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Thulium

Thulium structure

CAS No:
7440-30-4
Formula:
Tm
Chemical Name:
Thulium
Synonyms:
Thulium;Thulium-169;110424-80-1;29687-68-1;69527-01-1
Categories:
Inorganic Chemistry > Elementary Substance

Description

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Thulium atom is a lanthanoid atom and a f-block element atom.|An element of the rare earth family of metals. It has the atomic symbol Tm, atomic number 69, and atomic weight 168.93.

Thulium Basic Attributes

Molecular Weight：

168.93

Exact Mass：

168.934204

EC Number：

231-140-2

UNII：

8RKC5ATI4P

DSSTox ID：

DTXSID8064692

HScode：

28053090

Characteristics

PSA：

XLogP3：

0.00000

Appearance：

Silver-gray powder

Density：

9.321 g/cm³

Melting Point：

1545 °C(lit.)

Boiling Point：

1950 °C(lit.)

Water Solubility：

slowly reacts with H2O; soluble in dilute acids [HAW93]

Safety Information

Packing level：

Hazard category：

4.1

Transport codes：

UN 3089 4.1/PG 2

wgk germany：

hazard class code：

15-17-36/37-34-23/24/25

safety instructions：

26-36-43-45-36/37/39-27

Marks：

F,Xi,C

Precautionary statement(s)：

P210-P261-P305 + P351 + P338

Hazard Statements：

H228-H319-H335

GHS Classification：

|Warning|H228 (100%): Flammable solid [Danger Flammable solids]|P210, P240, P241, P261, P264, P271, P280, P304+P340, P305+P351+P338, P312, P337+P313, P370+P378, P403+P233, P405, and P501|Aggregated GHS information provided by 49 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

Thulium

Thulium Use and Manufacturing

Uses

Thulium is relatively scarce and expensive, which limits its commercial uses. Thulium-170,which is a radioactive isotope of thulium produced by fission in nuclear reactors, can be usedas small, portable X-ray sources. It also has limited use as an alloy metal with other metals andhas experimentally been used in lasers. (Note: Of all the isotopes of thulium, only thulium-169 is stable and nonradioactive.) Thulium(III) carbonate hydrate has specialized uses in ceramics, glass, phosphors, lasers, and also is the important dopant for fibre amplifiers. Thulium(III) carbonate hydrate has use in ferrites, ceramic magnetic materials that are used in microwave equipment. Ferrites, X-ray source.

Manufacturing Info：

Thulium: ACTIVE

Computed Properties

Molecular Weight:168.93422
Exact Mass:168.934219
Monoisotopic Mass:168.934219
Heavy Atom Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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Learn More Other Chemicals

Thulium arsenide (TmAs)

12006-10-9
Thulium phosphide (TmP)

12037-68-2
Thulium chloride

19423-86-0
THULIUM CHLORIDE Formula

13778-39-7
Thulium bromide (TmBr3) Formula

14456-51-0
Thulium oxide (Tm2O3) Formula

12036-44-1
Thulium trichloride Structure

13537-18-3
Thulium sulfide (Tm2S3) Structure

12166-30-2
What is Thulium selenide (TmSe)

12039-53-1
What is Thulium nitride (TmN)

12033-68-0

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Guide of Thulium

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
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