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Home > Chemical Reagents > Organic Reagents > Butanedione for Sale > 2,3-Butanedione CAS: 431-03-8 97%min Heterocyclic Building Block & Organic Synthesis Intermediate
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2,3-Butanedione CAS: 431-03-8 97%min Heterocyclic Building Block & Organic Synthesis Intermediate

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Unit Price: Get Latest Price
CAS No.:

431-03-8

Grade:

Industrial Grade

Content:

99%

Port:

qingdao

Brand:

Changyuan

Packaging:

25kg/drum

Price valid (until):

2025-01-27

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

Chemical solvents, chemical intermediates, custom chemicals

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    product name 2,3-Butanedione
    cas  431-03-8
    Molecular Formula C4H6O2
    Molar Mass 86.09
    Density 0.985g/mLat 20°C
    Melting Point -4--2 °C
    Boling Point 88°C(lit.)
    Flash Point 45°F
    JECFA Number 408
    Water Solubility 200 g/L (20 ºC)
    Solubility 200g/l
    Vapor Presure 52.2 mm Hg ( 20 °C)
    Vapor Density 3 (vs air)
    Appearance Liquid
    Color Clear yellow

    2,3-Butanedione

    431-03-8


      Product Description  


    Shop 2,3-Butanedione CAS: 431-03-8  97%min Heterocyclic Building Block & Organic Synthesis Intermediate-Detailed Image 1

    Shop 2,3-Butanedione CAS: 431-03-8  97%min Heterocyclic Building Block & Organic Synthesis Intermediate-Detailed Image 2

    2,3-Butanedione (CAS: 431-03-8) is an organic compound with a strong creamy aroma.

    Its molecular formula is C₄H₆O₂, with a molecular weight of 86.09, a boiling point of approximately 88 °C, and a low flash point (about 13 °C). It is a flammable substance and should be stored in a cool, well-ventilated area (preferably at 2–8 °C).

    This product is intended for use as a heterocyclic building block, organic synthesis intermediate,and diketone compound in indutrial manufacturing and research laboratories.


      Company Profile    


    Shandong Changyuan Chemical Co.Ltd. is mainly manufacturing and dealing in sales of fine chemical products. It was built in 2022 and mainly focuses on innovation, reseach and development. We have ccoperation with many customers at home and abroad. The company has a professional production base. The main products: Acryiic acid, vinyl acetate, methyl methacrylateetc. It has been popular around. We will strive for greater success with products, prices,services and quality. Quality is our culture.

    Amid the wave of transformation in the chemical industry, Shandong Changyuan Chemical Co., Ltd. has consistently regarded quality and service as the twin pillars of its development. With a commitment to excellence and attentive, comprehensive services, the company has steadily advanced in the fiercely competitive market, earning the trust of its clients and recognition from the industry.

    Quality is the lifeline of an enterprise—a principle that has become deeply ingrained at Shandong Changyuan Chemical. The company has established a comprehensive quality management system covering the entire process, from raw material procurement to finished product delivery, with stringent standards and rigorous controls at every stage. During the procurement phase, the purchasing team conducts multidimensional evaluations of suppliers, examining factors ranging from origin and composition to production processes, ensuring only high-standard materials enter production. In manufacturing, advanced equipment works in tandem with specialized technical personnel, with real-time monitoring systems deployed at each stage; any deviation from specifications triggers immediate alerts, enabling prompt adjustments by technicians. Additionally, the company conducts regular internal quality audits and invites industry experts for guidance to continuously refine its quality management system, guaranteeing consistent product reliability. Through its unwavering commitment to quality, the company has earned a strong market reputation and become the preferred choice for numerous clients.

    Service serves as the bridge connecting enterprises with their customers, and Shandong Changyuan Chemical has spared no effort in delivering exceptional service. The company has established a professional customer service team equipped with solid chemical engineering expertise, strong communication skills, and a strong service orientation. Whether providing pre-sales product consultations, technical guidance during sales, or post-sales issue resolution, the team responds swiftly to offer comprehensive support. For tailored solutions addressing diverse customer needs, the company forms dedicated service teams that thoroughly understand clients' production processes and practical requirements. Additionally, regular customer follow-ups are conducted to gather feedback, enabling continuous improvement of products and services. It is this customer-centric service philosophy that has enabled Shandong Changyuan Chemical to build long-term, stable partnerships with its clients, with customer satisfaction steadily increasing.

    Driven by both quality and service excellence, Shandong Changyuan Chemical has continued to grow and strengthen. Moving forward, the company will remain committed to maintaining its quality standards, enhance its service offerings, and deliver superior products and more attentive services to support the high-quality development of the chemical industry, working hand in hand

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      Packaging and Transportation  


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      Exhibition   


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      FAQ  


    Q1: What is the purity of this product, and can you provide COA?

    A1: Our product typically has a purity of ≥99.0%. We can provide a Certificate of Analysis (COA) for each batch, detailing the assay, moisture content, and other key parameters. Please refer to our attached file or contact us for a copy.

    Q2: What is your Minimum Order Quantity (MOQ) and Lead Time?

    A2: For this product, our MOQ is 1 ton. The lead time is approximately 15-20 days after order confirmation and payment. If you have a trial order, we can also offer smaller packaging.

