Thiourea Dioxide CAS 1758-73-2

Dyeing and Pigments 2025-03-02

Thiourea Dioxide

Chemical Name: Formamidinesulfinic acid
CAS No.: 1758-73-2
Assay: ≥70.0%
Appearance: White crystalline powder

Specifications:

Parameter Specification
Purity ≥70%
Thiourea residual ≤0.10%
SO₄²⁻ ≤0.17%
Moisture ≤0.05%
Iron content ≤0.001%
Thermal stability Stable at 80°C for 2 hours

Primary Applications:

  • Reduction of ketones to secondary alcohols
  • Separation of rare metals (rhodium & iridium)
  • Photographic emulsion sensitizer
  • PVC stabilizer

Packaging & Shipping:

25 kg/bag or drum, or as per buyer’s specifications

Storage & Handling:

  • Store in cool, ventilated conditions
  • Protect from: Sunlight, heat, and moisture
  • Follow standard chemical storage/transport regulations

Disclaimer:

The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.