Molekula
Semicarbazide hydrochloride
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
Semicarbazide hydrochloride is an organic compound primarily used as a reagent in analytical chemistry for identifying carbonyl compounds, such as aldehydes and ketones, through the formation of semicarbazones. It is also employed in biochemical research, pharmaceutical synthesis, and as a precursor in the production of other chemicals. This white crystalline solid has a CAS number of 563-41-7, with the molecular formula NH2CONHNH2 · HCl and a molecular weight of 111.53 g/mol. It is stored at ambient conditions but requires careful handling due to its hazardous nature, indicated by the signal word "Danger." Molekula supplies Semicarbazide hydrochloride 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.
-
100 g — £29.50 per pack ex VAT · £35.40 inc. VAT
-
500 g — £87.10 per pack ex VAT · £104.52 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 crystal |
| Melting Point | 173 - 177°C |
| Identification | Conforms to reference |
| Loss on Drying | ≤ 0.5% |
| Assay | ≥ 99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 (6.1) |
| Packing Group | II |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White crystals |
| Melting Point | 175-185 °C (decomposes) |
| Vapour Pressure | 0.13 mmHg at 25 °C (Estimated) |
| pKa | pKa = 10.8 |
| log P (octanol/water) | -2.75 |
Source: PubChem CID 11236 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 12845490 |
| CAS Number | 563-41-7 |
| IUPAC Name | aminourea;hydrochloride |
| EC Number | 209-247-0 |
| Molecular Formula | NH2CONHNH2 · HCl |
| Molecular Weight | 111.53 |
| Exact Mass | 111.0199 |
| SMILES | C(=O)(N)NN.Cl |
| InChIKey | XHQYBDSXTDXSHY-UHFFFAOYSA-N |
| InChI | InChI=1S/CH5N3O.ClH/c2-1(5)4-3;/h3H2,(H3,2,4,5);1H |
| PubChem CID | 11236 |
| UN Number | UN2923 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2928005000 |
| Tariff Code | 2928009090 |
Safety & GHS
-
Corrosive
GHS05
-
Toxic
GHS06
-
Serious Health Hazard
GHS08
Hazard statements
- H301 Toxic if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H361 Suspected of damaging fertility or the unborn child
- H373 May cause damage to organs through prolonged or repeated exposure
- H402 Harmful to aquatic life
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- 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
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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, English (US), French, German, Italian, Portuguese, 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
- Amidourea hydrochloride
- Aminourea hydrochloride
- Carbamyl hydrazine.HCl
- Carbamylhydrazine hydrochloride
- CH6ClN3O
- hydrazinecarboxamide hydrochloride
- Hydrazinecarboxamide, monohydrochloride
- Semicarbazide chloride
- Semicarbazide HCl
- Semicarbazide monohydrochloride
Frequently asked questions
What is semicarbazide hydrochloride commonly used for?
It is primarily used in analytical chemistry for the identification of carbonyl compounds (e.g., aldehydes and ketones) via semicarbazone formation, as well as in pharmaceutical synthesis and as a reagent in biochemical assays.
What is the molecular formula and molecular weight of semicarbazide hydrochloride?
The molecular formula is **NH₂CONHNH₂ · HCl**, and the molecular weight is **111.53 g/mol**.
How should semicarbazide hydrochloride be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture and incompatible substances like strong oxidizers.
What grades or purities of semicarbazide hydrochloride does Molekula offer?
Molekula supplies **analytical grade** and **synthetic grade** semicarbazide hydrochloride, with purity levels specified on the product datasheet.
Can Molekula supply semicarbazide hydrochloride in bulk quantities?
Yes, bulk quantities are available upon request—please contact our sales team for minimum order quantities and pricing.
What documentation comes with an order of semicarbazide hydrochloride?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and a **technical datasheet** with handling and storage instructions.
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.