    Q3: What is the packaging option for this chemical?

    A3: Standard packaging is barrel. We can also customize packaging according to your requirements.

    Q4: What payment terms do you accept?

    A4: We typically accept T/T (Telegraphic Transfer) and L/C at sight

    Basic Info
    Product Name:

    Butanedione

    Other Name:

    2,3-Butanedione;Biacetyl;Diacetyl;2,3-Diketobutane;Dimethyl diketone;Dimethylglyoxal;Butanedione;2,3-Butadione;2,3-Dioxobutane;NSC 8750;151677-70-2

    CAS No.:

    431-03-8

    Molecular Formula:

    C4H6O2

    InChIKeys:

    InChIKey=QSJXEFYPDANLFS-UHFFFAOYSA-N

    Molecular Weight:

    86.089

    Exact Mass:

    86.09

    EC Number:

    207-069-8

    HScode:

    2914190090

    Categories:

    Organic Reagents

    Characteristics
    PSA:

    34.14000

    XLogP3:

    -1.33

    Appearance:

    Diacetyl appears as a clear colorless liquid with a strong chlorine-like odor. Flash point 80°F. Less dense than water. Vapors heavier than air.

    Density:

    0.990 g/cm3 @ Temp: 15 °C

    Melting Point:

    -2.4 °C

    Boiling Point:

    88 °C @ Press: 760 Torr

    Flash Point:

    7.2±0.0 °C

    Refractive Index:

    1.381

    Water Solubility:

    200 g/L (20 ºC)

    Storage Conditions:

    Store in a flammable liquid storage area or approved cabinet away from ignition sources and corrosive and reactive materials. Store in tightly closed containers in a cool, well-ventilated area. Sources of ignition, such as smoking and open flames, are prohibited where butanedione is used, handled, or stored in a manner that could create a potential fire or explosion hazard. Metal containers involving the transfer of 5 gallons or more of butanedione should be grounded and bonded. Drums must be eq

    Vapor Pressure:

    52.2 mm Hg ( 20 °C)

    Vapor Density:

    3

    Toxicity:

    LD50 orally in rats: 1580 mg/kg (Jenner)

    Explosive limit:

    Explosive limits , vol% in air: 2.4-13

    Odor:

    Quinone odor; vapors have a chlorine-like odor

    Taste:

    Taste characteristics at 50 ppm: sweet, buttery, creamy and milky

    Hazard Identification

    Classification of the substance or mixture

    Flammable liquids, Category 2

    Acute toxicity - Category 4, Oral

    Skin irritation, Category 2

    Eye irritation, Category 2

    Acute toxicity - Category 4, Inhalation

    Specific target organ toxicity – repeated exposure, Category 1

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H225 Highly flammable liquid and vapour

    H302 Harmful if swallowed

    H315 Causes skin irritation

    H319 Causes serious eye irritation

    H332 Harmful if inhaled

    H372 Causes damage to organs through prolonged or repeated exposure

    Precautionary statement(s)
    Prevention

    P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.

    P233 Keep container tightly closed.

    P240 Ground and bond container and receiving equipment.

    P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment.

    P242 Use non-sparking tools.

    P243 Take action to prevent static discharges.

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

    P264 Wash ... thoroughly after handling.

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

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

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

    P260 Do not breathe dust/fume/gas/mist/vapours/spray.

    Response

    P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse affected areas with water [or shower].

    P370+P378 In case of fire: Use ... to extinguish.

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

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

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

    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.

    P317 Get medical help.

    P319 Get medical help if you feel unwell.

    Storage

    P403+P235 Store in a well-ventilated place. Keep cool.

    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, ventilation, explosion-proof electrical equipment and lighting. 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. Store in an area without drain or sewer access. Separated from : see Chemical Dangers.Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Recommended storage temperature 2 - 8 deg C. Storage class (TRGS 510): Flammable liquids.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Chemical solvents, chemical intermediates, custom chemicals

    Location:

    Room 2310, Building 1, Phase II of China Construction Jinxiu Plaza, Huaiyin District, Jinan City, Shandong Province

    Payment Terms:

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

    Average lead Time:

    25

    Total Annual Revenue:

    $2.5 million-$5 million

    Total Employees:

    5-10

    Year of Establishment:

    2022

    Certifications:

    hazardous chemicals business license,business licence

    Shandong Changyuan Chemical Co.Ltd. is mainly manufacturing and dealing in sales of fine chemical products. It was built in 2022 and mainly focuses on innovation, reseach and development. We have cooperation with many customers at home and abroad. The company has a professional production base. The main products: Acryiic acid, vinyl acetate, methyl methacrylate etc. It has been popular around. We will strive for greater success with products, prices,services and quality. Quality is our culture. 

    Shandong Changyuan Chemical Co., Ltd. is mainly engaged in the sales of fine chemical products.  The company focuses on technological innovation and research and development investment, establishes cooperative relationships with multiple well-known scientific research institutions, and continuously improves the technological content of its products. At the same time, the company has a comprehensive testing system and quality control process to ensure that products meet international standards and customer needs. In the future The company will continue to adhere to the concept of "innovation, quality, and service", continuously expand market share, and enhance brand influence.

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

    Food grade 2,3-Butanedione

    1 KG Dec 9, 2024
    Post an enquiry for this product
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