Textile Sodium Acetate Trihydrate
CAS NO.: 6131-90-4
Molecular Formula: CH3COONa·3H2O
Molecular Weight: 136.08
Character: Colorless crystal, it is soluble in water and alcohol and lightly soluble in acetic acid; specific gravity:1.45; melting point: 58℃.
Usage:It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
Package: 25kg plastic woven bag or 1000kg Ton-bag
Storage: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
- Product Description
Textile Sodium Acetate Trihydrate for Dyeing & Finishing — Stable pH Buffering for Consistent Color Results
Textile Sodium Acetate Trihydrate (CAS No. 6131-90-4) is a precision-grade buffering chemical widely used across dyeing, pre-treatment, and post-finishing processes in the textile industry. With a purity of ≥58% CH₃COONa·3H₂O, a molecular weight of 136.08, and a pH range of 7.5–9.0 in 5% aqueous solution, this product delivers stable, reproducible performance batch after batch. Shanxi Zhaoyi Chemical Co., Ltd., founded in 1988, brings over 30 years of acetate manufacturing expertise and a 150,000-ton annual production capacity to support your supply needs — reliably and competitively.
Technical Specifications
Parameter | Specification |
Content (CH₃COONa) | 58-60% |
Free Acid | ≤0.03% |
Water Insoluble | ≤0.04% |
Chloride (Cl) | ≤0.04% |
Ferrum (Fe) | ≤0.0002% |
Molecular Formula | CH₃COONa·3H₂O |
Molecular Weight | 136.08 |
Specific Gravity | 1.45 |
Melting Point | 58℃ |
Appearance | Colorless Crystal |
Solubility | Soluble in water and alcohol |
What Makes This Product Suitable for Textile Production?
Dyeing cotton, linen, silk, wool or synthetic fibers – pH control is everything. A little change in the pH of the dye liquid may lead to uneven dye uptake, poor color fastness or even damage to the fiber structure.
This product is used as a sodium acetate textile buffer, maintaining the pH in a tight, constant range (±0.1) for the whole dyeing operation. This uniformity allows you to have consistent dye penetration and lowers the batch to batch variation—directly cutting your faulty rate.
The product has excellent water solubility, dissolves quickly, and leaves no residual cloudiness or precipitation. Your dye fluid remains pure, clear and effective.
Key Performance Advantages
Stable buffering data rate.The pH stability of the product is (±0.1) in the dyeing process, which is the best weak alkaline condition for dyeing fibre bonding. This allows for immediate improvement in dyeing uniformity and colour consistency for big production runs.
Low in chloride.Chloride (Cl) is managed at ≤0.03%, well within acceptable limits. Known to cause fabric discolouration, odour and quality concerns are high chloride levels in rival products. This product removes that danger.
Clean break.The solution is clear and transparent after dissolution, without turbidity, precipitate or odour. That means no contamination of your dye liquid and no interaction with delicate fabric finishes.
Anti-caking characteristics.The product has an excellent flowability and does not agglomerate in storage. It may be prepared and dosed effectively without any additional processing or pre-treatment processes.
Wide compatibility.It is suitable for many kinds of fibre, cotton, linen, silk, wool and synthetic fibres, and is compatible with most textile dyes and auxiliaries used for pre-treatment, dyeing and post-finishing.
Core Application Scenarios
Sodium acetate trihydrate is used for much more than merely pH control in the textile industry. And here is when it really becomes a valuable part of your production workflow:
Dyeing method . Used as sodium acetate colour fixing agent and pH buffer. Improve the affinity between dye molecules and fibre, for richer and more lasting colours. The evidence reveals it may reduce washing fade rates by more than 30 per cent.
Before therapy. To neutralise residual alkali after scouring and bleaching, to retain fabric structure and hand prior to dyeing.
After completion. It maintains the pH of the fibres following treatment, so that the fibres do not deteriorate via acid or alkaline residues, and remain soft.
Preparation of mordants. Suitable for preparation of mordant solutions used in speciality textile dyeing when metal salt fixation is needed.
