Molekula
Thiourea
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Thiourea is a chemical compound used in photography, rubber manufacturing, and as a reagent in organic synthesis. Its largest applications include making thiourea dioxide for wool and textile processing, leaching metal ores, producing diazo copy papers, and catalysing fumaric acid synthesis. It acts as a reducing agent and catalyst in various industrial processes. Available in powder form, it has a molecular weight of 76.12 g/mol, a CAS number of 62-56-6, and a molecular formula of CS(NH2)2. Store at ambient temperatures. Handle with care due to its warning signal word. Molekula supplies Thiourea from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 kg — £68.10 per pack ex VAT · £81.72 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Melting Point | 170 - 174°C |
| Ash | ≤0.1% |
| Identification | Conforms to reference |
| Loss on Drying | ≤0.4% |
| Assay | ≥ 99% |
| Water insoluble matter | ≤0.02% |
| Thiocyanate | ≤0.02% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White lustrous crystals |
| Odour | Odorless |
| Melting Point | 182 °C |
| Density | 1.405 g/cm³ at 25 °C |
| Water Solubility | 142 g/L at 25 °C |
| Solubility (other solvents) | Soluble in alcohol; sparingly soluble in ether |
| Vapour Pressure | 1.41 × 10⁻⁷ mmHg at 25 °C |
| log P (octanol/water) | -1.08 |
Source: PubChem CID 2723790 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 67805791 |
| CAS Number | 62-56-6 |
| IUPAC Name | thiourea |
| EC Number | 200-543-5 |
| Molecular Formula | CS(NH2)2 |
| Molecular Weight | 76.12 |
| Exact Mass | 76.0095 |
| SMILES | C(=S)(N)N |
| InChIKey | UMGDCJDMYOKAJW-UHFFFAOYSA-N |
| InChI | InChI=1S/CH4N2S/c2-1(3)4/h(H4,2,3,4) |
| PubChem CID | 2723790 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29309091 |
| Tariff Code | 2930909555 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H351 Suspected of causing cancer
- H361d Suspected of damaging fertility. Suspected of damaging the unborn child.
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P281 Use personal protective equipment as required
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2-Thiopseudourea
- 2-Thiourea
- Isothiourea
- Pseudothiourea
- Sulfourea
- Sulourea
- Thiocarbamide
- Thiocarbonic acid diamide
- Thiuronium
- Urea, thio-
Frequently asked questions
What is thiourea commonly used for?
Thiourea is primarily used as a reagent in chemical synthesis, a vulcanization accelerator for rubber, and in corrosion inhibition, as well as in analytical chemistry for metal ion detection.
What is the molecular formula and molecular weight of thiourea?
The molecular formula is **CS(NH₂)₂**, and the molecular weight is **76.12 g/mol**.
How should thiourea be stored?
Store thiourea in a tightly sealed container at **ambient temperature**, away from moisture and incompatible substances.
What grades of thiourea does Molekula supply?
Molekula supplies **technical-grade thiourea** for industrial and laboratory applications.
Can Molekula supply thiourea in bulk quantities?
Yes, Molekula can supply thiourea in bulk, with quantities tailored to your specific requirements.
What documentation comes with a thiourea order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.