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Home > Pharmaceutical Intermediates > Bulk Drug Intermediates > Quinone for Sale > High quality 1,4-Benzoquinone CAS NO.106-51-4
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High quality 1,4-Benzoquinone CAS NO.106-51-4

6 Inquiries

Unit Price: Get Latest Price
CAS No.:

106-51-4

Grade:

Pharmaceutical Grade

Content:

99%

Port:

shanghai

Brand:

Lonwin

Packaging:

1kg/bag,25kg/drum,25kg/bag

Price valid (until):

2024-01-30

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

CHEMICALS,REAGENTS

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

     Product Information                                                                                    

    Specification


    Product name 1,4-Benzoquinone
    CAS number 106-51-4
    Assay ≥99%
    Appearance Yellow crystal
    Capacity 500mt/year
    Application Dyes and pharmaceutical intermediates, rubber antioxidant, polymerization inhibitor and antioxidant
    More information Synonyms: p-Benzoquinone
                       2,5-Cyclohexadiene-1,4-dione
                       Quinone
    Molecular Formula: C6H4O2
    Molecular Weight: 108.1
    CAS Registry Number: 106-51-4
    EINECS: 203-405-2
    Melting point: 112.0-116.0℃






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     Quality and Service                                                                                        

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    1.Customer Satisfaction is our priority and guarantee for the future.


    2.We co-develop products and projects with our partners.


    3.Place of Origin China with Super quality by reasonable price.


    4.When you meet problems in mineral processing, we can provide technical guidance.


    5.We will ship the goods that you order from us by EMS, DHL, UPS, or FedEx.We will decided to choose which

    courier depend on Different countries.To find the best way to delivery the goods for you.


    6.We will ship the goods within 5days after get your payments.If you want to cancel or change order, please tell

    me within 24hours after you finish the payment...So we both can make the best of the bad bargain.

    Bulk Order: Shipped via sea or air, it's according to your requirement, delivery time is 7-15days after payment


    7.If you have any other questions to consult me.please not hesitate to contact me any times.


    All we want is win-win business. Send us your inquiries, you will get it!


    Our service:


    1. Certificate of analysis (COA)


    2. Material safety data sheet (MSDS)


    3. Route of synthesis (ROS)


    4. Method of aanlysis (MOA)


    5. Nuclear magnetic resonance (NMR)


    6. Packing pictures and loading video before loading


    7. Free sample


    9. Factory audit


    10. Strong after-sale service

     Our Advantage                                                                                               

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      1. 1. Rich experience.
        Our company is a professional production leading factory in China in pharmaceutical area of many years,

      our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other country,

      and we have got very good feedback from our customers, we had Established long friendly relations of

      cooperation.

       

      2. Great quality, purity and favourable.
      Good quality is one of our secret success, welcome order the samples, MOQ just 1 grams.

       

      3. Safe and fast delivery.
      We have stock, so we can delivery quickly at the very day when receive the payment.

      We have special way could ship 0.01kg to 3.5kg products a time. We offer melting powder into liquid

    1. service. And ship the liquid in special bottles.

       

      4. Good before after-sales service.



    2. Before-sales:
      - We would like to offer our most favorable quotation and detailed information about 

    3. product as well as our company.
      - We would like to offer free sample for 
      testing use.


      After-sales:
      - We would like to assist buyers in custom 
      clearing through providing necessary documents and information.
      - We would provide the best solution when 
      there is any dispute about product quality.

      ur Advantag

     Packaging & Shipping                                                                                  

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    Shanghai Lonwin Chemical Co., Ltd. is a company committing to contract synthesis and production

    of photoinitiators, fluorocarbon surfactants, indicators, intermediates and APIs.

    Our company has ISO and REACH international certification, in Jiangsu, Anhui and other places with

    decades of cooperation of OEM processing plants, to provide a more solid support for the customized

    production service of special chemicals.

     

    Now, our products are well sold in North America, Europe, Japan, South Korea and the Middle East,

    and customers are highly satisfied with our products and service!

