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Home > Food Additives > Gum Base Agent > L-(+)-Cysteine hydrochloride for Sale > CAS 52-89-1 Tosylmethyl isocyanide Medicine and food An antidote.
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CAS 52-89-1 Tosylmethyl isocyanide Medicine and food An antidote.

9 Inquiries

Unit Price: Get Latest Price
CAS No.:

52-89-1

Grade:

Chemical Grade

Content:

99%

Port:

tianjin

Brand:

longbang

Packaging:

25kg/Drum

Price valid (until):

2025-02-28

Company Type:
Trader
Location:
China
Qualification:
Main Products:

chemical

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    [Appearance]

    solid
    [Melting point ]

    180°C
    [alpha ]

    5.5 º (c=8, 6 N HCL)
    [storage temp. ]

    Store at RT.
    [solubility ]

    H2O: 1 M at 20 °C, clear, colorless
    [form ]

    Solid
    [color ]

    White to light brown
    [Odor]

    odorless

    Use 1
    Used in medicine, food, etc
    Use 2
    Widely used in cosmetics, medicine, food and other industries
    Use 3
    It is used to treat radiopharmaceutical poisoning, heavy metal poisoning, toxic hepatitis, serum disease, etc., and can prevent liver necrosis.
    Used as a cosmetic perm, sunscreen, hair growth perfume, hair tonic components; Can be used as a food additive to prevent vitamin C oxidation and discoloration; It is used in bread to promote the formation of gluten protein, fermentation, mold, etc.
    Use 4
    It is used in biochemical research, as a reducing agent for the determination of hemolysin, and as an antidote in medicine.
    Use 5
    Pharmaceuticals, food.
    Use 6
    NMDA glutamergic agonists, at high concentrations, are also AMPA glutamergic agonists.






      Package and Logistics


    For powders: normal is 25kgs/Drum or bag, or larger/smaller package as request.

    For liquids: normal 25kgs/drum, 180-300kgs/bucket, or IBC, determined by the nature of the product. 

                         Or smaller package 1kg/bottle, 10kgs/bottle as request. 

    Shop Factory Supply High Qulity Poly(ethylene) CAS 9002-88-4-Detailed Image 1

    Shop Factory Supply High Qulity Poly(ethylene) CAS 9002-88-4-Detailed Image 2


      FAQ


    Q1. Could you please provide some samples?

    A1: Yes, Free samples for the quality evaluation for most products, but customers only need to undertake the shipping fee for delivery the samples to your destionation.


    Q2. What about the lead time?

    A2: Sample needs 3-5 days;    mass production time needs 1-2 weeks.


    Q3. Do you have any MOQ limit for order?

    A3: Low MOQ, 10-100g for sample checking is available.


    Q4. How do you ship the goods and how long does it take to arrive?

    A4: We usually ship by DHL, UPS, FedEx or TNT.     It usually takes 3-5 days to arrive.     Airline and sea shipping also optional.


    Q5. How to proceed an order for your products?

    A5: Firstly, let us know your requirements or application.

    Secondly, we quote according to your requirements or our suggestions.

    Thirdly customer confirms the samples and places deposit for normal order.

    Fourthly We arrange the production.


    Q6. Are you trading company or manufacturer?

    A6: We are chemical factory in China.     So, we can provide wholesale price.


    Q7: What are your payment terms?

    A7: We can accept various payment methods, T/T, PayPal, etc.


      Company Profile  


    Hebei Longbang Technology Co., LTD

    located in Shijiazhuang City, the capital of Hebei Province and the Beijing-Tianjin-Hebei New Zealand Hub, with convenient transportation. Our company is a modern high-tech chemical enterprise integrating R&D, production and sales.


    Our company has strong technical force, advanced equipment, strict quality management system and high-quality after-sales service, adheres to the business philosophy of "customer first, keen and enterprising", and adheres to honesty as the foundation of the company's survival. All for the satisfaction of customers, all for the long-term healthy development of the enterprise. In the past 10 years, we have been strictly managing the entire trading process, focusing on every detail, providing customers with a full range of services such as product procurement, research and development, quality control, logistics management, etc., and becoming a trustworthy partner and partner for customers. Nowadays, we have formed a product chain with many variety, large scale, complete products, refinement, high added value and high technical content. There are many series of medical products, food-grade additives, industrial grade, fertilizer grade, mineral products, etc.


    As a way to take advantage of the ever-expanding information resources in international trade, we welcome potential customers from anywhere online and off-line. Although we provide high-quality products, our qualified after-sales service team provides an effective and satisfying enquiry service. Item Inventory and Detail Detail Records as well as any other information will be sent to you in a timely manner to check the information.


