N-METHYL-N,O-BIS(TRIMETHYLSILYL)HYDROXYLAMINE
- CAS NO.：22737-33-3
- Empirical Formula: C7H21NOSi2
- Molecular Weight: 191.42
- MDL number: MFCD00191463
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:02:54
What is N-METHYL-N,O-BIS(TRIMETHYLSILYL)HYDROXYLAMINE?
Physical properties
bp 40–41 °C/10 mmHg; n20 D 1.4146.2
The Uses of N-METHYL-N,O-BIS(TRIMETHYLSILYL)HYDROXYLAMINE
As bis-trimethylsilylated N-methylhydroxylamine N-Methyl-N,O-bis(trimethylsilyl)- hydroxylamine can convert aldehydes and ketones to N-methyl nitrones with regio- and chemoselectivity; source of methylnitrene by pyrolysis; source of the trimethylsilyl(methyl)aminyl radical by photolysis.
Preparation
It is obtained in 52% yield by reaction of Nmethylhydroxylamine with chlorotrimethylsilane (2.0 equiv) and triethylamine (3.3 equiv) in ether at 25 °C.
Properties of N-METHYL-N,O-BIS(TRIMETHYLSILYL)HYDROXYLAMINE
| Boiling point: | 155.3±23.0 °C(Predicted) |
| Density | 1.4146 g/cm3 |
| storage temp. | Refrigerator |
| solubility | sol benzene, toluene, CH2Cl2, CHCl3. |
| form | clear liquid |
| pka | 5.95±0.70(Predicted) |
| color | Colorless to Light yellow to Light orange |
Safety information for N-METHYL-N,O-BIS(TRIMETHYLSILYL)HYDROXYLAMINE
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H226:Flammable liquids H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P242:Use only non-sparking tools. P243:Take precautionary measures against static discharge. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P370+P378:In case of fire: Use … for extinction. P405:Store locked up. P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for N-METHYL-N,O-BIS(TRIMETHYLSILYL)HYDROXYLAMINE
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