1-1000 Kilograms
$20.00
≥1001 Kilograms
$14.00
1.IntroductionofL-Cysteine hydrochloride monohydrate
L-Cysteine is an amino acid common in vivo, can be transformed from the body of methionine, cystine can be transformed with each other
1. L-Cysteine has an effective detoxification.
2. L-Cysteine can effectively prevent and treat radiation injury.
3. L-Cysteine can remove the skin melanin itself, change the nature of the skin itself, the skin becomes natural whitening. It is a kind of ideal natural whitening cosmetics.
4. L-Cysteine can improve the symptoms of inflammation and skin allergies.
5. L-Cysteine on horny skin disease is also effective hypertrophy.
6. L-Cysteine has a function to prevent biological aging.
Specifications | ||
USP | AJI | |
Appearance | White crystals or crystalline powder; strongly acid taste. | |
Identification | Infrared Absorption | --- |
Specific optical rotation | +5.6 °- +8.9 ° | +5.5 °- +7.0 ° |
State of solution (Transmittance) | --- | ≥ 98.0% clear and colorless |
Chloride (Cl) | --- | 19.89-20.29% |
Ammonium(NH4) | --- | ≤ 0. 002% |
Sulfate | ≤ 0. 03 % | ≤ 0. 020% |
Iron | ≤ 0. 003 % | 10ppm |
Heavy Metals (as Pb), | ≤ 0.00 15% | ≤ 10ppm |
Arsenic (as As), | --- | ≤ 1ppm |
Other amino acids | --- | Not detected |
Organic volatile impurities | Meets the requirement | --- |
Loss on drying, | 8-12 % | 8.5-12 % |
Residue on ignition, | c | ≤ 0.1 0 % |
Assay | 98.5-101.5 % | 9 9.0-10 0.5 % |
pH value | --- | 1.5-2.0 |
Organic volatile impurities | Meets the requirement | --- |
Chromatographic purity | 0.5% max Individual impurity, 2% max total |
1. Any inquiries will be replied within 12 hours.
2. Dedication to quality, supply & service.
3. Strictly on selecting raw materials.
4. OEM/ODM Available.
5. Reasonable & competitive price, fast lead time.
6. Sample is available for your evaluation & Formulation development.
7. Faster delivery:Sample order in stock and 3-7 days for bulk production.
8. We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS. Or you also can choose your own shipping forwarder.
9. After-Sale Service:
(1) International Authorized Third-Party Test For The Products You Demand.
(2) 60 Days Warranty of quality of goods.
Shipping Terms | ||
By Express | By Air | By Sea |
Suitable for under 50kg Fast: 3-7 days High cost Door to door service, easy to pick up the goods | Suitable for more than 50kg Fast: 3-7 days High cost Port to port, professional broker needed | Suitable for more than 500kg Slow: 7-45 days Low cost Port to port, professional broker needed |
1. Your inquiry related to our products or prices will be replied in 12hours.
2. Well-trained and experienced staffs to answer your enquires in fluent English.
3. All our products have high quality warranties.
4. Sample order can be delivered within 3 working days, small order 3-5working days, mass order 7-10working days.
5. Samples can be offered by free,customers just need to pay the freight.But the freight can be returned to our customer after he/she places formal order with us.
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