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L-Cysteine Hydrochloride Monohydrate 99.0-100.5%

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Price: £19.95

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Stock Availability

On Shelf - Approx. UK delivery date: Friday the 29th August 2025*

In bulk stock - ships within 10 - 15 Working Days (Excluding weekends and public holidays)

4 to 6 weeks approx. (Not guaranteed)

UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland.

We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.

AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed

Applications

Organic Synthesis
Wave Applications (Hair)
Breaking up Disulphide bonds in hairs keratin
Precursor in food, pharmaceutical and personal car industries

General

What is L-Cysteine Hydrochloride? It is a soluble salt of the amino acid L-cysteine, commonly used in various applications, including food, medicine, and biochemical research. It's a form of cysteine that readily dissolves in water, making it useful in liquid formulations and solutions.

Consistent Quality: We provide only high-quality L-Cysteine Hydrochloride Monohydrate, ensuring reliable and consistent performance for all applications.

Shipped from Manchester, UK Facility: Sourced and packaged in non-toxic, chemical-resistant containers to ensure safe handling and preserve product quality during transport.

Frequent Uses

Chemical Reactions
It's a reducing agent and a nucleophile, meaning it can participate in various chemical reactions, particularly those involving sulphur-containing compounds.

Biochemical Reasearch
A crucial component in cell culture, used in yeast dropout media and differential reinforced clostridial broth. It's also a precursor to glutathione, a vital antioxidant in cells.

Pharmaceutical
Utilised in drug delivery systems to enhance the solubility and bioavailability of certain medications. It also plays a role in supporting hepatic function and detoxification processes.

Food Industry
Used as a dough conditioner in baking, improving dough machinability and the final product's texture and shelf life.

Hair Products
A reducing agent used in hair perms to break down disulfide bonds in keratin, the protein that makes up hair, allowing the hair to be reshaped. It's an amino acid, and when used in perms, it helps to achieve the desired curl or wave pattern.

Specification

Minimum Assay: 99.0-100.5%
Molecular Formula: C3H7NO2S•HCl•H2O
Molecular Weight: 175.64 (157.62anhy)
Melting Point: 175 deg C
Specific Rotation [0]D20: +5.5 to +7.0
Sensitivity: Air Sensitive
pH: 1.5 - 2.0
State of Solution: >98%
Chloride (cl): 19.89-20.29%
Sulphate (SO4): <0.020%
Ammonium (NH4): <0.02%
Heavy Metals (as Pb): <10ppm
Loss on drying: 8.5 - 12.0%
Iron Content: <10ppm
Residue on Ignition: <0.10%
Other Amino Acids: Chromatographically undetected

Hazards

Hazard Phrases: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Prec Phrases: Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. Store in a well-ventilated place. Keep container tightly closed.

Harmful CLP Image

Cas No: 7048-04-6

Einecs No: 200-157-7

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Code	Pack	Price
ECE4448-X	100g Foil Pouch	£19.95
ECE4448-2X	250g Foil Pouch	£34.95
ECE4448-5X	500g Foil Pouch	£56.95
GPC4448-Y	1Kg	£85.95

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