Molekula
1-Allyl-2-thiourea (1-(2-Propenyl)thiourea)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
1-Allyl-2-thiourea is a sulfur-containing organic compound used as a chemical intermediate in the synthesis of pharmaceuticals and agrochemicals. It acts as a chelating agent and inhibitor in various reactions. Available in powder form with a molecular weight of 116.19 g/mol, CAS number 109-57-9, and stored at ambient temperature. Hazard classification includes signal word Danger.
Molekula supplies 1-Allyl-2-thiourea (1-(2-Propenyl)thiourea) at ≥98% purity in 25 g and 100 g packs, from $50.10 excl. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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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25 g — $50.10 per pack
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100 g — $118.00 per pack
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 or colourless crystal |
| Melting Point | 70 - 73°C |
| Assay | ≥98% |
| Residue on Ignition | ≤1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 16208131 |
| CAS Number | 109-57-9 |
| IUPAC Name | prop-2-enylthiourea |
| EC Number | 203-683-5 |
| Molecular Formula | CH2=CHCH2NHCSNH2 |
| Molecular Weight | 116.19 |
| Exact Mass | 116.0408 |
| SMILES | C=CCNC(=S)N |
| InChIKey | HTKFORQRBXIQHD-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H8N2S/c1-2-3-6-4(5)7/h2H,1,3H2,(H3,5,6,7) |
| PubChem CID | 1549517 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29309092 |
| Tariff Code | 2930909899 |
Safety & GHS
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Toxic
GHS06
Hazard statements
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is 1-Allyl-2-thiourea used for?
It is primarily used as a nitrification inhibitor, for example in biochemical oxygen demand (BOD) testing, where it suppresses ammonia oxidation by chelating the copper in ammonia monooxygenase. It is also used as an intermediate in the synthesis of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of 1-Allyl-2-thiourea?
The formula is CH2=CHCH2NHCSNH2 with a molecular weight of 116.19 g/mol.
How should 1-Allyl-2-thiourea be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for 1-Allyl-2-thiourea?
It is supplied with an assay of ≥98%; custom purity options may be available upon request.
Can Molekula supply 1-Allyl-2-thiourea in bulk?
Yes, Molekula can supply 1-Allyl-2-thiourea in bulk quantities; please contact sales for pricing and availability.
What documentation comes with an order of 1-Allyl-2-thiourea?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Where can I buy 1-Allyl-2-thiourea (1-(2-Propenyl)thiourea)?
Directly from Molekula, which lists 1-Allyl-2-thiourea (1-(2-Propenyl)thiourea) in 25 g and 100 g packs from $50.10 excl. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is 1-Allyl-2-thiourea (1-(2-Propenyl)thiourea) dangerous goods for shipping?
Yes. 1-Allyl-2-thiourea (1-(2-Propenyl)thiourea) ships as dangerous goods: UN2811, class 6.1, packing group III.
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.