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Rare earth compounds

Terbium

CAS 64475-85-0Formula Tb85Molar mass 13,508.63 g/molEC 613-601-3
GHS signal word: Warning. Pictograms: Flammable, Harmful or irritant 1 supplier listed
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Terbium chemical structure, Tb85, CAS 64475-85-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
64475-85-0
Formula
Tb85
Molar mass
13,508.63 g/mol
EC number
613-601-3
HS code
280530
Category
Rare earth compounds

What is Terbium?

Plain description, key identifiers and synonyms

Terbium is a chemical substance with the molecular formula Tb85 and a molar mass of 13,508.63 g/mol. Its CAS registry number is 64475-85-0.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
terbium
CAS number
64475-85-0
EC number
613-601-3
Molecular formula
Tb85
InChIKey
GILOWISGYVOJTQ-UHFFFAOYSA-N
InChI
InChI=1S/85Tb
SMILES (canonical and isomeric)
[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb].[Tb]

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
13,508.63 g/molcalc.
Exact mass
13,508.6545 Dacalc.
LogP (octanol/water)
0calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
85calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
85calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H226Flammable liquid and vapour.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (19)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Terbium suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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  • Solvchem, Inc.
    United States, Pearland ManufacturerUnclaimed profile
    TerbiumGrade, purity and minimum order on request
    Price on request
    View

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

1 supplier in 1 country

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Terbium price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Functional uses

  • Solubility enhancer
  • Solvent
  • Viscosity modifier

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Terbium is traded under.

HS 2805.30Indicative HS code

Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed

World exports in 2024
$385M
+7.4% vs 2023, imports $503M
2019 to 2024
Top exporters
  1. Vietnam * partner reported50.6%
  2. China24.9%
  3. Thailand17.1%
Top importers
  1. Japan49.0%
  2. Malaysia25.5%
  3. Vietnam * partner reported8.2%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Terbium is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Terbium, based on the data on this page

What is Terbium?

Terbium is a chemical substance with the molecular formula Tb85 and a molar mass of 13,508.63 g/mol. Its CAS registry number is 64475-85-0.

What is the CAS number of Terbium?

The CAS registry number of Terbium is 64475-85-0.

What is the molecular formula and weight of Terbium?

The molecular formula of Terbium is Tb85 and its molar mass is 13,508.63 g/mol.

What is Terbium used for?

Known uses and roles of Terbium include solubility enhancer, solvent and viscosity modifier.

Is Terbium hazardous?

Terbium carries the GHS signal word "Warning". Main hazards: flammable liquid and vapour, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Terbium?

Terbium is usually classified under HS code 280530 (Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Terbium?

CompoundList lists 1 supplier of Terbium in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Terbium?

Suppliers quote Terbium on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Terbium

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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