Molekula
1-Methylguanidine hydrochloride
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-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
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.
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5 g — £54.20 per pack ex VAT · £65.04 inc. VAT
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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.
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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
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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.
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
- 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.