Sulfonated Para-Ester CAS 42986-22-1 | Dye Intermediates
Sulfonated Para-Ester (CAS 42986-22-1, EINECS 610-097-7, molecular formula C8H11NO9S3, molecular weight 361.4) is a dye intermediate product. Polysulfonic-type vinyl sulfone reactive dye intermediate, used to synthesize Reactive Brilliant Blue and Reactive Deep Blue series dyes with high fixation, good salt tolerance and alkali stability; suitable for the dyeing and printing of cotton, linen and viscose fibers.
[Basic Product Information]
Chinese Name: 磺化对位酯
English Name: Sulfonated Para-Ester
Aliases / Synonyms: Sulfonated Para-Ester; 2-Amino-5-(2-sulfatoethylsulfonyl)benzenesulfonic acid
IUPAC Name: 2-amino-5-(2-sulfooxyethylsulfonyl)benzenesulfonic acid
CAS Registry No.：42986-22-1
EINECS No.：610-097-7
Molecular Formula: C8H11NO9S3
Molecular Weight: 361.4
Suggested HS Code: 2922.29 (oxygenated amino compounds) / 2930.90 (other organo-sulfur compounds)
SMILES：C1=CC(=C(C=C1S(=O)(=O)CCOS(=O)(=O)O)S(=O)(=O)O)N
InChIKey：UQEAQYXIDTYYNI-UHFFFAOYSA-N
[Technical Specifications & Supply Information]
Appearance: White to light gray crystalline powder
Assay / Purity: ≥95.0% (HPLC, dry basis)
Grade: Industrial Grade
Packing: 25 kg woven bag / fiber drum (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]
Polysulfonic-type vinyl sulfone reactive dye intermediate, used to synthesize Reactive Brilliant Blue and Reactive Deep Blue series dyes with high fixation, good salt tolerance and alkali stability; suitable for the dyeing and printing of cotton, linen and viscose fibers.
[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 Sulfonated Para-Ester?
A: Sulfonated Para-Ester has CAS registry number 42986-22-1, molecular formula C8H11NO9S3, molecular weight 361.4 and EINECS number 610-097-7.
Q: What are the main uses and applications of Sulfonated Para-Ester?
A: Polysulfonic-type vinyl sulfone reactive dye intermediate, used to synthesize Reactive Brilliant Blue and Reactive Deep Blue series dyes with high fixation, good salt tolerance and alkali stability; suitable for the dyeing and printing of cotton, linen and viscose fibers.
Q: What are the standard purity and grade of Sulfonated Para-Ester?
A: Standard supply purity ≥95.0% (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 Sulfonated Para-Ester?
A: Standard packing: 25 kg woven bag / fiber drum (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: Polysulfonic-type vinyl sulfone reactive dye intermediate, used to synthesize Reactive Brilliant Blue and Reactive Deep Blue series dyes with high fixation, good salt tolerance and alkali stability; suitable for the dyeing and printing of cotton, linen and viscose fibers.
Q: How should Sulfonated Para-Ester be stored and transported?
A: Polysulfonic-type vinyl sulfone reactive dye intermediate, used to synthesize Reactive Brilliant Blue and Reactive Deep Blue series dyes with high fixation, good salt tolerance and alkali stability; suitable for the dyeing and printing of cotton, linen and viscose fibers.
[Keywords]
Sulfonated Para-Ester, Sulfonated Para-Ester, 2-Amino-5-(2-sulfatoethylsulfonyl)benzenesulfonic acid, 42986-22-1, Dye Intermediates
[Q&A]
Q: What are the CAS number and molecular formula of Sulfonated Para-Ester?
A: Sulfonated Para-Ester has CAS registry number 42986-22-1, molecular formula C8H11NO9S3, molecular weight 361.4 and EINECS number 610-097-7.
Q: What are the main uses and applications of Sulfonated Para-Ester?
A: Polysulfonic-type vinyl sulfone reactive dye intermediate, used to synthesize Reactive Brilliant Blue and Reactive Deep Blue series dyes with high fixation, good salt tolerance and alkali stability; suitable for the dyeing and printing of cotton, linen and viscose fibers.
Q: What are the standard purity and grade of Sulfonated Para-Ester?
A: Standard supply purity ≥95.0% (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 Sulfonated Para-Ester?
A: Standard packing: 25 kg woven bag / fiber drum (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: Polysulfonic-type vinyl sulfone reactive dye intermediate, used to synthesize Reactive Brilliant Blue and Reactive Deep Blue series dyes with high fixation, good salt tolerance and alkali stability; suitable for the dyeing and printing of cotton, linen and viscose fibers.
Q: How should Sulfonated Para-Ester be stored and transported?
A: Polysulfonic-type vinyl sulfone reactive dye intermediate, used to synthesize Reactive Brilliant Blue and Reactive Deep Blue series dyes with high fixation, good salt tolerance and alkali stability; suitable for the dyeing and printing of cotton, linen and viscose fibers.
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