Molekula
كلوريد الصوديوم للفلوريسين (غير قابل للذوبان، محتوى صبغة 50-53%)
Fluorescein disodium salt (insoluble, 50-53% dye content)
Fluorescein disodium salt (insoluble, 50–53% dye content) is a fluorescent dye used in biological staining, diagnostic assays, and tracer studies. It exhibits strong green fluorescence when excited by blue light. Available in powder form with a molecular formula of C20H10Na2O5, molecular weight of 376.28 g/mol, and CAS number 518-47-8. Stable at ambient temperature and suitable for applications requiring high purity and consistent performance. Molekula supplies Fluorescein disodium salt (insoluble, 50–53% dye content) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
نظرة عامة
Fluorescein disodium salt (insoluble, 50–53% dye content) is a fluorescent dye used in biological staining, diagnostic assays, and tracer studies. It exhibits strong green fluorescence when excited by blue light. Available in powder form with a molecular formula of C20H10Na2O5, molecular weight of 376.28 g/mol, and CAS number 518-47-8. Stable at ambient temperature and suitable for applications requiring high purity and consistent performance. Molekula supplies Fluorescein disodium salt (insoluble, 50–53% dye content) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
الأسعار ومقاسات التعبئة
المواصفات
| Property | Value |
|---|---|
| Appearance | Red/ dark orange powder |
| Heavy metals | ≤ 40 mg/kg |
| Loss on Drying | ≤ 8% |
| Assay | ≥80.0% |
| Absorption Ratio | 1.20-1.70 ((λmax - 15 nm)/(λmax +15 nm)) |
| Cadmium (Cd) | ≤ 1 mg/kg |
| Mercury (Hg) | ≤ 1 mg/kg |
| Arsenic (As) | ≤ 3 mg/kg |
| Wavelenght of max absorption | 488.0 - 492.0 nm (in distilled water) |
| Lead(Pb) | ≤ 10 mg/kg |
التخزين والتعامل
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 218 C |
| Shelf Life | 24 months |
| Acidity | Neutral |
التعرف
| Property | Value |
|---|---|
| SKU | 15462696 |
| CAS Number | 518-47-8 |
| Molecular Formula | C20H10Na2O5 |
| Molecular Weight | 376.28 |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)[O-])OC5=C3C=CC(=C5)[O-].[Na+].[Na+] |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
السلامة ونظام التصنيف والتحذير العالمي
إقرارات احترازية
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
مخصص للأغراض البحثية والصناعية فقط
الوثائق
أوراق بيانات السلامة (SDS)
متوفر بـ PT, IT, FR, ES, DE, EN.
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PT - (15462696) FLUORESCEIN DISODIUM SALT (INSOLUBLE, 50-53% DYE CONTENT) [518-47-8].pdf
SDS · PT · 192 KB
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IT - (15462696) FLUORESCEIN DISODIUM SALT (INSOLUBLE, 50-53% DYE CONTENT) [518-47-8].pdf
SDS · IT · 188 KB
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FR - (15462696) FLUORESCEIN DISODIUM SALT (INSOLUBLE, 50-53% DYE CONTENT) [518-47-8].pdf
SDS · FR · 191 KB
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ES - (15462696) FLUORESCEIN DISODIUM SALT (INSOLUBLE, 50-53% DYE CONTENT) [518-47-8].pdf
SDS · ES · 190 KB
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DE - (15462696) FLUORESCEIN DISODIUM SALT (INSOLUBLE, 50-53% DYE CONTENT) [518-47-8].pdf
SDS · DE · 192 KB
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EN - (15462696) FLUORESCEIN DISODIUM SALT (INSOLUBLE, 50-53% DYE CONTENT) [518-47-8].pdf
SDS · EN · 188 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 Fluorescein disodium salt used for?
It is primarily used as a fluorescent tracer in biological and environmental studies, including flow cytometry, microscopy, and water tracing applications.
What is the chemical formula and molecular weight?
The formula is C20H10Na2O5 with a molecular weight of 376.28 g/mol.
How should Fluorescein disodium salt be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
This product is available as a technical grade with 50–53% dye content, suitable for research and industrial applications.
Can Molekula supply this in bulk?
Yes, Molekula can supply Fluorescein disodium salt in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
جاهز للطلب أو تحتاج إلى حزمة مخصصة؟
أخبرنا بالمنتج، والجودة، والكمية — عادةً ما نرد خلال يوم عمل واحد بأسعار التوريد وموعد التسليم.