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pH & Alkalinity

Sodium Bisulphate — Dry Acid / pH Minus

Granular dry acid used to lower pH and total alkalinity, supplied in 25 kg and 50 kg packs.

NaHSO₄

  • CAS7681-38-1
  • HS code2833.19
  • UNUN 2837

About Sodium Bisulphate

Sodium bisulphate is a granular acid used in place of liquid mineral acid where a dry, non-fuming product is preferred. It is used to lower pH and total alkalinity in pool water and in a range of industrial cleaning applications. Technical and food grades available.

Appearance
White granule or powder, odourless

Safety data sheets and batch documentation are issued against the material supplied rather than hosted as generic PDFs. Tell us the grade and we will send the current documents.

Sodium Bisulphate — White granule or powder, odourless, supplied by RNJ Trading in 25 kg bag

Illustrative artwork. Packaging and labelling vary by grade and private-label requirement.

Technical data

Sodium Bisulphate specifications

Typical values for this grade, published so you can identify the product. They are not a specification guarantee — the batch documentation issued with your consignment is the document that governs what you receive.

Technical specification of Sodium Bisulphate — Dry Acid / pH Minus, CAS 7681-38-1.
ParameterValue
NaHSO₄ content93% min
pH (1% solution)1.0 – 1.6
Moisture0.5% max
Free acid (as H₂SO₄)≤ 2%
Bulk density1.1 – 1.3 g/cm³

Grades available

  • Technical 93% min
  • Food grade

Packaging

  • 25 kg bag
  • 25 kg HDPE drum
  • 50 kg bag

Where Sodium Bisulphate is used

  • Lowering swimming pool pH and total alkalinity
  • Metal cleaning and descaling
  • Toilet and hard-surface acid cleaners
  • Textile dyeing pH control

Handling & storage

Corrosive to skin and eyes. Wear the protective equipment specified in the safety data sheet. Always add product to water, never water to product. Store dry and away from chlorine products, cyanides and sulphides.

This summary does not replace the safety data sheet. Read the current SDS in full, use the personal protective equipment it specifies, and comply with UAE Civil Defence and local authority requirements for chemical storage.

Frequently asked

Questions we get about Sodium Bisulphate

What grades and pack sizes are available?
SDIC granules and tablets are supplied in 5 kg and 10 kg pails, 25 kg and 50 kg HDPE drums and 1,000 kg jumbo bags. TCCA 90 comes in pails and 25 kg and 50 kg drums. Calcium hypochlorite comes in 45 kg and 50 kg drums and in pails. The pH range — sodium bisulphate, sodium bicarbonate and soda ash — comes in 25 kg and 50 kg bags and jumbo bags. Sodium hypochlorite is supplied in cans, drums, IBCs and bulk.
Are these products classified as dangerous goods?
Several of them are. SDIC is UN 2465, TCCA 90 is UN 2468 and calcium hypochlorite is UN 1748, all oxidising solids; sodium hypochlorite is UN 1791 and sodium bisulphate is UN 2837. That classification governs how they are packed, labelled, loaded and transported, and it applies to you as well as to us once the goods are in your care.

Also in the range

Other products in the range

Sanitiser, pH correction and clarity products are usually bought together. These lines can go on the same enquiry as Sodium Bisulphate.

  • Sodium Bicarbonate packaging

    Sodium Bicarbonate

    NaHCO₃

    Technical, food and pharmacopoeial grades, supplied in 25 kg and 50 kg bags and 1,000 kg jumbo bags.

    • NaHCO₃ assay99.0% – 100.5%
    • pH (1% solution)8.2 – 8.6
  • Soda Ash packaging

    Soda Ash

    Na₂CO₃

    Dense and light sodium carbonate at 99.2% min, in 25 kg and 50 kg bags and jumbo bags.

    • Na₂CO₃ assay99.2% min
    • pH (1% solution)11.3 – 11.7
  • SDIC Granular packagingBest seller

    SDIC Granular

    C₃Cl₂N₃NaO₃

    Stabilised chlorine granule in 56% and 60% available-chlorine grades, supplied in pails, drums and jumbo bags.

    • Available chlorine56% min / 60% min
    • Moisture3.0% max

Ready when you are

Tell us what you needand we’ll price it.

SDIC granules and tablets, TCCA 90, calcium hypochlorite, sodium hypochlorite, pH correctors, clarifier and stabiliser — in pails, drums, bags and bulk. Send the products, grades and quantities and we will come back with a written quotation.

Written quotation, no obligationPriced to your grade and pack sizeUAE delivery and GCC export quoted

Prefer email? sales@rnjtrd.com · Sat – Thu, 8:00 AM – 6:00 PM (GST)