Molekula
Thiosemicarbazide
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
Thiosemicarbazide is an organic compound with the formula NH2CSNHNH2, primarily used as a reagent in organic synthesis, pharmaceutical intermediates, and analytical chemistry for detecting metal ions. It serves as a building block in the production of heterocyclic compounds and is also employed in corrosion inhibition and agricultural chemistry. Catalogue details: CAS 79-19-6, molecular weight 91.14 g/mol, stored at ambient conditions. Classified with a **Danger** signal word due to its toxicity and environmental hazards. Molekula supplies Thiosemicarbazide 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Odour | Odorless |
| Melting Point | 183 °C |
| Water Solubility | Very soluble in water |
| Solubility (other solvents) | Soluble in water or alcohol |
| Vapour Pressure | 0.33 mmHg |
Source: PubChem CID 2723789 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 20757243 |
| CAS Number | 79-19-6 |
| IUPAC Name | aminothiourea |
| EC Number | 201-184-7 |
| Molecular Formula | NH2CSNHNH2 |
| Molecular Weight | 91.14 |
| Exact Mass | 91.0204 |
| SMILES | C(=S)(N)NN |
| InChIKey | BRWIZMBXBAOCCF-UHFFFAOYSA-N |
| InChI | InChI=1S/CH5N3S/c2-1(5)4-3/h3H2,(H3,2,4,5) |
| PubChem CID | 2723789 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29309092 |
| Tariff Code | 2930909599 |
Safety & GHS
-
Toxic
GHS06
Hazard statements
- H300 Fatal if swallowed
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P264 Wash thoroughly after handling
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
Documents
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
- 1-Aminothiourea
- 2-Thiosemicarbazide
- 3-Thiosemicarbazide
- aminothiourea
- Hydrazinecarbothioamide
- Isothiosemicarbazide
- N-Aminothiourea
- Semicarbazide, thio-
- Thiocarbamoylhydrazine
- Thiocarbamylhydrazine
Frequently asked questions
What is thiosemicarbazide commonly used for?
Thiosemicarbazide is primarily used as a reagent in organic synthesis, including the preparation of thiosemicarbazones (used in analytical chemistry) and pharmaceutical intermediates.
What is the molecular formula and molecular weight of thiosemicarbazide?
The molecular formula is **NH₂CSNHNH₂**, and the molecular weight is **91.14 g/mol**.
How should thiosemicarbazide be stored?
Store thiosemicarbazide at **ambient temperature** in a tightly sealed container, away from moisture and incompatible substances.
What purity grades of thiosemicarbazide does Molekula supply?
Molekula supplies thiosemicarbazide in **analytical and synthetic grades**, with purity typically ≥98% (exact specifications available upon request).
Can Molekula supply thiosemicarbazide in bulk quantities?
Yes, Molekula can supply thiosemicarbazide in bulk, with quantities tailored to your requirements—contact us for pricing and lead times.
What documentation is provided with a thiosemicarbazide 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.