Molekula
L-Lysine monohydrate
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
L-Lysine monohydrate is an essential amino acid used in nutritional supplements, animal feed, and pharmaceutical formulations. It supports protein synthesis and metabolic functions. Available with CAS number 39665-12-8, molecular formula C6H14N2O2 · H2O, and molecular weight 164.20 g/mol. Stored at ambient temperature with no signal word. Molekula supplies L-Lysine monohydrate 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.
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100 g — £103.30 per pack ex VAT · £123.96 inc. VAT
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500 g — £180.40 per pack ex VAT · £216.48 inc. VAT
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1 kg — £280.50 per pack ex VAT · £336.60 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 to yellow crystalline powder |
| Specific rotation | +24 to +27 |
| Heavy metals | <10ppm |
| Identification | Conforms to reference |
| Loss on Drying | <7.0% |
| Assay | 98.5 - 101.5% |
| Residue on Ignition | <0.5% |
| Other amino acids | Meets the requirements |
| Iron (Fe) | <10ppm |
| Arsenic (As) | <1ppm |
| Ammonium (NH4+) | <0.10% |
| Chlorine (Cl) | <0.10% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 54686501 |
| CAS Number | 39665-12-8 |
| IUPAC Name | (2S)-2,6-diaminohexanoic acid;hydrate |
| Molecular Formula | C6H14N2O2 · H2O |
| Molecular Weight | 164.20 |
| Exact Mass | 164.1161 |
| SMILES | C(CCN)C[C@@H](C(=O)O)N.O |
| InChIKey | HZRUTVAFDWTKGD-JEDNCBNOSA-N |
| InChI | InChI=1S/C6H14N2O2.H2O/c7-4-2-1-3-5(8)6(9)10;/h5H,1-4,7-8H2,(H,9,10);1H2/t5-;/m0./s1 |
| PubChem CID | 16211825 |
| REACH Code | Y113 |
| HTS Code | 99020403 |
| Tariff Code | 2922410000 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, 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
- (2S)-2,6-diaminohexanoic acid;hydrate
- L-Lysine hydrate
- L-Lysine monohydrate, pur
- L-Lysine--water (1/1)
- l-Lysine, hydrate (1:1)
- L-Lysine, hydrate (1:x)
- Lysine monohydrate
- LYSINE MONOHYDRATE (II)
- lysine, hydrate
- LYSINE, L-, MONOHYDRATE
Frequently asked questions
What is L-Lysine monohydrate used for?
It is primarily used as a nutritional supplement and feed additive to support protein synthesis and growth in animals and humans.
What is the chemical formula and molecular weight of L-Lysine monohydrate?
The formula is C6H14N2O2 · H2O with a molecular weight of 164.20 g/mol.
How should L-Lysine monohydrate be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of L-Lysine monohydrate does Molekula supply?
Molekula supplies L-Lysine monohydrate in pharmaceutical and technical grades.
Can Molekula supply L-Lysine monohydrate in bulk?
Yes, Molekula can supply L-Lysine monohydrate in bulk quantities upon request.
What documentation comes with an order of L-Lysine monohydrate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS).
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.