Product
Supplier
Encyclopedia
Inquiry
Cupferron 135-20-6 high purity buy - large image1
Cupferron 135-20-6 high purity buy - image1
Cupferron 135-20-6 high purity buy - image2
Cupferron 135-20-6 high purity buy - image3
Cupferron 135-20-6 high purity buy - image4
Cupferron 135-20-6 high purity buy - image5
Cupferron 135-20-6 high purity buy - image6

Cupferron 135-20-6 high purity

ISO 1 Inquiries

Unit Price: Get Latest Price
CAS No.:

135-20-6

Grade:

Pharmaceutical Grade

Content:

99%

Port:

Shanghai

Brand:

Zentrachem

Packaging:

25kgs in drum

Price valid (until):

2025-12-20

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

pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Shop 1-Methyl-4-pyrazole boronic acid pinacol ester CAS 761446-44-0 pharmaceutical intermediate-Detailed Image 1

    Melting point  150-155 °C (dec.) (lit.)
    Boiling point  278.95°C (rough estimate)
    density  1.3092 (rough estimate)
    refractive index  1.6500 (estimate)
    storage temp.  2-8°C


    form  Powder
    color  Needles from water


     Capability 


     we are capable of:


    1) quick quotation, normally within 1-2 days

    2) full marketing research

    3) price control and quality(regulatory) control

    4) all stage support from sample, pilot, registration and commercial

    5) sourcing for prodcut which is very new or hard to find

    6) CMO/CDMO, from pilot-scale development to industrial-scale manufacturing


      Q&A  


    What are the MOQ and lead time?


    MOQ varies (high-value chemicals may negotiate to g-kg-level).

    Lead time typically 2-4 weeks, with expedited options upon request.


    How do we ensure product quality and compliance?


    We enforce a 3-step protocol:

    ① Source only from ISO-certified suppliers;

    ② Provide batch-specific COA/COO;

    ③ Dedicated team monitors global regulations (e.g., China NECIC, EU SCIP).


    Do we offer customized synthesis?


    Yes!

    We provide end-to-end solutions from R&D to scale-up production.

    Technical specs (e.g., purity, CAS#) and intended use documentation are required.


    How do we handle logistics and customs?


    We support CIF/FOB/DDP/DAP terms, partner with global logistics providers,

    and have in-house experts for HS code classification, hazardous material documentation, etc.


    How do we manage raw material price fluctuations?


    We mitigate risks via long-term contracts, multi-region sourcing,

    and futures hedging, supplemented with quarterly market analysis reports.


      About Us 


    Zentra Chemical, headquartered in Hangzhou, China, is aiming to be a global player in chemical trading and integrated solutions.

    Specializing in Pharmaceutical intermediates, Agrochemical intermediates, Fine chemicals, Herbal extracts and Cosmetic ingredients, we deliver end-to-end services spanning sourcing, supply chain optimization, customized synthesis, cost management, and quality assurance, with all stage support from sample, pilot, registration and commercial

    Our mission is to empower clients worldwide with agile, sustainable, and value-driven partnerships in the ever-evolving chemical industry.

    Competitive Advantages

    • Strategic Location: Based in Hangzhou at the heart of Yangtze River Delta economic zone with global reach
    • Expert Team: International team of chemical engineers, trading specialists and supply chain professionals
    • Quality Commitment: Rigorous supplier selection and ISO-certified quality management systems
    • Sustainable Development: Partnering with eco-friendly manufacturers to promote green chemistry

    Vision & Mission
    Driven by the philosophy of “Chemistry Connects the Future,” Zentra Chemical strives to be a pioneering force in the global chemical sector. By bridging innovation, efficiency, and sustainability, we aim to build long-term partnerships that redefine industry standards and foster a greener, smarter chemical ecosystem.

    Global Reach, Local Expertise – Zentra Chemical is your trusted partner for chemical excellence.


      Why us


    • Supplier, distributor & marketer of chemicals with >20 yrs of experience, with Integrated sourcing solutions
    • Wide product range, We can source any fine chemical you require, unlimited range, including intermediates and products for agrochemicals, cosmetics, APIs, nanotechnology, additives, flavors, fragrances, photography, plant extracts, electronics industries and more
    • We can solve your sourcing problems through our own or third party manufacturing in the most transparent way
    • We supply all stage support from sample, pilot, registration and commercial
    • Through selected pre-qualified partners under exclusive arrangements, we offer Contract manufacturing and custom synthesis, Kilo to Multi-ton scale production
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 1
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 2
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 3
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 4
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 5
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 6
    Shop 3-Fluorocinnamicacid 458-46-8-Detailed Image 7

    Shop 1-Methyl-4-pyrazole boronic acid pinacol ester CAS 761446-44-0 pharmaceutical intermediate-Detailed Image 9

    Shop 1-Methyl-4-pyrazole boronic acid pinacol ester CAS 761446-44-0 pharmaceutical intermediate-Detailed Image 10


      Excipients 


    L-Malic Acid, CAS 97-67-6
    DL-Malic Acid, CAS 617-48-1
    L(+)-Tartaric Acid, CAS 87-69-4
    DL-Tartaric Acid, CAS 133-37-9
    Potassium Bitartrate, CAS 868-14-4
    Aspartame, CAS 22839-47-0
    ISO, Halal, kosher certificates are all available.

