Methanol-d4
Synonym(s):Methanol-D4;Methyl-d3 alcohol d;Tetradeuteromethanol
- CAS NO.：811-98-3
- Empirical Formula: CD4O
- Molecular Weight: 36.07
- MDL number: MFCD00044637
- EINECS: 212-378-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-10-23 13:36:13
What is Methanol-d4?
Synthesis
A preparation method for providing per-deuterated methanol is provided, specifically: opening the valve of deuterium gas and carbon monoxide, and controlling the volume ratio to be 1:1 to carry out premixing (deuterium gas and carbon monoxide are respectively 2kg and 14kg, a total of 16kg). Under the pressure of 5.5MPa, at a speed of 2L/s, through the catalyst bed layer of gold oxide: platinum oxide: rhodium oxide = 1:3:2 (mass ratio) at 210~380℃, after continuous circulation reaction for 24 hours, in The per-deuterated methanol reaction solution was obtained from the separation kettle, and the obtained reaction solution was rectified to give Methanol-d4: 3.2 kg, yield 35.5%, purity 99.8%.
Chemical properties
colourless liquid
The Uses of Methanol-d4
Methanol-d4 may be used as a solvent to analyze the rate of exchange of methoxyl group in camphor and norcamphor dimethyl ketals.
What are the applications of Application
Methyl Alcohol-d4 is the labeled analog of methyl alcohol, a common laboratory solvent used primarily in spectroscopic techniques (UV/VIS, NMR, IR).
Definition
ChEBI: Methanol-d4 is a deuterated compound that is methanol in which all four hydrogen atoms are replaced by deuterium. It is commonly used as a solvent in NMR spectroscopy. It has a role as an amphiprotic solvent.
General Description
Methanol-d4 (CD3OD) is a deuterated NMR solvent used for NMR-based research and analyses. It has the highest isotopic enrichment and will not interfere with the desired level of detection.
The absolute infrared absorption intensities of CD3OD have been reported between 8000 and 350cm-1.
Synthesis
2131312313
Properties of Methanol-d4
| Melting point: | -99 °C |
| Boiling point: | 65.4 °C(lit.) |
| Density | 0.888 g/mL at 25 °C(lit.) |
| vapor pressure | 129 hPa (20 °C) |
| refractive index | n |
| Flash point: | 52 °F |
| storage temp. | no restrictions. |
| solubility | Chloroform (Slightly), Water (Slightly) |
| form | Liquid |
| color | Colorless |
| Specific Gravity | 0.89 |
| explosive limit | 5.5-36.5%(V) |
| Water Solubility | Miscible with water, ethanol, ether, acetone and chloroform. |
| BRN | 1733278 |
| Exposure limits | ACGIH: TWA 200 ppm; STEL 250 ppm (Skin) OSHA: TWA 200 ppm(260 mg/m3) NIOSH: IDLH 6000 ppm; TWA 200 ppm(260 mg/m3); STEL 250 ppm(325 mg/m3) |
| Stability: | Stable. Incompatible with moisture, acids, acid chlorides, acid anhydrides, oxidizing agents, reducing agents, alkali metals. Highly flammable. |
| CAS DataBase Reference | 811-98-3(CAS DataBase Reference) |
| EPA Substance Registry System | Methanol-d4 (811-98-3) |
Safety information for Methanol-d4
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08 |
| GHS Hazard Statements |
H225:Flammable liquids H370:Specific target organ toxicity, single exposure |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
Computed Descriptors for Methanol-d4
| InChIKey | OKKJLVBELUTLKV-MZCSYVLQSA-N |
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