![N-Methyl-N-trimethylsilylacetamide [Trimethylsilylating Agent]](https://img.chemicalbook.com/CAS/GIF/7449-74-3.gif)
T9341530
N-Methyl-N-trimethylsilylacetamide [Trimethylsilylating Agent] , >90.0%(GC) , 7449-74-3
Synonym(s):
MSA
CAS NO.：7449-74-3
Empirical Formula: C6H15NOSi
Molecular Weight: 145.27
MDL number: MFCD00040758
EINECS: 231-217-0
| Pack Size | Price | Stock | Quantity |
| 10g | RMB496.00 | In Stock |
|
| 25g | RMB888.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Boiling point: | 159-161 °C(lit.) |
| Density | 0.904 g/mL at 20 °C(lit.) |
| refractive index | n |
| Flash point: | 48 °C |
| storage temp. | -20°C |
| pka | -0.11±0.70(Predicted) |
| form | lyophilized powder |
| color | Clear light yellow |
| Specific Gravity | 0.906 |
| Sensitive | Moisture Sensitive |
| BRN | 506975 |
| InChI | InChI=1S/C6H15NOSi/c1-6(8)7(2)9(3,4)5/h1-5H3 |
| InChIKey | QHUOBLDKFGCVCG-UHFFFAOYSA-N |
| SMILES | C(N(C)[Si](C)(C)C)(=O)C |
| CAS DataBase Reference | 7449-74-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Acetamide, n-methyl-n-(trimethylsilyl)-(7449-74-3) |
| EPA Substance Registry System | Acetamide, N-methyl-N-(trimethylsilyl)- (7449-74-3) |
Description and Uses
N-Methyl-N-trimethylsilylacetamide may be used as a derivatizing reagent for the following:
- Quantification of the carbohydrate intermediates in glycation systems using gas chromatography coupled to mass spectrometry technique.
- Characterization of damaged products of thymine and cytosine formed by the exposure to UV light in a hydrogen peroxide solution using gas chromatography/mass spectrometry with scan mode and selected ion monitoring mode.
Safety
| Symbol(GHS) |    GHS05,GHS02,GHS07 |
| Signal word | Warning |
| Hazard statements | H314-H315-H319-H335-H226 |
| Precautionary statements | P261-P303+P361+P353-P305+P351+P338-P501a-P210-P233-P240-P241+P242+P243-P260-P264-P280-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P370+P378-P403+P235-P405-P501 |
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter |
| Hazard Codes | Xi |
| Risk Statements | 10-36/37/38 |
| Safety Statements | 37/39-16 |
| RIDADR | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| F | 10-21 |
| TSCA | TSCA listed |
| HazardClass | 3 |
| PackingGroup | III |
| HS Code | 29319090 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Flam. Liq. 3 |
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) |