    Shop Factory Supply High Qulity Poly(ethylene) CAS 9002-88-4-Detailed Image 3

    Shop Factory Supply High Qulity Poly(ethylene) CAS 9002-88-4-Detailed Image 4

    Basic Info
    Product Name:

    L-(+)-Cysteine hydrochloride

    Other Name:

    L-Cysteine,hydrochloride (1:1);Cysteine,hydrochloride,L-;L-Cysteine,hydrochloride;Cysteine chlorohydrate;Cysteine hydrochloride;Cystein chloride;L-(+)-Cysteine hydrochloride;(R)-Cysteine hydrochloride;WR 348;(R)-1-Carboxy-2-mercaptoethanaminium chloride;CSKE 200;(2R)-2-Amino-3-sulfanylpropanoic acid hydrochloride;122641-75-2;122882-13-7;124558-06-1;29844-56-2

    CAS No.:

    52-89-1

    Molecular Formula:

    C3H7NO2S.ClH

    InChIKeys:

    InChIKey=IFQSXNOEEPCSLW-DKWTVANSSA-N

    Molecular Weight:

    157.61900

    Exact Mass:

    156.99600

    EC Number:

    200-157-7

    UNII:

    A9U1687S1S

    DSSTox ID:

    DTXSID0020367

    Color/Form:

    Colorless crystals|White crystals

    HScode:

    2930909090

    Categories:

    Gum Base Agent

    Characteristics
    PSA:

    102.12000

    XLogP3:

    0.83040

    Appearance:

    DryPowder

    Melting Point:

    170-178 °C (decomp)

    Boiling Point:

    293.9ºC at 760 mmHg

    Flash Point:

    131.5ºC

    Water Solubility:

    SOLUBLE

    Storage Conditions:

    Store at RT.

    Vapor Pressure:

    6.73X10-7 mm Hg at 25 °C (est)

    Toxicity:

    LD50 intraperitoneal in mouse: 1250mg/kg

    Henrys Law Constant:

    Henry's Law constant = 5.30X10-11 atm-cu m/mol at 25 °C (est)

    Dissociation Constants:

    pK1 1.71 /carboxylic/; pK2 8.33 /amine/; pK3 10.78 /sulfide/

    Experimental Properties:

    Readily oxidizes to form a dimeric amino acid, cystine, in which the two cysteines are linked via a disulfide bridge, a common structural feature in proteins. Amino Acids and Proteins, D.M. Greenberg, Ed. (Charles C. Thomas, Springfield, IL, 1951) 950 pp.|In neutral or slightly alkaline aqueous solution it is oxidized to cystine by air. More stable in acidic solutions.|MP (anhydrous): 178 °C (decomposes). Specific optical rotation: +6.53 deg at 25 °C/D (calculated as cysteine) (c = 2 in 5M HCl); solubility >100 (20 °C) g/100 g H2O /L-Cysteine hydrochloride monohydrate/|Hydroxyl radical reaction rate constant = 7.96X10-11cu cm/molecule-sec at 25 °C (est)

    Hazard Identification

    Classification of the substance or mixture

    Not classified.

    GHS label elements, including precautionary statements

    Pictogram(s) No symbol.
    Signal word

    No signal word

    Hazard statement(s)

    none

    Precautionary statement(s)
    Prevention

    none

    Response

    none

    Storage

    none

    Disposal

    none

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    chemical

    Location:

    1803-1, Block A, Huaqiang Plaza, 77 Minzu Road, Xinhua District, Shijiazhuang City, Hebei Province, China

    Payment Terms:

    TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    15

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    51-100

    Year of Establishment:

    2023

  • Inquiry History
    9 Inquiries
    Country Product Purchase Quantity Date Posted
    India

    L-Cysteine hydrochloride Anhydrous

    100.00 KG Jan 17, 2024
    India

    L-Cysteine hydrochloride Anhydrous

    100.00 KG Dec 18, 2023
    India

    L-Cysteine hydrochloride

    1000 KG Jan 14, 2026
    Bangladesh

    L-Cysteine HCl

    185 KG Oct 30, 2023
    India

    Zinc Oxide

    15.00 MT Jan 17, 2024
    India

    Magnesium Oxide

    20.00 MT Jan 17, 2024
    India

    L-Lysine Monohydrochloride

    100.00 KG Dec 18, 2023
    India

    Dibenzoyl peroxide

    1.00 MT Jan 19, 2024
    India

    L-Tyrosine

    100.00 KG Dec 18, 2023
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