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| Product | Description | |
|---|---|---|
| Indigo carmine | Indigo carmine is an efficient reagent for the determination of ozone by chemlluminescence (CL) [1]. Uses: Scientific research. Group: Fluorescent dye. Alternative Names: Indigotindisulfonate sodium; C.I.Acid Blue 74. CAS No. 860-22-0. Pack Sizes: 500 mg. Product ID: HY-W040226. |  |
| Indigo carmine | Indigo carmine. Synonyms: Acid Blue 74, Indigo-5,5'-disulfonic acid disodium salt, Indigocarmine. CAS No. 860-22-0. Product ID: CDC10-0158. Molecular formula: C16H8N2O8S2Na2. Category: Cosmetic Color Additives. Product Keywords: Cosmetic Ingredients; Cosmetic Color Additives; Indigo carmine; CDC10-0158; 860-22-0; C16H8N2O8S2Na2; Acid Blue 74, Indigo-5,5'-disulfonic acid disodium salt, Indigocarmine; 212-728-8; MFCD00005723; 860-22-0. Purity: 85 %. Color: Very dark blue to purple. EC Number: 212-728-8. Physical State: Solid. Solubility: 1 g/L. Quality Level: 200. Storage: room temp. Boiling Point: N/A. Melting Point: ≥340 °C. Density: 1.01 g/mL at 20 °C. |  |
| Indigo Carmine (C.I. 73015) | 25g Pack Size. Group: Stains & Indicators. Formula: C16H8N2Na2O8S2. CAS No. 860-22-0. Prepack ID 48763027-25g. Molecular Weight 466.35. See USA prepack pricing. |  |
| Indigo carmine impurity 1 | Indigo carmine impurity 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 27414-69-3. Molecular Formula: C16H9N2NaO5S. Mole Weight: 364.31. Catalog: APB27414693. |  |
| Indigo carmine impurity 2 | Indigo carmine impurity 2. Uses: For analytical and research use. Group: Impurity standards. CAS No. 27414-68-2. Molecular Formula: C16H8N2Na2O8S2. Mole Weight: 466.35. Catalog: APB27414682. | |
| Indigo carmine impurity 3 (Indigo) | Indigo carmine impurity 3 (Indigo). Uses: For analytical and research use. Group: Impurity standards. CAS No. 482-89-3. Molecular Formula: C16H10N2O2. Mole Weight: 262.27. Catalog: APB482893. | |
| Indigo Carmine, Reagent Grade, 25 g | Notes: pH 11. 6 blue to 13. 0 yellow. Formula: C16H8N2Na2O8S2. Formula Wt: 466. 37. Storage Code: Green; general chemical storage. Group: chem-category biological stains. Alternative Names: Food blue No. 2, indigo disulfonate. Grades: chem-grade reagent. CAS No. 860-22-0. Product ID: 868550. -- SOLD FOR EDUCATIONAL USE ONLY -- |  |
| 2-Nitrobenzaldehyde | 2-Nitrobenzaldehyde is a benzaldhyde with a nitro group substituted in the ortho position. 2-Nitrobenzaldehyde is used in the preparation of dyes and colorants such as Indigo carmine. 2-Nitrobenzaldehyde gas been shown to be a useful photoremovable protecting group as well as in the preparation of more effective ones such as o-Nitrophenylethylene glycol. Group: Biochemicals. Alternative Names: o-Nitrobenzaldehyde; 1-Formyl-2-nitrobenzene; 2-Formyl-3-nitrobenzene; NSC 5713; 2-Nitro Benzene carboxaldehyde; 2-NBA. Grades: Highly Purified. CAS No. 552-89-6. Pack Sizes: 10g. US Biological Life Sciences. |  Worldwide |
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