Sodium Sulphite Anhydrous 98% ACS

Sodium Sulphite Anhydrous 98% ACS feedback

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Price: £5.87

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Stock Availability

On Shelf - Approx. UK delivery date: Monday the 25th August 2025*

In bulk stock - ships within 10 - 15 Working Days (Excluding weekends and public holidays)

4 to 6 weeks approx. (Not guaranteed)

UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland.

We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.

AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed

General

What is Sodium Sulphite Anhydrous? It is an inorganic compound widely used as a reducing agent, preservative, and oxygen scavenger in industrial, laboratory, and water treatment applications.

Consistent Quality: We source only high-quality Sodium Sulphite Anhydrous, meeting the standards of ACS, ensuring reliable and consistent performance in laboratory, chemical, and industrial applications.

Shipped from Manchester, UK Facility: Sourced and packaged in non-toxic, chemical-resistant containers to ensure safe handling and maintain product quality during transport.

Frequent Uses

Water Treatment
Used as an oxygen scavenger in boiler and cooling water systems to prevent corrosion.

Photographic Processing
Acts as a preservative in photographic solutions to maintain chemical stability.

Pulp and Paper Industry
Applied in the bleaching and pulping process to reduce chlorine levels and improve processing efficiency.

Chemical and Laboratory Applications
Employed as a reducing agent and reagent in analytical chemistry and industrial formulations.

Specification

FOOD GRADE CERTIFIED

Minimum Assay: >98%
Molecular Formula: Na2SO3
Molecular Weight: 126.05 g/mol
Melting Point: 884°C
Alkalinity (Na2CO3); < 0.1%
Thiosulphates (S2O3): < 0.01%
Iron (Fe): < 0.0005%
Heavy metals (Pb): < 0.001%
Selenium (Se): < 0.0005%
Arsenic (As): < 0.0001%
Lead (Pb): < 0.0002%
Mercury (Hg): < 0.0001%

Meets the requirements of EC Directive 96/77 (Food Additives), FCC V (2004), ANSI PH4.275, ISO 418 (Photo Standards). Certified Food Grade.

Hazards

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 7757-83-7

Einecs No: 231-821-4

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Code	Pack	Price
ECE9801-X	100g Foil Pouch	£5.87
ECE9801-2X	250g Foil Pouch	£7.33
SCSODSULPHITE-250G-FOIL	250g	£6.95
ECE9801-5X	500g Foil Pouch	£9.17
SCSODSULPHITE-2X250G-FOIL	2 x 250g	£12.95
SCSODSULPHITE-500G-FOIL	500g	£8.95
SCSODSULPHITE-2X500G-FOIL	2 x 500g	£16.95
GPC9801-3Y	3Kg	£26.99
SCSODSULPHITE-1KG	1Kg	£14.45
SCSODSULPHITE-2X1KG	2 x 1Kg	£26.95
GPC9801-25Y	25Kg	£150.41
SCSODSULPHITE-6X1KG	6 x 1Kg	£74.95
SCSODSULPHITE-2.5KG	2.5Kg	£23.69
SCSODSULPHITE-2X2.5KG	2 x 2.5Kg	£44.95
SCSODSULPHITE-5KG	5Kg	£36.89
SCSODSULPHITE-2X5KG	2 x 5Kg	£52.95
SCSODSULPHITE-25KG	25Kg	£150.41

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