CasNo.52-90-4,L-Cysteine with high quality,(52-90-4) Suppliers

1 Kilogram	FOB Price:USD 23.5000 -24.7000

Min.Order :1 Kilogram
Purity: 99%
Payment Terms : L/C,T/T,,MoneyGram

Keywords

L-Cysteine half-cysteine L-Cysteine Alkali

Quick Details

Appearance:White crystal or white powder
Application:Bread improver; nutritional supplements, antioxidants, color protection agents. On the scavenging and aromatic poisoning detoxification effect, there is the role of prevention of radiation damage, the
PackAge:25KG drum/bag or as buyer's request
ProductionCapacity:100|Metric Ton|Month
Storage:Cool, dry, clean, shading environment, is strictly prohibited and toxic, harmful substances mixed, so as not to pollution
Transportation:5-15 days after received the advanced payment,by sea,by plane or express, as DHL/TNT/EMS/FEDEX and so on

Superiority:

High quality, best service,competitive price are our principle

Our strength

We have clients throughout the world：

Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet your desire.

Our Laboratoy

We have our own independent lab test center：

This makes sure that our technology support is reliable and authoritative.All of self-owned fine chemicals are manufactured strictly in accordance with international standard.,and also has scientific cooperation with local colleges and institutes.

Our factory

High quality with competitive price：

We are manufacturer and can provide high quality products with factory price.

Package & Shipment

Fast and safe delivery;

Parcels can be sent out within 24 hours after payment.

Tracking number is available secure and discreet shipment.

You have various choices of transportation methods.(EMS, DHL, FedEx, UPS,TNT);

Express fee --------------$45 (Through EMS within 500g)

--------------$35 (Through DHL/TNT within 500g)

--------------$40 (Through FedEx within 500g)

--------------$35 (Through UPS within 500g)

Detail fee,please contact us. Sometimes, express will give us some discount.

Tell us your quantity and prefere express,Then we will caculate price for your reference.

Product details

Please contact with us freely for getting detailed product specifications, product tech. date sheet, COA and MSDS, prices, delivery time and payment terms.

Luspharm exported this product to many countries and regions at best price in China. If you are looking for the product's supplier in China, Luspharm is your best choice.

Details:

L-Cysteine

CAS:: 52-90-4

MF:: C3H7NO2S

MW:: 121.16

EINECS:: 200-158-2

Synonyms:: (R)-2-Amino-3-mercaptopropanoic acid;3-mercapto-l-alanin ;alpha-amino-beta-mercaptopropionicacid ;alpha-Amino-beta-thiolpropionic acid;alpha-amino-beta-thiolpropionicacid ;Cystein;half-cysteine ;L-Alanine, 3-mercapto-

Properties

Melting point:: 220 °C (dec.)(lit.)

alpha: 8.75 º (c=12, 2N HCl)

FEMA: 3263

refractive index: 8.8 ° (C=8, 1mol/L HCl)

storage temp.: Store at RT.

solubility: H₂O: 25 mg/mL

Water Solubility: 280 g/L (25 ºC)

Sensitive: Air Sensitive

Merck: 14,2781

BRN: 1721408

Stability:: Stability Stable, but may be air sensitive. Incompatible with oxidizing agents, bases.

Safety Information

Symbol(GHS): GHS07

Hazard statements: H302

Precautionary statements: P264-P270-P301+P312a-P330-P501a

Hazard Codes: Xn,Xi

Risk Statements: 22-36/37/38-20/21/22

Safety Statements: 36-37/39-26

WGK Germany: 3

RTECS: HA1600000

F: 10-23

TSCA: Yes

HS Code: 29309012

Specification:

Identification: infrared spectroscopy

Specific rotation: + 8.3 ° ~ + 9.5 °

Dissolved: ≥ 95.0%

Content: 98.0% ~ 101.5%

Heavy metal: ≤10ppm

Chloride: ≤0.04%

Arsenic salt: ≤1ppm

Loss on drying: ≤0.5%

Residue on ignition: ≤0.1%

PH value: 4.5 ~ 5.5

Iron salt: ≤ 10ppm

Ammonia salt: ≤0.02%

Sulfate: ≤0.03%

Packing: 25kg / barrel

Character: colorless to 100 color fine columnar crystal or white crystalline powder, with a slight special smell and taste (slightly acid). With reducibility, antioxidant and prevent non-enzymatic browning. Melting point 175 ° C (decomposition). Soluble in water, aqueous solution is acidic, PH value of 3% at 1.2,1% when 1.7,0.1% when 2.4. Also soluble in ethanol, ammonia and acetic acid, insoluble in ether, acetone, benzene, carbon disulfide and chloroform. Amino acids, but non-essential amino acids.

Application: bread improver; nutritional supplements; antioxidants; color protection agent. On the acrylonitrile and aromatic poisoning detoxification; have a role in the prevention of radiation damage; have absorbed alcohol, drunk effect.

[Product]

How to Proceed Your Orders

Step 1

Please let me know the items you are favorable, quantities, and the destination country.

Step 2

You confirm all details, and offer us purchasing order.

Step 3

We send the detail price of our product and offer the suitable shipping method for reference.

Step 4

You confirm the order and pay money 100% in advance and send us the detailed contacting information, including contacting person/company, address, mobile number,ZIP code and your special requirements.

Step 5

Parcel would be arranged within 12 hours upon receipt of your payment . Photos would be offered to tell apart the products .

Tracking number :

Send by EMS, the tracking number is available within 12 hours . The info would be traceable that day or 1 day later. If send by HKEMS or other express,the tracking number would be provided next day. And this does not mean the info is traceable that day. It would be released on internet 2 or 3 days later . The reason why is that parcel should be shipped to Hong Kong from forwarder then wait for the flight . You sign for the parcel , then deliver the goods.

Step 6

We offer after-sales service after you receive parcel.

[COMPANY PICTURE]

Hebei Luspharm Trading Co., Ltd. is a high-tech enterprise engages in manufacturing and marketing chemicals for international distribution,specialized in APIs, advanced intermediates, botanical extract and color industry.

Our goal is becoming leading position in global distribution and trading based on unique combination of technical skill,unrivaled supplier network, market knowledge and an absolute commitment to customer satisfaction.

Under a management team with professional experiences in chemical development, a pathbreaking optimization in our R&D center,advanced multi-purpose manufacturing facility and large-scale production line with GMP workshop, we can supply finished synthesis as client requirements and be sure high quality products,low costs, adequate supply and integrated excellent services.

Luspharm headquarters are located in Shijiazhuang, China. Hebei Luspharm Trading Co., Ltd. is in charge of all business of Luspharm.

Our mission and enthusiasm is introducing the high quality Chinese ingredients to global customers, and becoming a bridge between the changing China and the changing needs of our clients.Focus, then the best".

Adhering to the tenet of "today's quality will open up tomorrow's market", insisting on the philosophy of "integrity, win-win", we would like to cooperate with friends at home and abroad for creating bright future.