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Hot selling high quality L-Cysteine hydrochloride monohydrate 7048-04-6 with reasonable price and fast delivery !!
1-9 Kilogram
$21.50
≥ 10 Kilogram
$1.00
- Item No. TOPMOQ 1 Kilogram
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If over 500pcs, mass production will start until pre-production sample has been approved.
Est. 7 days production
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Product name:L-Cysteine hydrochloride monohydrate
CAS:7048-4-6
Molecular formula:C3H10ClNO3S
Molecular weight:175.63
EINECS:200-157-7
White crystalline powder, l-cysteine ethyl ester hydrochloride is breakdown under 240 °C, soluble in water, alchol and acetic acid, ammonia water, insoluble in ether, benzene, acetone, ethyl acetate, carbon disulfide and carbon tetrachloride. Its aqueous solution or micro alkaline solution can be air oxidation into cystine, acid solution is relatively stable.
Item | Specifications | Test Results |
Assay,% min | 99.0~100.5 | 99.5 |
pH value | 1.5~2.0 | 1.72 |
Specific optical rotation[a]D20° | +5.5o~ +7.0o | +6.0o |
State of solution (Transmittance) | ≥ 98.0% | 99.8% |
Loss on drying,% max | 8.5-12.0 | 11.8 |
Residue on ignition,% max | 0.10 | 0.06 |
Chloride (Cl),% max | 19.89~20.29 | 20.1 |
Sulfate (SO4),% max | 0.02 | <0.02 |
Heavy metals(Pb),% max | 0.001 | <0.001 |
Iron (Fe) , %max | 0.001 | <0.001 |
Ammonium ( NH4), %max | 0.02 | <0.02 |
Arsenic (as As),% max | 0.0001 | <0.0001 |
Conclusion: Agree with the specification of AJI92 | ||
L-Cysteine Hydrochloride Monohydrate is widely used in fields of medicine, food processing, biological study, materials of chemical industry and so on.
It’s used as raw materials for manufacturing N-Acetyl-L-Cysteine , S-Carboxymethyl-L-Cysteine and L-Cysteine base etc.
Used in the cure of liver disease, antioxidant and antidote. It is a promotor for bread fermentation. It promotes the form of glutelin and prevents from getting ageing.
Also used in cosmetic.
Company Information
Qingdao xigemaCHEMICAL Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of xigema is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
xigema has become the "Top 500 Chinese manufacturing companies","Top 20 of global agrochemical sales". xigema has 21 subsidiaries and holding companies.
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