     

    To achieve sustainable and steady development, we establish closely cooperative relationships with

    famous universities and institutions of China. We regularly exchange information with them and make

    cooperation on the R&D of new technologies.

     

    Sticking to the business philosophy of "quality first, credit first, service first, creativity first",we are

    doing our best to meet demands of customers all around the world. We sincerely welcome your visit

    and business, and look forward to cooperating with you for expanding international market together! 


    Shop High Pruity Peptide GHRP-2 Gym CAS NO.158861-67-7-Detailed Image 7

     F.A.Q                                                                                                               

    • Q1  Can i get some samples? 

      A1  Yes, we can supply the free sample, but the shipping cost be paid by our customers.

       

      Q2  How to start orders or make payments? 

      A2  Proforma invoice will be sent first after confirmation of order, enclosed our bank information.

    • Payment by T/T,or Paypal or Escrow(Alibaba).

       

      Q3  How to confirm the Product Quality before placing orders? 

      A3  You can get free samples for some products,you only need to pay the shipping cost or arrange a courier

    • to us and take the samples. You can send us your product specifications and requests,we will manufacture

    • the products according to your requests.

       

      Q4  What’s your MOQ? 

      A4  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge

    • is 100% paid.

       

      Q5  How about delivery leadtime? 

      A5  Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)

       

      Q6  Is there a discount? 

      A6  Different quantity has different discount.

       

      Q7  How do you treat quality complaint? 

      A7  First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem

    • caused by us, we will send you free goods for replacement or refund your loss.

       

      Q8  How to contact us ? 

      A8 You can choose your interested products and send inquiry to us.

    Basic Info
    Product Name:

    Quinone

    Other Name:

    2,5-Cyclohexadiene-1,4-dione;p-Benzoquinone;1,4-Benzoquinone;Chinone;1,4-Cyclohexadienedione;p-Quinone;Quinone;Stearer PBQ;PBQ 2;NSC 36324;PBQ;Inhibitor PBQ;RS 404

    CAS No.:

    106-51-4

    Molecular Formula:

    C6H4O2

    InChIKeys:

    InChIKey=AZQWKYJCGOJGHM-UHFFFAOYSA-N

    Molecular Weight:

    108.09

    Exact Mass:

    108.09

    BRN:

    773967

    EC Number:

    203-405-2

    UNII:

    3T006GV98U

    ICSC Number:

    0779

    NSC Number:

    36324

    UN Number:

    2587

    DSSTox ID:

    DTXSID6020145

    Color/Form:

    YELLOW MONOCLINIC PRISMS FROM WATER OR PETROLEUM ETHER|Greenish-yellowish solid|Pale-yellow solid.

    HScode:

    2914 69 80

    Characteristics
    PSA:

    34.1

    XLogP3:

    0.2

    Appearance:

    Yellow to green Powder

    Density:

    1.318 g/cm3 @ Temp: 20 °C

    Melting Point:

    115.7 °C

    Boiling Point:

    180 °C

    Flash Point:

    38°C

    Refractive Index:

    n20/D 1.453

    Water Solubility:

    H2O: 10 g/L (25 ºC)

    Storage Conditions:

    2-8°C

    Vapor Pressure:

    0.1 mm Hg ( 25 °C)

    Vapor Density:

    3.73 (vs air)

    Toxicity:

    Oral-rat LD50: 130 mg/kg; Oral-Mouse LDL0: 100 mg/kg

    Flammability characteristics:

    Open flame is flammable; decomposes when heated; burning releases irritating smoke

    Explosive limit:

    Drums containing moist quinone self heated, generating smoke and internal pressure. ... The moist material showed an exotherm at 40-50 deg C and decomposed at 60-70 deg C, ... owing to pressure impurities. Drums exposed to direct sunlight soon attain a surface temperature of 50-60 deg C.