    Certificates

    Basic Info
    Product Name:

    Cupferron

    Other Name:

    Benzenamine,N-hydroxy-N-nitroso-,ammonium salt (1:1);Hydroxylamine,N-nitroso-N-phenyl-,ammonium salt;Benzenamine,N-hydroxy-N-nitroso-,ammonium salt;Cupferron;N-Nitroso-N-phenylhydroxylamine ammonium salt;N-Nitroso-N-phenylhydroxyamine ammonium salt;Kupferron;Q 1300;N-Nitroso-N-phenylhydroxyamine-ammonium compd.;Ammonium N-nitroso-N-phenylhydroxylamine;Ammonium N-nitroso-N-phenylhydroxylaminato;7564-70-7;21255-91-4;125141-56-2;862780-68-5;1313437-27-2

    CAS No.:

    135-20-6

    Molecular Formula:

    C6H6N2O2.H3N

    InChIKeys:

    InChIKey=NJVHCUNZAMFQNA-UHFFFAOYSA-N

    Molecular Weight:

    155.15

    Exact Mass:

    155.069473

    EC Number:

    205-183-2

    DSSTox ID:

    DTXSID1020352

    Color/Form:

    Crystals|Creamy-white crystals

    HScode:

    29299090

    Characteristics
    PSA:

    55.73000

    XLogP3:

    2.04840

    Appearance:

    Powder

    Density:

    1.3092 (rough estimate)

    Melting Point:

    163-164 °C

    Boiling Point:

    278.95°C (rough estimate)

    Flash Point:

    101.3ºC

    Refractive Index:

    1.6500 (estimate)

    Water Solubility:

    <0.1 g/100 mL at 18.5 ºCHygroscopic. soluble in water.

    Storage Conditions:

    2-8°C

    Vapor Pressure:

    Negligible (NTP, 1992)

    Toxicity:

    Oral-ratLD 50: 199 mg/kg; Intravenous-MouseLD50:180 mg/kg

    Flammability characteristics:

    High temperature produces toxic nitrogen oxides and ammonia fumes

    Air and Water Reactions:

    Hygroscopic. Soluble in water.

    Reactive Group:

    Azo, Diazo, Azido, Hydrazine, and Azide Compounds

    Reactivity Profile:

    CUPFERRON may be sensitive to prolonged exposure to air. Incompatible with strong oxidizing agents, strong acids and strong bases. Forms unstable solutions with thorium, titanium and zirconium salts. (NTP, 1992)

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 3, Oral

    Skin irritation, Category 2

    Eye irritation, Category 2

    Specific target organ toxicity – single exposure, Category 3

    Carcinogenicity, Category 2

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H301 Toxic if swallowed

    H315 Causes skin irritation

    H319 Causes serious eye irritation

    H335 May cause respiratory irritation

    H351 Suspected of causing cancer

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

    P270 Do not eat, drink or smoke when using this product.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

    P271 Use only outdoors or in a well-ventilated area.

    P203 Obtain, read and follow all safety instructions before use.

    Response

    P301+P316 IF SWALLOWED: Get emergency medical help immediately.

    P321 Specific treatment (see ... on this label).

    P330 Rinse mouth.

    P302+P352 IF ON SKIN: Wash with plenty of water/...

    P332+P317 If skin irritation occurs: Get medical help.

    P362+P364 Take off contaminated clothing and wash it before reuse.

    P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

    P319 Get medical help if you feel unwell.

    P318 IF exposed or concerned, get medical advice.

    Storage

    P405 Store locked up.

    P403+P233 Store in a well-ventilated place. Keep container tightly closed.

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    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

    Keep in well closed containers to which a piece of ammonium carbonate is added.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals

    Location:

    Rm 301, Bld 2, Taohuahu Neighborhood Center, Hangzhou, China

    Payment Terms:

    TT against copy of documents,D/P,L/C,D/A,100% TT in advance

    Average lead Time:

    14

    Total Employees:

    5-10

    Year of Establishment:

    2025

    Zentra Chemical, headquartered in Hangzhou, China, is aiming to be a global leader in chemical trading and integrated solutions.

    Specializing in Pharmaceutical intermediates, Agrochemical intermediates, Fine chemicals, and Cosmetic ingredients, we deliver end-to-end services spanning sourcing, supply chain optimization, customized synthesis, cost management, and quality assurance.

    Our mission is to empower clients worldwide with agile, sustainable, and value-driven partnerships in the ever-evolving chemical industry.


      Why us  


    Supplier, distributor & marketer of chemicals with >20 yrs of experience, with  Integrated sourcing solutions.

    Wide product range , We can source any fine chemical you require, unlimited range, including intermediates and products for agrochemicals, cosmetics, APIs, nanotechnology, additives, flavors, fragrances, photography, plant extracts, electronics industries and more.

    We can solve your sourcing problems through our own or third party manufacturing in the  most transparent way.

    We supply  all stage support from sample, pilot, registration and commercial.

    Through selected  pre-qualified partners  under exclusive arrangements, we offer  Contract manufacturing and custom synthesis , Kilo to Multi-ton scale production.


      Capability  


    with hundreds of local manufacturers(pre-qualified), we are capable of:

    1) quick quotation, normally within 1-2 days;
    2) full marketing research;
    3) price control and quality(regulatory) control;
    4) all stage support from sample, pilot, registration and commercial;
    5) sourcing for prodcut which is very new or hard to find;
    6) CMO/CDMO, from pilot-scale development to industrial-scale manufacturing.

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

    Cupferron

    10.00 KG Sep 8, 2023
    Post an enquiry for this product
pic ×

Scan the QR Code to Share

All products displayed on this website are only for non-medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.

According to relevant laws and regulations and the regulations of this website, units or individuals who purchase hazardous materials should obtain valid qualifications and qualification conditions.

The information shown above is provided by the enterprise itself, and the authenticity, accuracy and legitimacy of the content are the responsibility of the publishing company. ECHEMI does not bear any guarantee responsibility for this. Please be aware that risks in internet transactions objectively exist.

Feedback & Suggestions
Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.