Molekula
L-(+)-سلينوميثيونين
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.
نظرة عامة
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.
الأسعار ومقاسات التعبئة
المواصفات
| 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% |
التخزين والتعامل
| 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 |
التعرف
| 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 |
السلامة ونظام التصنيف والتحذير العالمي
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Toxic
GHS06
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
بيانات الخطر
- 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
إقرارات احترازية
- 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
مخصص للأغراض البحثية والصناعية فقط
الوثائق
أوراق بيانات السلامة (SDS)
متوفر بـ 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
شهادة التحليل (CoA) حسب الدفعة
أدخل رقم الدفعة أو الحزمة للحصول على شهادة المطابقة الخاصة بهذه الدفعة المحددة. يمكننا إنشاء واحدة من بيانات المواصفات إذا لم تكن هناك نسخة PDF محفوظة.
مرادفات
لا توجد أسماء بديلة مسجلة لهذا المنتج.
الأسئلة الشائعة
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.
جاهز للطلب أو تحتاج إلى حزمة مخصصة؟
أخبرنا بالمنتج، والجودة، والكمية — عادةً ما نرد خلال يوم عمل واحد بأسعار التوريد وموعد التسليم.