Water-18O
- Product Name
- Water-18O
- CAS No.
- 14314-42-2
- Chemical Name
- Water-18O
- Synonyms
- O18-Water;WATER-18O;Water-1?O;(18O)Water;Water-18<;18O, 97%]-water;WATER (18O, 97%);WATER (18O, 10%);18O Labeled water;Heavy-oxygen water
- CBNumber
- CB7334306
- Molecular Formula
- H2O
- Formula Weight
- 20.02
- MOL File
- 14314-42-2.mol
Water-18O Property
- Melting point:
- 0 °C(lit.)
- Boiling point:
- 100 °C(lit.)
- Density
- 1.11 g/mL at 20 °C(lit.)
- storage temp.
- Inert atmosphere,Room Temperature
- form
- Colourless Liquid
- color
- Colorless to light yellow
- Stability:
- Hygroscopic
- InChI
- InChI=1S/H2O/h1H2/i1+2
- InChIKey
- XLYOFNOQVPJJNP-NJFSPNSNSA-N
- SMILES
- [18OH2]
N-Bromosuccinimide Price
- Product number
- 902187
- Product name
- Water-18O
- Purity
- (for PET), ≥98 atom % 18O
- Packaging
- 10G
- Price
- $3430
- Updated
- 2024/03/01
- Product number
- 902187
- Product name
- Water-18O
- Purity
- (for PET), ≥98 atom % 18O
- Packaging
- 20G
- Price
- $5460
- Updated
- 2024/03/01
- Product number
- 902187
- Product name
- Water-18O
- Purity
- (for PET), ≥98 atom % 18O
- Packaging
- 50G
- Price
- $10940
- Updated
- 2024/03/01
- Product number
- 332089
- Product name
- Water-18O
- Purity
- Normalized with respect to hydrogen
- Packaging
- 1g
- Price
- $153
- Updated
- 2024/03/01
- Product number
- 329878
- Product name
- Water-18O
- Purity
- (for PET), 97 atom % 18O
- Packaging
- 1g
- Price
- $368
- Updated
- 2024/03/01
Water-18O Chemical Properties,Usage,Production
Description
Only 0.2% of the oxygen-18O isotope exists in atmospheric oxygen. The Water-18O is manufactured by enriching the oxygen-18O over 98 atom% and is used to produce the [18F]FDG *1 PET diagnostic reagent for cancer. Water enriched in the oxygen-18 isotope (Water-18O) is widely used in medicine, agrochemistry and biochemistry. Oxygen-18 was first enriched to 99.5% in 1943 using thermal diffusion. To date, the use of electrolysis, chemical isotope exchange, gas diffusion, and rectification of oxygen, nitric oxide, and water has been described to enrich water with oxygen-18. Among them, the method of rectification of water, first demonstrated in 1944, is successfully used now in industry.
Chemical Properties
Colourless Liquid
Uses
Water-18O, 97 atom % 18O is used in DNA stable isotope probing (SIP) to investigate microbial growth and death in environmental samples.
Uses
Water-18O is an isotopically modified water, which is appropriate for PET applications.
It can also be used:
- In paleoclimatology, hydrology, and plant ecology to determine soil stable oxygen isotope analysis of plant cellulose using δ18O.
- To determine the diffusion of moisture into crystals using secondary ion mass spectrometry (SIMS).
Definition
ChEBI: A form of water consisting of two hydrogen atoms covalently bonded to an oxygen-18 atom.
Water-18O Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Water-18O manufacturers
- Product
- Heavy-oxygen water 14314-42-2
- Price
- US $0.00/g
- Min. Order
- 1g
- Purity
- 99%
- Supply Ability
- 1000000
- Release date
- 2023-12-13