Sodium Metabisulfite (SMS), scientifically identified by its CAS number 7631-90-5, stands as a cornerstone chemical intermediate across a multitude of industrial sectors. Its versatile properties, primarily as a potent reducing agent and antioxidant, make it an indispensable component in manufacturing processes. As a leading manufacturer based in China, we are dedicated to providing high-purity Sodium Metabisulfite that meets the stringent demands of global industries. Understanding its applications is key for procurement managers and R&D scientists seeking cost-effective and reliable chemical solutions.
The chemical nature of Sodium Metabisulfite, characterized by its white to light yellow crystalline powder form and a distinct sulfur dioxide odor, underpins its broad utility. Its high solubility in water and a purity level typically exceeding 99% make it an efficient agent in processes requiring precise chemical reactions. For businesses looking to buy Sodium Metabisulfite, understanding its functional benefits is paramount. It is frequently employed in the textile industry for bleaching and in papermaking to improve pulp quality, demonstrating its significance in material processing.
Furthermore, the food and beverage industry relies heavily on Sodium Metabisulfite as a preservative and antioxidant. It effectively prevents browning in dried fruits, acts as an antiseptic in wines, and safeguards other food products from oxidation, thereby extending shelf life and maintaining product integrity. Sourcing food-grade Sodium Metabisulfite from a reputable supplier ensures compliance with safety regulations and consistent product quality. For those in the pharmaceutical sector, it serves as a crucial intermediate in the synthesis of various compounds, highlighting the need for a dependable manufacturer.
In water treatment applications, Sodium Metabisulfite plays a vital role in neutralizing residual chlorine and protecting sensitive membranes in reverse osmosis systems. This application underscores its importance in environmental management and industrial water purification. When considering the purchase of Sodium Metabisulfite, it's beneficial to engage with a supplier who can offer technical support and competitive pricing, ensuring both operational efficiency and economic viability. Our commitment as a China-based manufacturer is to be that reliable partner for all your Sodium Metabisulfite requirements.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.