Molekula
DL-Lysine
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
DL-Lysine is a synthetic amino acid used in nutritional supplements, animal feed, and pharmaceutical formulations. It is a racemic mixture of L- and D-isomers, essential for protein synthesis and metabolic processes. Available in powder form with a molecular weight of 146.19 g/mol, CAS number 70-54-2, and molecular formula C6H14N2O2. Stable at ambient storage conditions.
Molekula supplies DL-Lysine at 98 - 101.5% purity in 25 g and 100 g packs, from £35.40 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 8 languages. Larger quantities, up to multi-tonne, are quoted on request.
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.
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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25 g — £29.50 per pack ex VAT · £35.40 inc. VAT
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100 g — £93.20 per pack ex VAT · £111.84 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 off-white crystalline powder |
| Specific rotation | -0.5 to +0.5 |
| Heavy metals | <0.002% |
| Loss on Drying | 10.5 - 12% |
| Assay | 98 - 101.5% |
| Sulphates (SO4)(2-) | <0.020% |
| Chlorine (Cl) | <0.015% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 0 °C |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 57277571 |
| CAS Number | 70-54-2 |
| IUPAC Name | 2,6-diaminohexanoic acid |
| EC Number | 200-740-6 |
| Molecular Formula | C6H14N2O2 |
| Molecular Weight | 146.19 |
| Exact Mass | 146.1055 |
| SMILES | C(CCN)CC(C(=O)O)N |
| InChIKey | KDXKERNSBIXSRK-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H14N2O2/c7-4-2-1-3-5(8)6(9)10/h5H,1-4,7-8H2,(H,9,10) |
| PubChem CID | 866 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2845.90.0100 |
| Tariff Code | 2845909090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P270 Do not eat, drink or smoke when using this product
- P271 Use only outdoors or in a well-ventilated area
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+P352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- (+-)-2,6-Diaminohexanoic acid
- (+-)-Lysine
- (R)-2,6-Diaminocaproic acid
- (RS)-Lysine
- D-Lysinebase
- DL-alpha,epsilon-Diaminocaproic acid
- H-DL-Lys-OH
- L-Lysine base
- lysin
- Lysine, DL-
Frequently asked questions
What is DL-Lysine used for?
DL-Lysine 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 DL-Lysine?
The formula is C6H14N2O2 with a molecular weight of 146.19 g/mol.
How should DL-Lysine be stored?
DL-Lysine should be stored at ambient temperature, protected from moisture and light.
What grade of DL-Lysine does Molekula supply?
Molekula supplies DL-Lysine as a white to off-white crystalline powder with an assay of 98 - 101.5%, specific rotation of -0.5 to +0.5, loss on drying of 10.5 - 12%, heavy metals below 0.002%, sulphates below 0.020% and chlorine below 0.015%.
Can Molekula supply DL-Lysine in bulk?
Yes, Molekula can supply DL-Lysine in bulk quantities upon request.
What documentation comes with a DL-Lysine order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS).
Where can I buy DL-Lysine?
Directly from Molekula, which lists DL-Lysine in 25 g and 100 g packs from £35.40 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.