Deuterium oxide (CAS 7789-20-0) — formula H2O, molecular weight 20.028; category inorganic chemicals.
Deuterium oxide (CAS 7789-20-0) is a chemical raw material in the inorganic chemicals category. Its molecular formula H2O comprises 2 H, 1 O atoms. Its molecular weight is about 20.028. Reported physicochemical data: melting point around 3.81 °C; triple point 3.82 °C, boiling point around 101.42 °C, LogP about -0.5. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 7789-20-0 |
|---|---|
| Molecular Formula | H2O |
| Molecular Weight | 20.028 |
| Melting Point | 3.81 °C; triple point 3.82 °C |
| Boiling Point | 101.42 °C |
| LogP | -0.5 |
| Applications | Used to study mechanisms and rates of chemical or nuclear reactions, as well as biological processes. Deuterium oxide is present in nature. Water contains about 1 part per 6500, To study chemical reaction rates and mechanisms. The cross section of deuterium for the capture of thermal neutrons is very low which makes it useful, in the form of heavy water, as a neutron moderator in nuclear reactors. Produces a considerable decrease in neutron energy per collision, Intermediate |
| Category | Inorganic Chemicals |
Documented applications: Used to study mechanisms and rates of chemical or nuclear reactions, as well as biological processes. Deuterium oxide is present in nature. Water contains about 1 part per 6500, To study chemical reaction rates and mechanisms. The cross section of deuterium for the capture of thermal neutrons is very low which makes it useful, in the form of heavy water, as a neutron moderator in nuclear reactors. Produces a considerable decrease in neutron energy per collision, Intermediate.
Deuterium oxide is an inorganic compound with CAS registry number 7789-20-0 and molecular formula H2O (molecular weight 20.028), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 7789-20-0
Its molecular formula H2O comprises 2 H, 1 O atoms.
Also known as: Deuterium oxide · 氧化氘
Category: inorganic chemicals
The CAS registry number of Deuterium oxide is 7789-20-0.
Molecular formula H2O, molecular weight 20.028.
It is also registered under: Deuterium oxide, 氧化氘.
Recorded applications: Used to study mechanisms and rates of chemical or nuclear reactions, as well as biological processes. Deuterium oxide is present in nature. Water contains about 1 part per 6500, To study chemical reaction rates and mechanisms. The cross section of deuterium for the capture of thermal neutrons is very low which makes it useful, in the form of heavy water, as a neutron moderator in nuclear reactors. Produces a considerable decrease in neutron energy per collision, Intermediate.
Category: Inorganic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Deuterium oxide (CAS 7789-20-0), compiled from public chemistry databases.
| CAS Registry Number | 7789-20-0 |
|---|---|
| PubChem CID | 24602 |
| Molecular formula | H2O |
| IUPAC name | deuterated water |
| UNII (FDA) | J65BV539M3 |
| Molecular Weight | 20.028 |
|---|---|
| XLogP3 | -0.5 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 20.023118175 |
| Monoisotopic Mass | 20.023118175 |
| Topological Polar Surface Area | 1 |
| Heavy Atom Count | 1 |
| Boiling Point | 101.42 °C |
|---|---|
| Melting Point | 3.81 °C; triple point 3.82 °C |
| Vapor Pressure | VP: 1.999 kPa at 20 °C |
| Vapor Pressure | 20.6 mm Hg at 25 °C |
| Viscosity | 1.107 cP at 25 °C |
| Surface Tension | 71.93 dyn/cm at 25 °C |
DEUTERIUM OXIDE; 7789-20-0; Heavy water; Deuterated water; Water-d2; Dideuterium oxide; Heavy water (D2O); Water-d sub(2); J65BV539M3; DTXSID4051243; CHEBI:41981; Oxide, Deuterium; RefChem:5735; DTXCID3029865; 232-148-9; Heavy water-d2
| GHS notification summary | 99.6% (226 / 227) |
|---|
| GHS notification summary | 99.6% (226 / 227) |
|---|
This chemical does not meet GHS hazard criteria for 99.6% (226 of 227) of all reports.
Reported as not meeting GHS hazard criteria by 226 of 227 companies (only 0.4% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
Deuterium oxide · CAS 7789-20-0 · H2O. UNII J65BV539M3. Boiling Point: 101.42 °C; Melting Point: 3.81 °C; triple point 3.82 °C; Vapor Pressure: VP: 1.999 kPa at 20 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 氧化氘