Molekula
L-(+)-Sélénométhionine
L-(+)-Selenomethionine
L-(+)-Selenomethionine is a selenium-containing amino acid used in nutritional supplements and biochemical research to study selenium metabolism and antioxidant functions. It is a white to off-white crystalline powder with a molecular formula of C5H11NO2Se and a molecular weight of 196.11 g/mol. It is classified as a hazardous substance with a signal word of Danger and must be stored at temperatures between -15 and -20 °C. Molekula supplies L-(+)-Selenomethionine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Aperçu
L-(+)-Selenomethionine is a selenium-containing amino acid used in nutritional supplements and biochemical research to study selenium metabolism and antioxidant functions. It is a white to off-white crystalline powder with a molecular formula of C5H11NO2Se and a molecular weight of 196.11 g/mol. It is classified as a hazardous substance with a signal word of Danger and must be stored at temperatures between -15 and -20 °C. Molekula supplies L-(+)-Selenomethionine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Prix et formats de conditionnement
Spécifications
| Property | Value |
|---|---|
| Appearance | White to off white powder |
| Loss on Drying | ≤1.0% |
| Assay | ≥98% |
| Selenium | 37.2% - 42.9% |
| Identification (IR) | Conforms to reference |
| Infrared Spectrum | Standard- compliant spectra |
| Carbon (anhydrous) | 29.5% - 31.5% |
| Nitrogen (anhydrous) | 6.6% - 7.6% |
Stockage et manipulation
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Flash Point | 100 C |
| Transport Class | 6.1 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 24764032 |
| CAS Number | 3211-76-5 |
| Molecular Formula | C5H11NO2Se |
| Molecular Weight | 196.11 |
| SMILES | C[Se]CC[C@@H](C(=O)O)N |
| EC / UN Number | 3283 |
| REACH Code | Y110 |
| HTS Code | 29319000 |
| Tariff Code | 2931900090 |
Sécurité et GHS
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Toxic
GHS06
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Déclarations de danger
- H301 Toxic if swallowed
- H331 Toxic if inhaled
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Déclarations de précaution
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
À usage recherche et industriel uniquement
Documents
Fiches de données de sécurité (FDS)
Disponible en IT, FR, ES, DE, EN.
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IT - (24764032) L-(+)-SELENOMETHIONINE [3211-76-5].pdf
SDS · IT · 250 KB
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FR - (24764032) L-(+)-SELENOMETHIONINE [3211-76-5].pdf
SDS · FR · 255 KB
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ES - (24764032) L-(+)-SELENOMETHIONINE [3211-76-5].pdf
SDS · ES · 253 KB
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DE - (24764032) L-(+)-SELENOMETHIONINE [3211-76-5].pdf
SDS · DE · 254 KB
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EN - (24764032) L-(+)-SELENOMETHIONINE [3211-76-5].pdf
SDS · EN · 250 KB
Certificat d'analyse (CoA) par lot
Saisissez un numéro de lot ou de série pour récupérer le certificat d'analyse correspondant à ce lot spécifique. Nous pouvons en générer un à partir des données de spécification si aucun PDF n'est disponible.
Synonymes
Aucun autre nom enregistré pour ce produit.
Questions fréquentes
What is L-(+)-Selenomethionine used for?
It is used as a selenium source in nutritional supplements and research applications, particularly in studies involving selenium metabolism and antioxidant activity.
What is the chemical formula and molecular weight of L-(+)-Selenomethionine?
The formula is C5H11NO2Se with a molecular weight of 196.11 g/mol.
How should L-(+)-Selenomethionine be stored?
It must be stored at temperatures between -15 and -20 °C to maintain stability and prevent degradation.
What grade of L-(+)-Selenomethionine is available?
We supply L-(+)-Selenomethionine in research grade, suitable for laboratory and scientific use.
Can Molekula supply L-(+)-Selenomethionine in bulk?
Yes, we can supply L-(+)-Selenomethionine in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of L-(+)-Selenomethionine?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with regulatory standards.
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Indiquez le produit, le grade et la quantité – Molekula répond généralement sous un jour ouvrable avec le prix et le délai de livraison.