Al(OH)3; hydrolysis of Al2Te3 with water in THF at 0°C;
In hydrogenchloride byproducts: Al(OH)3; aq. HCl dropwise addn. to Al2Te3 in dark; trap-to-trap distn. (vac.);

: tellurium(2-)

: 7732-18-5
water

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
With acids In water decomposition of alkali tellurides with dild. acids;; small yield;;
In water decomposition of alkali tellurides with water;; small yield;;
With acids In water decomposition of alkali tellurides with dild. acids;; small yield;;
In water decomposition of alkali tellurides with water;; small yield;;

: 13451-18-8
tellurium(VI) oxide

A: tellurium

B: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
With hydrogen In neat (no solvent) slowly reduction to Te in a stream of H2 below 300°C;;	A n/a B 0%
With H2 In neat (no solvent) slowly reduction to Te in a stream of H2 below 300°C;;	A n/a B 0%

: tellurium

: 75-60-5
Dimethylarsinic acid

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In not given reaction of Te with cacodylic acid;;

: barium telluride

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
With acid
With acid

: beryllium telluride

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
With air or water decompn. caused by moisture in the air or in pure water;
With air or water decompn. caused by moisture in the air or in pure water;

: magnesium telluride

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
With water In water decompn. to H2Se;;
With H2O In water decompn. to H2Se;;

: cadmium telluride

: 7664-93-9
sulfuric acid

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In sulfuric acid CdTe reacts with 0.3n H2SO4 soln. in presence of sodium amalgam (1% Na) in 10-30 s;;	96-98
In sulfuric acid CdTe reacts with 5n H2SO4 soln. in presence of sodium amalgam (1% Na) in 1 s;;	97-99

: 7647-01-0
hydrogenchloride

: cadmium telluride

: 13494-80-9
hydrogen telluride

Conditions

Conditions	Yield
In hydrogenchloride CdTe reacts with 0.3-5n H2SO4 soln. in presence of sodium amalgam (1% Na);;

: 13494-80-9
hydrogen telluride

: 59579-33-8
bis(trimethylgermyl)carbodiimide

A: (H2NCN)2

B: 49750-24-5
Bis(trimethylgermyl)tellurid

Conditions

Conditions	Yield
In neat (no solvent) condensation of excess of H2Te onto Ge-compd. (-196°C), warming to room temp., standing for 60 min; fractional low-temp. distn. (collection at -196°C);	A n/a B 89%

...Expand

: 13494-80-9
hydrogen telluride

: 59579-32-7
(Me2HGeN:)2C

A: (H2NCN)2

B: 59579-14-5
Te(GeH(CH3)2)2

Conditions

Conditions	Yield
In neat (no solvent) condensation of excess of H2Te onto Ge-compd. (-196°C), warming to room temp., standing for 60 min; fractional low-temp. distn. (collection at -196°C);	A n/a B 79%

...Expand

: 13494-80-9
hydrogen telluride

: [(tris(2-hydroxy-3-adamantyl-5-medimethylthylbenzyl)amine)U(DME)]

: [(tris(2-hydroxy-3-adamantyl-5-methylbenzyl)amine)U(DME)(TeH)]

Conditions

Conditions	Yield
In tetrahydrofuran for 0.0833333h; Darkness; Cooling;	78%

: 13494-80-9
hydrogen telluride

: 59579-31-6
(MeH2GeN:)2C

A: (H2NCN)2

B: 59612-77-0
Te(GeH2(CH3))2

Conditions

Conditions	Yield
In neat (no solvent) condensation of excess of H2Te onto Ge-compd. (-196°C), warming to room temp., standing for 60 min; fractional low-temp. distn. (collection at -196°C);	A n/a B 62%

...Expand

: 13494-80-9
hydrogen telluride

: 12092-47-6
di-μ-chloro-bis(1,5-cyclooctadiene)dirhodium

: 23582-03-8
tris(2-diphenylphosphinoethyl)phosphine

: 2923-28-6
silver trifluoromethanesulfonate

: 132492-31-0
{(tris(2-(diphenylphosphino)ethyl)phosphine)RhTeH}

Conditions

Conditions	Yield
In tetrahydrofuran; ethanol byproducts: AgCl; under N2; soln. of AgCF3SO3 added to soln. of Rh-compd., stirred at 40-45°C for 1h, filtered, addn. of soln. of ligand, light red soln., addn. of hot H2Te in EtOH; quick concn. in the dark, filtered (closed system), washed (EtOH, petroleum ether), dried under N2; elem. anal.;	60%