    Odor:

    PENETRATING ODOR RESEMBLING THAT OF CHLORINE

    OH:

    4.60e-12 cm3/molecule*sec

    Experimental Properties:

    SUBLIMES; DIPOLE MOMENT: 0.67|CONVERSION FACTORS: 1 MG/L IS EQUIVALENT TO 226.4 PPM & 1 PPM IS EQUIVALENT TO 0.00442 MG/L AT 25 °C, 760 MM HG|Ionization potential: 9.67 eV|Heat of fusion: 40.97 cal/g|For more Other Experimental Properties (Complete) data for 1,4-BENZOQUINONE (8 total), please visit the HSDB record page.

    Air and Water Reactions:

    Soluble in water and denser than water. If moist it may decompose spontaneously above 140°F. This has occurred in drums, causing over-pressurization.

    Reactive Group:

    Ketones

    Reactivity Alerts:

    Strong Oxidizing Agent

    Reactivity Profile:

    BENZOQUINONE acts as an oxidizing agent (NTP, 1992).

    Autoignition Temperature:

    1040 °F (USCG, 1999)|1040 °F (560 °C)|560 °C

    Heat of Combustion:

    656.6 Kcal/g mol @ 25 °C

    Ionization Potential:

    9.68 eV

    Flammable Limits:

    Combustible Solid

    Physical Dangers:

    Dust explosion possible if in powder or granular form, mixed with air. If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc.

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 3, Oral

    Skin irritation, Category 2

    Eye irritation, Category 2

    Acute toxicity - Category 3, Inhalation

    Specific target organ toxicity – single exposure, Category 3

    Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

    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

    H331 Toxic if inhaled

    H335 May cause respiratory irritation

    H400 Very toxic to aquatic life

    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.

    P273 Avoid release to the environment.

    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.

    P316 Get emergency medical help immediately.

    P319 Get medical help if you feel unwell.

    P391 Collect spillage.

    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

    NO open flames, NO sparks and NO smoking. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. Prevent build-up of electrostatic charges (e.g., by grounding). 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

    Fireproof. Separated from combustible substances, reducing agents and food and feedstuffs. Cool. Dry.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    CHEMICALS,REAGENTS

    Location:

    No 966 Huaxu Road, Qingpu District, Shanghai, 201702, P.R. China

    Payment Terms:

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

    Average lead Time:

    10

    Total Annual Revenue:

    $10 million-$25 million

    Total Employees:

    11-50

    Year of Establishment:

    2011

     Company Profile                                                                                                    

      Shanghai Lonwin Chemical Co., Ltd. is a company committing to contract synthesis and production of photoinitiators, fluorocarbon surfactants, indicators, intermediates and APIs.Our company has ISO and

    REACH international certification, in Jiangsu, Anhui and other places with decades of cooperation of

    OEM processing plants, to provide a more solid support for the customized production service of special

    chemicals.
       Now, our products are well sold in North America, Europe, Japan, South Korea and the Middle East,

    and customers are highly satisfied with our products and service!
    To achieve sustainable and steady development, we establish closely cooperative relationships with

    famous universities and institutions of China. We regularly exchange information with them and make

    cooperation on the R&D of new technologies.
    Sticking to the business philosophy of "quality first, credit first, service first, creativity first", we are

    doing our best to meet demands of customers all around the world. We sincerely welcome your visit

    and business, and look forward to cooperating with you for expanding international market together!


     

  • Inquiry History
    6 Inquiries
    Country Product Purchase Quantity Date Posted
    Jordan

    1, 4-benzoquinone

    100 G May 19, 2025
    Malaysia

    1,4-benzoquinone

    25 KG Apr 12, 2024
    Australia

    P-benzoquinone/ Para-benzoquinone/ 1,4-benzoquinone 99% Yellow solid PBQ Lifechemical

    1 KG Nov 19, 2023
    United States

    1,4-Benzoquinone

    600 KG Aug 27, 2025
    Russia

    p-Benzoquinone

    250 KG Feb 26, 2026
    India

    P-Benzoquinone

    1000.00 KG Mar 1, 2024
    Post an enquiry for this product
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