Description

Reactive Yellow 164 is a high-performance, bifunctional reactive dye designed for vibrant and durable coloration. Its primary value lies in its excellent wash and light fastness properties, ensuring color integrity in demanding applications. This dye is essential for textile manufacturers specializing in the dyeing and printing of cellulosic fibers like cotton and viscose, where consistent shade and strong fiber bonding are critical.

Application

• Exhaust dyeing of cotton yarns and fabrics.
• Continuous dyeing processes for cellulosic textiles.
• Textile printing applications on cotton and viscose substrates.
• Garment dyeing for consistent and level shades.
• Used in the coloration of home textiles like bed linens and towels.
• Applicable in the production of dyed threads for sewing and embroidery.

Basic Information

Product Name	Reactive Yellow 164
CAS No.	106387-52-4
Molecular Formula	C29H19ClN7Na3O15S4
Molecular Weight	995.18 g/mol
Synonyms	Reactive Yellow M-5R; C.I. Reactive Yellow 164; Reactive Golden Yellow M-5R; Reactive Yellow H-5R; Apcofix Yellow H-5R; Dinactive Golden Yellow H-5R; Levafix Golden Yellow E-5R; Triactive Yellow C-5R
EINECS	Contact for details

Quality Control

Our Reactive Yellow 164 is manufactured under a stringent quality management system. Each batch is tested to ensure consistent strength, shade, and reactivity, meeting the high standards required for industrial textile applications. A Certificate of Analysis (COA) detailing purity, solubility, and fastness properties is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the original packaging is sealed after use to prevent moisture absorption, which can affect performance.

Specification

Item	Specification
Appearance	Yellow to Brownish-Yellow Powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Shade	Standard
Solubility in Water	≥ 100 g/L (at 50°C)
Moisture Content	≤ 5.0%
pH (1% Solution)	6.0 - 8.0
Fastness Properties	Wash: ≥ 4; Light: ≥ 5

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.