Treatment of sewage. Textile Sodium Acetate Trihydrate is used to neutralise the pH of textile effluent to fulfil environmental discharge regulations decreasing your wastewater treatment expenses and regulatory compliance risk.
Textile Sodium Acetate Trihydrate vs Other Products
F eature | Our Textile Grade | Standard Industrial Grade | Calcium Acetate | Ammonium Acetate |
pH Buffering Stability | ±0.1 variance | ±0.3 variance | Poor stability | Volatile, unstable |
Chloride Content | ≤0.04% | ≤0.2% | ≤0.1% | ≤0.15% |
Water Solubility | Complete, rapid | May have residue | Moderate | Complete |
Fabric Compatibility | All fiber types | Limited | Cotton/linen only | Sensitive fibers |
Caking Resistance | Excellent | Moderate | Poor | Poor |
Color Impact | None | Possible yellowing | May cause staining | None |
Shelf Life | 24 months | 12 months | 12 months | 6 months |
Environmental Safety | Low COD discharge | Higher COD | Moderate impact | Ammonia emission s |
Quality Control & Documentation
Each batch produced is subjected to a standard quality inspection process, which includes tests for content purity, chloride levels, heavy metals, iron content, pH, and solution clarity. The product meets the domestic industrial production standards and the environmental protection criteria of the textile industry.
We may supply supporting papers such as Certificate of Analysis (COA), Material Safety Data Sheet (MSDS) and evidence of compliance upon request. We can provide multilingual versions for your customs clearance, regulatory compliance and internal quality assurance requirements.
Certifications & Compliance
Shanxi Zhaoyi Chemical maintains the following management system certifications:
- ISO 9001 — Quality Management System
- ISO 14001 — Environmental Management System
- ISO 45001 — Occupational Health and Safety Management System
Kosher Certification
Halal Certification (for applicable food-grade products)
On-site factory audits by domestic and international customers are supported. The facility covers 27,000 m² and operates with full environmental protection infrastructure in place.
Packaging & Storage
Item | Details |
Standard Packaging | 25 kg plastic woven bag |
Bulk Packaging | 1,000 kg ton bag |
Storage Conditions | Dry, ventilated warehouse; away from heat and moisture |
Handling | Handle with care to avoid packaging damage |
Segregation | Store separately from toxic or hazardous substances |
FAQ
Q: What is the recommended dosage of sodium acetate trihydrate for textile dyeing?
A：Dosage is fiber type, dye system and process circumstances depending. Concentrations are usually in the 1–5 g/L range in the dye liquid. Our engineering staff may provide a suitable dose, depending on your process characteristics.
Q: Can this product be used for both cotton and synthetic fiber dyeing?
A: Yeah. It is suitable with cotton, linen, silk, wool and the majority of synthetic and composite fibers. It is suitable for reactive dyes, acid dyes and direct dyes.
Q: How does sodium acetate act as a color fixing agent in textile processes?
A: It is a sodium acetate dye fixing agent, which may buffer the PH value at a suitable weak alkaline level, so as to promote the covalent action between reactive dyes and fibres. This increases fastness of colour and reduces colour loss in washing.
Q: How long can it be stored and under what conditions?
A. This product may be kept in a dry, ventilated warehouse free from moisture and heat for a period of not less than 24 months. Store in original container to prevent cakeing.
Q: Do you provide samples before a big order?
A: Yeah. Samples for quality testing and process experiments are provided. Please get in touch with your application information and we will organise a sample shipment soon.
Q: What is the lead time for bulk orders?
A：Standard production lead time is approximately 5–7 working days. For in-stock products, delivery can be arranged within 24 hours. We maintain safety stock to support urgent replenishment during textile production peak seasons.
Our Exhibitions
Contact Us
Ready to improve your dyeing consistency and reduce production costs with Textile Sodium Acetate Trihydrate? Contact us at sxzy@sxzhaoyi.com — our team responds within 2 hours.
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