Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of L-Cysteine Hydrochloride Anhydrous (CAS: 52-89-1) with high quality, production capacity 3000 Tons per year. Ruifu Chemical supplys a series of amino acids derivatives. As an experienced L-Cysteine Hydrochloride Anhydrous manufacturer and supplier, we has been supplying and exporting L-Cysteine Hydrochloride Anhydrous for almost 10 years, please be assured to buy from us. We can provide COA, worldwide delivery, small and bulk quantities available. If you are interested in L-Cysteine Hydrochloride Anhydrous, Please contact: alvin@ruifuchem.com
| Chemical Name | L-Cysteine Hydrochloride Anhydrous |
| Synonyms | L-Cysteine Hydrochloride; L-Cysteine HCl Anhydrous; L-(+)-Cysteine Hydrochloride; Laevo-Cysteine Hydrochloride Anhydrous; (R)-2-Amino-3-Mercaptopropanoic Acid·Monohydrochloride |
| Stock Status | In Stock, Production Capacity 3000 Tons per Year |
| CAS Number | 52-89-1 |
| Molecular Formula | C3H7NO2S·HCl |
| Molecular Weight | 157.63 |
| Melting Point | 180℃ |
| Sensitive | Hygroscopic. Air Sensitive, Light Sensitive, Moisture Sensitive |
| Water Solubility | Soluble in Water (580 g/L at 20℃) |
| Storage Temp. | Sealed in Dry, Store at Room Temperature |
| COA & MSDS | Available |
| Classification | Amino Acid Derivatives |
| Brand | Ruifu Chemical |
| Hazard Codes | Xi | RTECS | HA2275000 |
| Risk Statements | 36/37/38 | F | 3-10-23 |
| Safety Statements | 26-36 | TSCA | Yes |
| WGK Germany | 2 | HS Code | 2922499990 |
| Items | Inspection Standards | Results |
| Appearance | White Crystals or Crystalline Powder, Strongly Acid Taste | Conforms |
| Identification | Infrared Absorption Spectrum | Conforms |
| Specific Rotation [α]20/D | +5.6° to +8.9° (C=8, 1N HCl) |
+6.2° |
| State of Solution (Transmittance) | Clear and Colorless ≥98.0% | 98.5% |
| Chloride (Cl) | 22.30~22.6% | 19.95% |
| Sulfate (SO4) | ≤0.020% | 0.015% |
| Ammonium (NH4) | ≤0.020% | 0.015% |
| Iron (Fe) | ≤10ppm | 5ppm |
| Heavy Metals (Pb) | ≤10ppm | 5ppm |
| Arsenic (As2O3) | ≤1.0ppm | 0.5ppm |
| Other Amino Acids | Chromatographically Not Detectable |
Conforms |
| Loss on Drying | ≤1.00% | 0.70% |
| Residue on Ignition | ≤0.10% | 0.07% |
| Assay | 98.0~102.0% (Titration: Anhydrous Basis) | 99.7% |
| pH Test | 1.5 to 2.0 (1.0g in 100ml H2O) | 1.6 |
| Conclusion | This Product by Inspection Accords with the Standard of AJI97; USP | |
| Shelf Life | 24 Months From Manufacture Date if Stored Properly | |
| Main Uses | Food Additives; Nutritional Supplement; Cosmetics; Pharmaceuticals | |
Package: Fluorinated bottle, 25kg/Bag, 25kg/Cardboard drum, or according to customer's requirement.
Stability: Stable, but light, moisture and air sensitive. Incompatible with strong oxidizing agents, some metals.
Storage Condition: Store in sealed containers at cool, dry and ventilated warehouse away from incompatible substances. Protect from light and moisture.
L-Cysteine Hydrochloride Anhydrous (CAS: 52-89-1) AJI 97 Test Method
Identification: Compare the infrared absorption spectrum of the sample with that of the standard by potassium bromide disc method.
Specific Rotation [α]20/D: Dried sample, C=8, 1mol/L HCl
State of Solution (Transmittance): 0.5g in 10ml of H2O, spectrophotometer, 430nm, 10mm cell thickness.
Heavy Metals (Pb): 2.0g, (1), pH=7, ref: 2.0ml of Pb Std. (0.01mg/ml)
Arsenic (As2O3): 2.0g, (1), ref: 2.0ml of As2O3 Std.
Other Amino Acids: Test Sample: 50μg, B-1-a, control; L-Cys.HCl 0.25μg
Loss on Drying: In vacuum, P2O5, at room temperature for 20 hours.
Residue on Ignition (Sulfated): AJI Test 13
Assay: Dried sample, 250mg, 0.05mol/L 1ml=15.762mg, C3H7NO2S·HCl
pH Test: 1.0g in 100ml of H2O
How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.
Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.
Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.
Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers.
Factory Audit? Factory audit welcome. Please make an appointment in advance.
MOQ? No MOQ. Small order is acceptable.
Delivery Time? If within stock, three days delivery guaranteed.
Transportation? By Express (FedEx, DHL), by Air, by Sea.
Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.
Custom Synthesis? Can provide custom synthesis services to best fit your research needs.
Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.
L-Cysteine Hydrochloride Anhydrous (CAS: 52-89-1) is an amino acid produced via chemical synthesis, a hydrochloride obtained by combining L-cysteine with one molar equivalent of hydrogen chloride. L-Cysteine Hydrochloride Anhydrous is widely used as additive in food production. It is used as an antioxidant to promote fermentation and keep the flavor. It is also used in cosmetics and animal feed. Used in fields of biological study, materials of chemical industry and so on. It is a promotor for bread fermentation.It promotes the form of glutelin and prevents from getting ageing. Also used in cosmetic. It is used in natural fruit juice for preventing Vitamin C oxide. It has a detoxification for poison of acrylonitrile aromafic acid. It is used for protecting against radiation harm and therapy of bronchitis and liquefy sputum. L-Cysteine hydrochloride anhydrous Usage: 1. Food grade: flour improver, nutritional supplement, antioxidants. 2. Medicine grade: In pharmacy, Cysteine is used in the treatment of radioactive drugs poison, heavy metal poison, toxic hepatitis, serum sickness, and can prevent liver degeneration. 3. Comestic grade: whiting skin, dissolving cutin, anti-aging. The component of cosmetics marcel extract, sunscreen, germinal perfume, hair essence.
Safety Profile: Moderately toxic by intraperitoneal, intravenous, and possibly other routes. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx, SOx, and Cl-.