CompoundList
Sign in
Rare earth compounds

Terbium oxide (Tb4O7)

Also known as terbium, heptahydrate, O7Tb4, H14O7Tb4

CAS 12037-01-3Formula H14O7Tb4Molar mass 761.81 g/molEC 234-856-3
6 suppliers listed
Get quotes Compare 6 suppliers
Terbium oxide (Tb4O7) chemical structure, H14O7Tb4, CAS 12037-01-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
12037-01-3
Formula
H14O7Tb4
Molar mass
761.81 g/mol
EC number
234-856-3
HS code
280530
Category
Rare earth compounds

What is Terbium oxide (Tb4O7)?

Plain description, key identifiers and synonyms

Terbium oxide (Tb4O7) is a chemical substance with the molecular formula H14O7Tb4 and a molar mass of 761.81 g/mol. Its CAS registry number is 12037-01-3. The IUPAC name is terbium, heptahydrate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
terbium, heptahydrate
CAS number
12037-01-3 CAS number cross-checked
EC number
234-856-3
Molecular formula
H14O7Tb4
InChIKey
HEQHIXXLFUMNDC-UHFFFAOYSA-N
InChI
InChI=1S/7H2O.4Tb/h7*1H2;;;;
SMILES (canonical and isomeric)
O.O.O.O.O.O.O.[Tb].[Tb].[Tb].[Tb]

Synonyms

  • terbium, heptahydrate
  • O7Tb4
  • H14O7Tb4

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
761.81 g/molcalc.
Exact mass
761.7753 Dacalc.
LogP (octanol/water)
-5.77calc.
Topological polar surface area
220.5 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
11calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
11calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Terbium oxide (Tb4O7) suppliers

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

All 6 suppliers
6 of 6 offers

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

6 suppliers in 2 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Terbium oxide (Tb4O7) 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.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Terbium oxide (Tb4O7) 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 oxide (Tb4O7) is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Terbium oxide (Tb4O7), based on the data on this page

What is Terbium oxide (Tb4O7)?

Terbium oxide (Tb4O7) is a chemical substance with the molecular formula H14O7Tb4 and a molar mass of 761.81 g/mol. Its CAS registry number is 12037-01-3. The IUPAC name is terbium, heptahydrate.

What is the CAS number of Terbium oxide (Tb4O7)?

The CAS registry number of Terbium oxide (Tb4O7) is 12037-01-3.

What is the molecular formula and weight of Terbium oxide (Tb4O7)?

The molecular formula of Terbium oxide (Tb4O7) is H14O7Tb4 and its molar mass is 761.81 g/mol.

Is Terbium oxide (Tb4O7) hazardous?

No GHS hazard classification for Terbium oxide (Tb4O7) is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Terbium oxide (Tb4O7)?

Terbium oxide (Tb4O7) 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 oxide (Tb4O7)?

CompoundList lists 6 suppliers of Terbium oxide (Tb4O7) in China and 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 oxide (Tb4O7)?

Suppliers quote Terbium oxide (Tb4O7) 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 oxide (Tb4O7)

Get quotes for Terbium oxide (Tb4O7)

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Terbium oxide (Tb4O7)
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Terbium oxide (Tb4O7) with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/terbium-oxide-tb4o7-12037-01-3" title="Terbium oxide (Tb4O7) structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Rare earth compounds or HS code 280530

6 suppliers
Free quotes, contact stays private
Get quotes