Erythrosine B free acid
Based on 1 Customer Validation
Erythrosine B free acid is a visibly red dye with colorimetric and fluorescent properties that serves as an important dye for many Gram-positive and -negative bacteria. Erythrosine B free acid can be used for live/dead determination in both colorimetric and fluorescence-based assays for low, medium and high-throughput experimentation.
For research use only. We do not sell to patients.
- Purity: 99.07%
- CAS No.: 15905-32-5
- Formula: C20H8I4O5
- Molecular Weight:835.89
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Storage:
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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HY-107864R
Erythrosine B free acid (Standard)
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HY-Y0016
Rhodamine B
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HY-D0259
Erythrosine B
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Acid Red 94 sodium
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Rhodamine 6G
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Acid Red 94 sodium (Standard)
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Rhodamine B (solution)
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HY-Y0016R
Rhodamine B (Standard)
Biological Activity
Chemical Information
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CAS No. 15905-32-5
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Appearance Solid
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Molecular Weight 835.89
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Formula C20H8I4O5
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Color Orange to red
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SMILES
O=C1OC2(C3=CC(I)=C(C(I)=C3OC4=C(C(O)=C(C=C42)I)I)O)C5=C1C=CC=C5
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Synonyms
Tetraiodofluorescein
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
Solvent & Solubility
DMSO : 5.83 mg/mL (6.97 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Purity & Documentation
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Data Sheet (273 KB)
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SDS (476 KB)
- English - EN (476 KB)
- Français - FR (476 KB)
- Deutsch - DE (476 KB)
- Norwegian - NO (476 KB)
- Español - ES (476 KB)
- Swedish - SV (476 KB)
- Italian - IT (476 KB)
- Korean - KR (476 KB)
- Portuguese - PT (476 KB)
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Handling Instructions (2659 KB)
References
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 1.1963 mL | 5.9816 mL | 11.9633 mL | 29.9082 mL |
| 5 mM | 0.2393 mL | 1.1963 mL | 2.3927 mL | 5.9816 mL |
Erythrosine B free acid Related Classifications
HY-107864 Related Classifications
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