Photographers' Formulary 100g Sodium Phosphate, Tribasic

SKU: PYSPHTR100G MFR: 10-1310 100G
$9.95
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Key Features

  • Achieve archival quality in your prints with this 100g pack of Sodium Phosphate.
  • Enjoy consistent results in your black and white development with our reliable formula.
  • This easy dilution chemical ensures fine grain in your photographs, every time.
  • Use as a water softener to improve your darkroom chemistry for better contrast.
  • Clean and detoxify your trays with this effective solution, extending their life.
  • Our long shelf-life ensures this black and white chemical is ready when you need it.
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Special Order?Estimated to Ship: 08/18/2025

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Photographers' Formulary Sodium Phosphate Specifications

  • Synonyms

    Normal sodium orthophosphate
    Tribasic
    TSP
    Trisodium orthophospate
    Trisodium Phosphate, 12-Hydrate
    Phosphoric Acid, Trisodium Salt, Dodecahydrate

  • Appearance

    Colorless, needle crystals
    Smaller than the dibasic crystals
    Odorless

  • Uses

    An alkali used as a substitute for caustic and carbonate alkalies in negative development
    Used as a water softener
    Good for cleaning and detoxifying vessels and trays that contained fixer.

  • Chemical Formula

    Na2PO2 . 12H2O

  • Weight

    100g (3.53oz)

About Photographers' Formulary Sodium Phosphate

Let Adorama introduce you to the versatile 100g Sodium Phosphate, Tribasic, a powerful alkali that's an excellent substitute for caustic and carbonate alkalies in negative development. This product is not just a chemical compound; it's a multi-purpose solution that can be used as a water softener, making it an essential tool in maintaining the longevity of your appliances.

Our Sodium Phosphate, Tribasic, is also an effective cleaner, perfect for detoxifying and cleaning vessels and trays that have been in contact with fixer. It's a key ingredient in many of the top-performing cleaners you see on TV, often referred to as T.S.P. This compound, combined with carrying agents and coloring, creates a potent cleaning solution that can tackle spills in your work area and scour dyepots with ease.

While Sodium Phosphate, Tribasic is generally safe for use, it's important to note that it can cause irreversible damage if ingested. Therefore, it's recommended to dispose of it safely by pouring it down the toilet.

If you're looking for alternatives, consider baking soda, tartaric acid, or water softeners. You can easily source Sodium Phosphate, Tribasic from your local grocery or hardware store.

In summary, the 100g Sodium Phosphate, Tribasic is a versatile compound that serves multiple purposes, from negative development in photography to cleaning and water softening. It's a must-have for anyone seeking a reliable, multi-purpose solution.

Photographers' Formulary Sodium Phosphate Features

  • Versatile Sodium Phosphate, Tribasic, serving multiple purposes in homes and workplaces
  • Effective substitute for caustic and carbonate alkalies in negative development
  • Acts as a reliable water softener, enhancing the lifespan of appliances
  • Excellent cleaning agent for detoxifying vessels and trays used with fixer
  • Main ingredient in many top-performing TV cleaners, known as T.S.P
  • Safe for general use but should be disposed of properly to avoid ingestion risks

Key Features

  • Achieve archival quality in your prints with this 100g pack of Sodium Phosphate.
  • Enjoy consistent results in your black and white development with our reliable formula.
  • This easy dilution chemical ensures fine grain in your photographs, every time.
  • Use as a water softener to improve your darkroom chemistry for better contrast.
  • Clean and detoxify your trays with this effective solution, extending their life.
  • Our long shelf-life ensures this black and white chemical is ready when you need it.