...Expand

: 13494-80-9
hydrogen telluride

: [(1,4,7-tris(3-(1-adamantyl)-5-methyl-2-hydroxybenzyl)-1,4,7-triazacyclononane)U]

: [(1,4,7-tris(3-(1-adamantyl)-5-methyl-2-hydroxybenzyl)-1,4,7-triazacyclononane)U(TeH)]

Conditions

Conditions	Yield
In tetrahydrofuran at -34℃; Inert atmosphere; Schlenk technique; Darkness;	50%

: 13494-80-9
hydrogen telluride

: iron(II) perchlorate hexahydrate

: 554-70-1
triethylphosphine

: Fe4Te4(P(C2H5)3)4(1+)*PF6(1-)={Fe4Te4(P(C2H5)3)4}PF6

Conditions

Conditions	Yield
With (nBu4N)PF6 In ethanol; acetone (N2); molar ratio of Fe(ClO4)2 and PEt3 = 1:3, react. in the presence of nBu4NPF6;	40%

...Expand

: 13494-80-9
hydrogen telluride

: (pentamethylcyclopentadienyl)(CO)2Re(tetrahydrofuran)

A: [(C5(CH3)5)Re(CO)2Te]2

: 106948-46-3
(C5(CH3)5)ReH(CO)2TeH

C: {(η5-pentamethylcyclopentadienyl)Re(CO)2}2(μ-Te)

D: 106948-47-4
[(C5(CH3)5)Re(CO)2Te]2

Conditions

Conditions	Yield
In tetrahydrofuran addn. of TeH2 to Re-complex in THF, stirring (darkness, 4 h); evapn. to dryness, chromy. (Florosil, -20°C, hexane/toluene 5:1;hexane/toluene 3:1 Te(CpRe(CO)2)2; hexane/toluene 1:1 (CpRe(CO)2Te)2;toluene/Et2O 3:1 μ,η-isomer (Cp*Re(CO)2Te)2), recrystn.;	A 9% B 10% C 2% D 24%

...Expand

: 13494-80-9
hydrogen telluride

: cadmium(II) perchlorate

: cadmium telluride

Conditions

Conditions	Yield
With mercaptoacetic acid In water for 0.25 - 24h; pH=11.8; Heating / reflux;
With sodium hydroxide; mercaptoacetic acid In water into soln. of Cd(ClO4)2, thioglycolic acid with pH=11.2 (aq. NaOH) was passed in N2 flow at room temp.; soln. refluxed at 100°C;

: 13494-80-9
hydrogen telluride

: 2'-(β-D-glucopyranosyloxy)-6'-hydroxy-3-(5-benzo[b]furanyl)acrylophenone

: 174456-32-7
2'-(β-D-glucopyranosyloxy)-6'-hydroxy-3-(5-benzo[b]-furanyl)propiophenone

Conditions

Conditions	Yield
With sodium borohydrid In ethanol; water; ethyl acetate

: 13494-80-9
hydrogen telluride

: trans-4-[3-(2-thenyl)acryloyl]-amino-2,6-dimethylphenol

: 4-[3-(thien-2-yl)propionyl]amino-2,6-dimethylphenol

Conditions

Conditions	Yield
With sodium borohydrid In ethanol; acetic acid

: 13494-80-9
hydrogen telluride

: 86453-81-8
3(2H)-Oxo-5H-thiazolo<2,3-b>chinazolin-2-methincarbonsaeuremethylester

: 103870-90-2
2,3-dihydro-3-oxo-5H-thiazolo<2,3-b>quinazolin-2-acetic acid methyl ester

Conditions

Conditions	Yield
With sodium borohydrid In ethanol; water; acetic acid

: 13494-80-9
hydrogen telluride

: 64-69-7
Iodoacetic acid

: 3483-12-3, 6892-68-8, 7634-42-6, 16096-97-2, 27565-41-9, 35454-97-8
diothiothreitol

: 68138-92-1
24-nor-23-iodo-3α,12α-bis(formyloxy)-7-deoxy-5β-cholane

: 3α,12α-dihydroxy-23-(carboxymethyltelluro)-24-nor-5β-cholane

Conditions

Conditions	Yield
With sodium hydroxide; sodium	30 mg (16%)

...Expand

: 13494-80-9
hydrogen telluride

: 107-05-1
3-chloroprop-1-ene

: 113402-46-3
diallyl telluride

Conditions

Conditions	Yield
With sodium In ammonia

: 13494-80-9
hydrogen telluride

: 7440-43-9
cadmium

: cadmium telluride

Conditions

Conditions	Yield
In gas

: 13494-80-9
hydrogen telluride

: 10108-64-2
cadmium(II) chloride

: cadmium telluride

Conditions

Conditions	Yield
reaction of H2Te with a solution of CdCl2;;
reaction of H2Te with a solution of CdCl2;;

