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Amines, Amides and Aldehydes

Thiourea Dioxide 65%

Also known as: Formamidine sulfinic acid

Fine white powder on a glass watch glass
Representative appearance — not a photo of this lot
  • CAS1758-73-2
  • EC217-157-8
  • Physical formPowder
  • Purity65 %

Sulfur compound used as a strong reductive bleaching agent in the textile and paper industries.

Thiourea dioxide is a strong reducing agent obtained by the oxidation of thiourea. It is used for color stripping (bleaching/decolorization) in textile printing and dyeing processes, in pulp bleaching and in certain dyestuff production processes.

Used in: TextilePulp and Paper

Purity65

Transport

ADR class
Class 4.2 — Substances liable to spontaneous combustion
UN number
UN3341
Packing group
III

Hazard statements

  • H251Self-heating: may catch fire.
  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H373May cause damage to organs through prolonged or repeated exposure.

Precautionary statements

  • P235Keep cool.
  • P260Do not breathe dust/fume/gas/mist/vapours/spray.
  • P280Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P310IF SWALLOWED: Immediately call a POISON CENTER/doctor.
  • P302+P352IF ON SKIN: Wash with plenty of water.
  • P304+P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
  • P321Specific treatment (see the SDS).
  • P332+P313If skin irritation occurs: Get medical advice/attention.
  • P337+P313If eye irritation persists: Get medical advice/attention.
  • P410Protect from sunlight.
  • P420Store separately.
  • Safety data sheet (SDS)On request by email
  • Technical data sheet (TDS)On request by email
  • Certificate of analysis (CoA)On request by email

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Applications

Textile bleaching and color stripping · Pulp bleaching · Dyestuff production processes · Reducing agent applications

Storage

Store in a dry, cool place · Keep away from oxidizers and heat sources · Keep in a well-ventilated area · Do not store in large heaps due to the risk of self-heating

Packaging

Packed to your specification. Powders, crystals, flakes and granules are supplied in:

  • Stack of plain white woven sacks on a wooden pallet
    Bags
  • Filled white bulk bag on a wooden pallet
    Big bags

Tell us the packaging and quantity you need in your quote. Images show the packaging type, not this product.

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Thiourea Dioxide 65%

CAS 1758-73-2 · Powder

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