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Bottom price Uv 2908 - Pyrogallol CAS 87-66-1 with Purity 99% for Dye Hair – Unilong


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Bottom price Uv 2908 - Pyrogallol CAS 87-66-1 with Purity 99% for Dye Hair – Unilong Detail:

Pyrogallol CAS 87-66-1 is white odorless crystal. It tastes bitter. Exposure to air and light turns gray. Heat slowly and begin to sublimate. Melting point 133-134 ℃, boiling point 309 ℃, relative density 1.453, refractive index 1.561. Soluble in water, ethanol, ether, slightly soluble in benzene, chloroform, carbon disulfide. When exposed to air, the color of the aqueous solution darkens, while the color of its caustic solution changes faster.

ITEM

STANDARD

RESULT

Appearance

White Crystalline Powder

Conform

Loss on Drying

0.5% Max

0.15%

Melting Point

131-135℃

132.8-134.4℃

Heavy Metal(PB)

5.0ppm Max

Conform

Chlorides

0.002% Max

Conform

Sulphate

0.005% Max

Conform

Purity

99.0% Min

99.55%

 

  1. Used for preparing metal colloidal solution, coloring leather, dyeing and etching fur, hair, etc; It can also be used as a developer of film, an infrared photographic thermosensitive, a polymerization inhibitor of styrene and polystyrene, an intermediate of medicine and dyes, and an analytical reagent.
  2. It is mainly used in the production of developer, polymerization inhibitor and infrared photographic thermosensitive. It is also used as an intermediate of medicine and dyes
  3. Used as analytical reagent, reductant and developer
  4. Used for analysis and determination of oxygen, antimony, bismuth, cerium, iron, molybdenum, tantalum and niobium; Used to absorb oxygen in gas analysis; Used for color reaction of nitrite, molybdenum, niobium, titanium, cerium, bismuth, copper, vanadium, iron, iodate, etc
  5. Metal complexing agent.Gravimetric determination of bismuth and antimony. Reductants of gold, silver, mercury salts, phosphomolybdic acid and phosphotungstic acid, which are used to absorb oxygen in gas analysis.

20kgs/bag, 25kgs/drum, 200kg/drum or requirementof clients. Keep it away from light at a temperature below 25℃.


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Bottom price Uv 2908 - Pyrogallol CAS 87-66-1 with Purity 99% for Dye Hair – Unilong detail pictures

Bottom price Uv 2908 - Pyrogallol CAS 87-66-1 with Purity 99% for Dye Hair – Unilong detail pictures

Bottom price Uv 2908 - Pyrogallol CAS 87-66-1 with Purity 99% for Dye Hair – Unilong detail pictures

Bottom price Uv 2908 - Pyrogallol CAS 87-66-1 with Purity 99% for Dye Hair – Unilong detail pictures


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We have a professional, efficiency team to provide quality service for our customer. We always follow the tenet of customer-oriented, details-focused for Bottom price Uv 2908 - Pyrogallol CAS 87-66-1 with Purity 99% for Dye Hair – Unilong , The product will supply to all over the world, such as: Afghanistan, Lithuania, Mauritius, The development of our company not only needs the guarantee of quality, reasonable price and perfect service, but also relies on our customer's trust and support! In the future, we will continue with the most professional and high quality service to provide the most competitive price, Together with our customers and achieve win-win! Welcome to inquiry and consult!
  • This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
    5 Stars By Josephine from Swedish - 2017.04.08 14:55
    In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
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