: 13494-80-9
hydrogen telluride

: cadmium(II) perchlorate hydrate

: cadmium telluride

Conditions

Conditions	Yield
With sodium hydroxide In water thiolglycolic acid or L-cysteine added to soln. of Cd salt (pH .approx. 11, NaOH), soln. purged with N2 for 30 min; then gaseous H2Te in N2 atm.combined with Cd(2+) soln.; refluxed at 100°C; nanoparticles extd., not isolated; detd. by HRTEM, XRD;
With thioglycolic acid In sodium hydroxide aq. NaOH; addn. of thioglycolic acid to aq. soln. of cadmium compd., adjusting pH to 11 by aq. NaOH, purging with N2 for 30 min, addn. of H2Te; refluxing for 100°C;

Tellurium History

In 1782,TELLURIUM(13494-80-9) was fist discovered by the Hungarian Franz-Joseph Müller von Reichenstein in Nagyszeben Transylvania.
In 1789,another Hungarian scientist Pál Kitaibel also discovered the element independently.
In 1798, TELLURIUM(13494-80-9) was named by Martin Heinrich Klaproth.

Tellurium Consensus Reports

Reported in EPA TSCA Inventory.

Tellurium Standards and Recommendations

OSHA PEL: TWA 0.1 mg(Te)/m³
ACGIH TLV: TWA 0.1 mg(Te)/m³
DFG MAK: 0.1 mg/m³
NIOSH REL: (Tellurium and Compounds) TWA 0.1 mg/m³

Tellurium Analytical Methods

For occupational chemical analysis use NIOSH: Elements (ICP) 7300.

Tellurium Specification

The Tellurium, with the cas registry number 13494-80-9, is a kind of silvery white crystalline solid. Being soluble in sulfuric acid, nitric acid, aqua regia, potassium cyanide, potassium hydroxide while insoluble in cold and hot water and carbon disulfide, this chemical could reacts with nitric acid and concentrated sulfuric acid with the form of red solution. Besides, it could dissolves in potassium hydroxide in the presence of air with formation of deep red solution. In addition, its product categories are including Inorganics; Electronic Chemicals; Micro/Nanoelectronics; Pure Elements; Metal and Ceramic Science; Metals; Tellurium.

Physical properties about Tellurium are: (1)#H bond acceptors: 0; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 0; (5)Exact Mass: 129.906223; (6)MonoIsotopic Mass: 129.906223; (7)Heavy Atom Count: 1; (8)Covalently-Bonded Unit Count: 1.

Preparation of Tellurium: First prepare the raw material of Tellurium powder, and then extract and refine with sodium polysulfide to get this product with the purity of 99.999%.

Uses of Tellurium: As to its usage, it is widely applied in many ways. It could be used as a chemical bonder in producing the outer shell of the first atom bomb and also in the fileds of thermoelectricity and free-machining steel; It could then be used as the colorant for ceramics and glass, vulcanized agent of rubber, catalytic agent for petroleum cracking process.

When you are dealing with this chemical, you should be careful. For being a kind of toxic chemical, it will at low levels cause damage to health. If swallowed, it is also very toxic. Therefore, if in case of accident or if you feel unwell seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: [Te]
(2)InChI: InChI=1S/Te
(3)InChIKey: PORWMNRCUJJQNO-UHFFFAOYSA-N

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
guinea pig	LD50	oral	45mg/kg (45mg/kg)		"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 107, 1982.
mouse	LD50	oral	20mg/kg (20mg/kg)		"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 107, 1982.
rabbit	LD50	oral	67mg/kg (67mg/kg)		"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 107, 1982.
rat	LC50	inhalation	> 2420mg/m3/4H (2420mg/m3)		TNO-report. Vol. TNO-92-008,
rat	LC50	inhalation	> 2420mg/m3/4H (2420mg/m3)	LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES	TNO-report. Vol. TNO-92-008,
rat	LD50	oral	83mg/kg (83mg/kg)		"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 107, 1982.
rat	LDLo	intratracheal	200mg/kg (200mg/kg)	KIDNEY, URETER, AND BLADDER: OTHER CHANGES LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES LIVER: OTHER CHANGES	American Industrial Hygiene Association Journal. Vol. 39, Pg. 100, 1978.

Product Name

Tellurium

Synthetic route

Tellurium History

Tellurium Consensus Reports

Tellurium Standards and Recommendations

Tellurium Analytical Methods

Tellurium Specification

Related Products

Hot Products