Thiourea
| Formula: | CH₄N₂S |
| CAS Number: | 62-56-6 |
| EC Number (EINECS): | 203-750-5 |
| HS Code: | 29309090 |
| UN Number: | 1384 |
| IUPAC Name: | Thiourea |
| Also Known As: | Thiocarbamide |
| Molecular Weight, g/mol: | 76.12 |
Typical Specifications
| Appearance: | White crystalline powder |
| Odor: | Slight sulfur-like |
| Melting Point, °C: | 176–179 |
| Boiling Point, °C: | Decomposes before boiling |
| Density, g/cm³ (at 20°C): | 1.41 |
| Flash Point, °C: | Non-flammable |
| Solubility: | Soluble in water, ethanol; slightly soluble in ether |
| pH (1% solution): | ~5.5–6.5 |
| Purity, %: | ≥99.0 |
| Grades Available: | Technical, Laboratory, Industrial |
| Packaging: | 25kg bags, 50kg bags, 500kg jumbo bags |
Applications / Uses
Primary Applications
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Used as a reducing agent in chemical synthesis
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Intermediate in pharmaceuticals and rubber vulcanization
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Used in photography and textile industry
Secondary Applications
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Fertilizer additive and corrosion inhibitor
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Used in electroplating and leather processing
End Industries Served: Chemicals, Pharmaceuticals, Textiles, Rubber, Photography, Electroplating
Safety & Handling Information
Hazard Class (GHS): Harmful if swallowed; may cause skin and eye irritation
Hazard Statements (H-Codes):
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H302: Harmful if swallowed
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H319: Causes serious eye irritation
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H335: May cause respiratory irritation
Precautionary Statements (P-Codes):
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P261: Avoid breathing dust
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P280: Wear protective gloves/eye protection
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present
Storage Conditions
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Store in a cool, dry, well-ventilated place
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Keep container tightly closed
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Protect from moisture and heat
Transport Information
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ADR/RID: Class 6.1, UN1384
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IMDG: Class 6.1, UN1384
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IATA: Class 6.1, UN1384