Molekula
1-Methylguanidine 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
1-Methylguanidine hydrochloride is an organic compound with a guanidine structure, commonly used as a precursor in pharmaceutical synthesis and as a reagent in biochemical research. It plays a key role in the preparation of other guanidine derivatives and is utilized in studies involving enzyme inhibition and metabolic pathways. This chemical has a CAS number of 21770-81-0, with the molecular formula CH3NHC(=NH)NH2·HCl and a molecular weight of 109.56. It is stored at ambient conditions and carries a signal word of "Warning" for safety classification. Molekula supplies 1-Methylguanidine 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.
-
5 g — £54.20 per pack ex VAT · £65.04 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 | Beige to off-white to white crystalline powder |
| Assay | ≥ 95.0% |
| Water (KF) | ≤2.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90025903 |
| CAS Number | 21770-81-0 |
| IUPAC Name | 2-methylguanidine;hydrochloride |
| EC Number | 245-147-3 |
| Molecular Formula | CH3NHC(=NH)NH2·HCl |
| Molecular Weight | 109.56 |
| Exact Mass | 109.0407 |
| SMILES | CN=C(N)N.Cl |
| InChIKey | VJQCNCOGZPSOQZ-UHFFFAOYSA-N |
| InChI | InChI=1S/C2H7N3.ClH/c1-5-2(3)4;/h1H3,(H4,3,4,5);1H |
| PubChem CID | 146724 |
| REACH Code | Y110 |
| HTS Code | 29252990 |
| Tariff Code | 2925290090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, 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
- 1-Methylguanidine HCl
- 1-Methylguanidine hydrochloride(1:x)
- 1-Methylguanidine xhydrochloride
- 2-methylguanidine;hydrochloride
- Guanidine, methyl-, hydrochloride
- Guanidine, methyl-, monohydrochloride
- Methylguanidine HCl
- Methylguanidine hydrochloride
- Methylguanidine monohydrochloride
- N-Methylguanidine hydrochloride
Frequently asked questions
What is 1-Methylguanidine hydrochloride commonly used for?
It is primarily used as a precursor in the synthesis of pharmaceuticals, agrochemicals, and as a building block for guanidine-based compounds.
What is the molecular formula and molecular weight of 1-Methylguanidine hydrochloride?
The molecular formula is **CH₃NHC(=NH)NH₂·HCl**, and the molecular weight is **109.56 g/mol**.
How should 1-Methylguanidine hydrochloride be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances.
What grade or purity is available for this product?
Molekula supplies this product in **high-purity (98%+)** analytical or synthesis grade.
Can Molekula supply 1-Methylguanidine hydrochloride in bulk quantities?
Yes, we offer bulk quantities upon request—contact us for pricing and availability.
What documentation comes with an order of 1-Methylguanidine hydrochloride?
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.