Tritium oxide
Also known as Tritiated water, Water, tritiated, Heavy water (T2O)
Key facts
What buyers check first
- Appearance
- Colorless liquid
- Melting point
- 4.5 °C
- Boiling point
- 101.5 °C
- Density
- 1.2138 g/cm³ at 25 °C
- HS code
- 284441
- Category
- Isotope-labelled compounds
What is Tritium oxide?
Plain description, key identifiers and synonyms
Ditritium oxide is a tritiated compound and a water.
Identifiers
Registry numbers, names and line notations, tap to copy
- CAS number
- 14940-65-9 CAS number cross-checked
- Molecular formula
- H2O
- InChIKey
- XLYOFNOQVPJJNP-PWCQTSIFSA-N
- InChI
- InChI=1S/H2O/h1H2/i/hT2
- Canonical SMILES
- O
- Isomeric SMILES
- [3H]O[3H]
Synonyms
- Tritiated water
- Water, tritiated
- Heavy water (T2O)
- Tritiotope
- Water-t2
- ditritium oxide
- superheavy water
- ueberscheweres Wasser
- ((3)H2)water
- (~3~H_2_)Water
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
| Appearance | Colorless liquidexp.Measured value |
|---|---|
| Melting point | 4.5 °Cexp.Measured value |
| Boiling point | 101.5 °Cexp.Measured value |
| Density | 1.2138 g/cm³ at 25 °Cexp.Measured value |
| Vapour pressure | Liquid vapor pressure: 2.64 kPa at 25 °Cexp.Measured value |
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 | 22.03 g/molcalc.Computed value |
|---|---|
| Exact mass | 22.027 Dacalc.Computed value |
| LogP (octanol/water) | -0.82calc.Computed value |
| Topological polar surface area | 31.5 Ųcalc.Computed value |
| Hydrogen bond donors | 0calc.Computed value |
| Hydrogen bond acceptors | 0calc.Computed value |
| Rotatable bonds | 0calc.Computed value |
| Heavy atoms | 1calc.Computed value |
| Rings | 0calc.Computed value |
| Aromatic rings | 0calc.Computed value |
| Fraction sp3 carbons | 0calc.Computed value |
| Formal charge | 0calc.Computed value |
| Stereocentres | 0calc.Computed value |
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.
Tritium oxide suppliers
Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings
Post one free request and suppliers who make or trade Tritium oxide can send you quotes. Your contact details stay private until you accept a quote.
Tritium oxide price
Indicative price range per kg from live supplier offers
Suppliers quote this chemical on request. Send one free request and compare quotes side by side.
Uses and applications
What the substance is used for, by industry and function
Moderator in pressurized heavy water reactors.
Used for life science and drug metabolism studies to ensure the safety of potential new drugs ... for self-luminous aircraft and commercial exit signs ... for luminous dials, gauges and wrist watches ... and to produce luminous paint (Tritium).
Industries and functions
How it is made
Prepared by catalytic oxidation of T2 or by reduction of copper oxide using tritium gas.
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 Tritium oxide is traded under.
Tritium and its compounds, alloys, dispersions (including cermets), ceramic products and…
- Germany45.3%
- Netherlands16.0%
- France * partner reported13.4%
- Spain18.2%
- Netherlands17.9%
- South Korea7.9%
* Partner reported figures, a lower bound.
The HS code shown for Tritium oxide is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.
Related chemicals
Parent and salt forms, stereoisomers, similar structures and isomers
Stereoisomers and isotopic forms
Same connectivity, different stereochemistry or isotopes (same InChIKey skeleton)
Frequently asked questions
Quick answers about Tritium oxide, based on the data on this page
What is Tritium oxide?
What is Tritium oxide used for?
Guides for buyers
Practical guides that help when you source, ship or handle Tritium oxide
- Article, QualityWhat a certificate of analysis should containThe parts of a complete COA, how to read it against your specification, the warning signs of a weak or copied certificate and how to verify results.Read
- Article, SourcingHow to write an RFQ that gets fast and accurate quotesWhat suppliers need to quote quickly and comparably: exact product identity, quantity and packing, delivery terms, documents, samples and payment, with a ready to use template.Read
- Guide, Trade and logisticsHS codes for chemicals and why they matterHow the Harmonized System classifies chemicals, the chapters that matter, the rules for chemically defined compounds and mixtures, and practical steps to find the right code.Read
Get quotes for Tritium oxide
Embed this structure on your websiteShow code
Paste this code into your page to show the 2D structure of Tritium oxide with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.
<iframe src="https://www.compoundlist.com/embed/structure/tritium-oxide-14940-65-9" title="Tritium oxide 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>Explore more in Isotope-labelled compounds or HS code 284441