Fast Red RL Base CAS 99-52-5 | Azoic Dyes
Fast Red RL Base (CAS 99-52-5, EINECS 202-762-1, molecular formula C7H8N2O2, molecular weight 152.15) is a azoic dye product. Azoic diazo component (developer): couples with Naphthol AS to give bright red shades in cotton dyeing and printing; also used in organic pigment synthesis and as a pharmaceutical intermediate.
[Basic Product Information]
Chinese Name: 红色基RL
English Name: Fast Red RL Base
Aliases / Synonyms: Fast Red RL Base; 4-Nitro-o-anisidine; 2-Methoxy-4-nitroaniline
IUPAC Name: 2-methyl-4-nitroaniline
CAS Registry No.：99-52-5
EINECS No.：202-762-1
Molecular Formula: C7H8N2O2
Molecular Weight: 152.15
Suggested HS Code: 2921.49 (other aromatic monoamines and their derivatives)
SMILES：CC1=C(C=CC(=C1)[N+](=O)[O-])N
InChIKey：XTTIQGSLJBWVIV-UHFFFAOYSA-N
[Technical Specifications & Supply Information]
Appearance: Yellow to yellow-green crystalline powder
Assay / Purity: ≥99.0% (HPLC, dry basis)
Grade: Industrial Grade
Packing: 25 kg fiber drum / woven bag (with inner PE liner)
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 with each shipment; third-party SGS testing available for bulk orders
Storage: store sealed, protected from light, in a dry and ventilated place, away from fire, heat sources and strong oxidizers
[Applications]
Azoic diazo component (developer): couples with Naphthol AS to give bright red shades in cotton dyeing and printing; also used in organic pigment synthesis and as a pharmaceutical intermediate.
[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.
[Frequently Asked Questions (FAQ)]
Q: What are the CAS number and molecular formula of Fast Red RL Base?
A: Fast Red RL Base has CAS registry number 99-52-5, molecular formula C7H8N2O2, molecular weight 152.15 and EINECS number 202-762-1.
Q: What are the main uses and applications of Fast Red RL Base?
A: Azoic diazo component (developer): couples with Naphthol AS to give bright red shades in cotton dyeing and printing; also used in organic pigment synthesis and as a pharmaceutical intermediate.
Q: What are the standard purity and grade of Fast Red RL Base?
A: Standard supply purity ≥99.0% (HPLC, dry basis), 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 RL Base?
A: Standard packing: 25 kg fiber drum / woven bag (with inner PE liner). 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 with Naphthol AS to give bright red shades in cotton dyeing and printing; also used in organic pigment synthesis and as a pharmaceutical intermediate.
Q: How should Fast Red RL Base be stored and transported?
A: Azoic diazo component (developer): couples with Naphthol AS to give bright red shades in cotton dyeing and printing; also used in organic pigment synthesis and as a pharmaceutical intermediate.
[Keywords]
Fast Red RL Base, Fast Red RL Base, 4-Nitro-o-anisidine, 2-Methoxy-4-nitroaniline, 99-52-5, Azoic Dyes
[Q&A]
Q: What are the CAS number and molecular formula of Fast Red RL Base?
A: Fast Red RL Base has CAS registry number 99-52-5, molecular formula C7H8N2O2, molecular weight 152.15 and EINECS number 202-762-1.
Q: What are the main uses and applications of Fast Red RL Base?
A: Azoic diazo component (developer): couples with Naphthol AS to give bright red shades in cotton dyeing and printing; also used in organic pigment synthesis and as a pharmaceutical intermediate.
Q: What are the standard purity and grade of Fast Red RL Base?
A: Standard supply purity ≥99.0% (HPLC, dry basis), 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 RL Base?
A: Standard packing: 25 kg fiber drum / woven bag (with inner PE liner). 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 with Naphthol AS to give bright red shades in cotton dyeing and printing; also used in organic pigment synthesis and as a pharmaceutical intermediate.
Q: How should Fast Red RL Base be stored and transported?
A: Azoic diazo component (developer): couples with Naphthol AS to give bright red shades in cotton dyeing and printing; also used in organic pigment synthesis and as a pharmaceutical intermediate.
