Please Note: We are not able to ship this product to Northern Ireland.

Sodium Dithionite ACS (Sodium Hydrosulphite)

Price: £16.95
Stock Availability:

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Stock Availability
On Shelf - Approx. UK delivery date: Wednesday the 17th September 2025*
In bulk stock - ships within 10 - 12 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
  • Minimum Assay: >85%
  • Molecular Formula: Na2S2O4
  • Molecular Weight: 174.11
  • Melting Point: 52° dec
  • Chloride (Cl): <0.05%
  • Iron (Fe): <0.005%

Hazard Phrases: Self-heating: may catch fire. Harmful if swallowed. Contact with acids liberates toxic gas.

Prec Phrases: Keep cool. Protect from sunlight.

Flammable CLP Image Harmful CLP Image

Cas No: 7775-14-6
Einecs No: 231-890-0
UN1384
FP: 101°C

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Source Chemicals Ltd