Fast Red B Base CAS 97-52-9 | Azoic Dyes
Fast Red B Base (CAS 97-52-9, EINECS 202-588-6, molecular formula C7H8N2O3, molecular weight 168.15) is a azoic dye product. Azoic diazo component (developer): couples after padding with Naphthol AS to give bright red to maroon shades in the dyeing and printing of cotton, linen and viscose cellulosic fabrics; also used for organic pigments and dye intermediates.
I. Basic Product Information
| Chinese Name | 红色基B |
| English Name | Fast Red B Base |
| Aliases / Synonyms | Fast Red B Base; 2-Methoxy-4-nitroaniline; C.I. Azoic Diazo Component 5 |
| IUPAC Name | 2-methoxy-4-nitroaniline |
| CAS Registry No. | 97-52-9 |
| EINECS No. | 202-588-6 |
| Molecular Formula | C7H8N2O3 |
| Molecular Weight | 168.15 |
| Suggested HS Code | 2922.29 (oxygenated amino compounds) |
| SMILES | COC1=C(C=CC(=C1)[N+](=O)[O-])N |
| InChIKey | GVBHRNIWBGTNQA-UHFFFAOYSA-N |
II. Technical Specifications & Supply Information
| Appearance | Moist form: orange-yellow paste; dry form: yellow-orange crystalline powder |
| Assay / Purity | Dry form ≥98.5% (HPLC, dry basis); moist form content agreed on wet basis (typically 50%–70%) |
| Grade | Industrial Grade |
| Packing | Moist form: 50 kg plastic drum; dry form: 25 kg fiber drum (customizable on request) |
| Standard | Enterprise standard / national standard (executed per batch COA) |
| Supply Capacity | Standard grades supplied from stock; bulk customization and long-term agreement supply supported |
| Documents Provided | COA and MSDS provided with each shipment; third-party SGS testing available for bulk orders |
| Storage Conditions | Store sealed, protected from light, in a dry and ventilated place, away from fire, heat sources and strong oxidizers |
III. Applications
Azoic diazo component (developer): couples after padding with Naphthol AS to give bright red to maroon shades in the dyeing and printing of cotton, linen and viscose cellulosic fabrics; also used for organic pigments and dye intermediates.
IV. Quality & Supply Assurance
1. Stable batch-to-batch quality, with batch-by-batch inspection before shipment; a COA is provided with each delivery for full traceability;
2. Standard grades held in stock for fast delivery; bulk custom packing and long-term agreement supply supported;
3. Samples available on request, with third-party testing (e.g., SGS) to support incoming-material verification;
4. Our product line covers dye, pharmaceutical, agrochemical and organic pigment intermediates — a one-stop source for multi-category raw materials.
V. Frequently Asked Questions (FAQ)
Q: What are the CAS number and molecular formula of Fast Red B Base?
A: Fast Red B Base has CAS registry number 97-52-9, molecular formula C7H8N2O3, molecular weight 168.15 and EINECS number 202-588-6.
Q: What are the main uses and applications of Fast Red B Base?
A: Azoic diazo component (developer): couples after padding with Naphthol AS to give bright red to maroon shades in the dyeing and printing of cotton, linen and viscose cellulosic fabrics; also used for organic pigments and dye intermediates.
Q: What are the standard purity and grade of Fast Red B Base?
A: Standard supply purity Dry form ≥98.5% (HPLC, dry basis); moist form content agreed on wet basis (typically 50%–70%), grade Industrial Grade; custom assay and special specifications available on request — exact figures are per the batch COA.
Q: What are the packing specifications and minimum order quantity (MOQ) of Fast Red B Base?
A: Standard packing: Moist form: 50 kg plastic drum; dry form: 25 kg fiber drum (customizable on request). Samples available on request and custom packing supported; bulk orders can be delivered in batches per agreement.
Q: Can you provide COA, MSDS and other quality documents?
A: Azoic diazo component (developer): couples after padding with Naphthol AS to give bright red to maroon shades in the dyeing and printing of cotton, linen and viscose cellulosic fabrics; also used for organic pigments and dye intermediates.
Q: How should Fast Red B Base be stored and transported?
A: Azoic diazo component (developer): couples after padding with Naphthol AS to give bright red to maroon shades in the dyeing and printing of cotton, linen and viscose cellulosic fabrics; also used for organic pigments and dye intermediates.
VI. Keywords
Fast Red B Base, Fast Red B Base, 2-Methoxy-4-nitroaniline, C.I. Azoic Diazo Component 5, 97-52-9, Azoic Dyes
关键字： Fast Red B Base;2-Methoxy-4-nitroaniline;97-52-9;202-588-6;Azoic Dyes