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Home > Organic Chemistry > Carboxylic Acids and Derivatives > Maleic anhydride for Sale > Industrial Grade CAS 108-31-6 Ma Maleic Anhydride 99.5% with Factory Price
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Industrial Grade CAS 108-31-6 Ma Maleic Anhydride 99.5% with Factory Price

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Unit Price: Get Latest Price
CAS No.:

108-31-6

Grade:

Industrial Grade

Content:

99%

Port:

QingDao

Brand:

First Chems Co., LTD

Packaging:

10.0 kg/box

Sample Available:

Yes

Price valid (until):

2026-01-01

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

Titanium dioxide,npk,pvc,sles,labsa,mdi

  • Product Details

  • Seller Information

  • Inquiry History

  • Description

    Industrial Grade CAS 108-31-6 Ma Maleic Anhydride 99.5% with Factory Price


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    Maleic anhydride, CIS butenedioic anhydride, also known as " dehydrated malic anhydride", is an acid anhydride of maleic acid. Colorless or white solid with sour taste at room temperature,

    Maleic anhydride, also known as anhydrous malic anhydride, maleic anhydride, and maleic anhydride, is the anhydride of maleic acid. It is a white crystal with a strong pungent odor at room temperature, and its chemical formula is C4H2O3

    Another name: CIS butenedioic anhydride Chemical formula: C4H2O3
    Molecular weight: 98.06 EINECS No.: 203-571-6
    Melting point: 51-56 °C (lit.) Storage: Store below +30°C.
    Vapor density  3.4 (vs air) Flashing point: 218 °F
    Vapour pressure: 0.16 mm Hg ( 20 °C) Density: 1.48
    Boiling point: 200 °C (lit.) Appearance: white solid
    Refractive index: 1.4688 (estimate) Soluble: 79 g/100 mL (25 ºC)


    C4H10 + 3.5 O2 → C4H2O3 + 4 H2O H = −1236 kJ/mol

    Usage: MALEIC anhydride is mainly used in the production of unsaturated polyester resin, alkyd resin, pesticide Malathion, high-efficiency low-toxicity pesticide 4049, long-acting iodomine raw materials. It is also a copolymer monomer of paint, maleic Rosin, polymaleic anhydride and Maleic anhydride-styrene copolymer. It is also an organic chemical raw material for producing ink assistant, paper assistant, plasticizer, tartaric acid, fumaric acid, oxolane and so on.

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    ​Company profile


            We have many years of professional experiences and a professional team of scientists and advanced equipments.  Nowadays we formed a large varieties large scale, complete categories and high technology content product chain.  Our quality system has been accredited by SGS and our quality center guarantees quality with full documentation control and complete facilities

    Based on the good quality, pretty competitive price and safe delivery our products are widely exported to many different countries, like Netherlands, Spain, UK, USA and so on.  And our products are highly recognized by customers around the world, so we can build long-term cooperative relationship with many pharmaceutical enterprises in the world.  We upload the principles of openness and transparency and dedicated to provide efficient and high quality services to every customer.  We are sincerely looking forward to establishing a long-term stable and win-win business relationship with every customer.

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    Packing and Shipping

     
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    FAQ




    Q: How to order this product?

    A: You can click "contact now" , and send us a inquiry, leave your number if possible, we will contact with you as soon as possible, then we can talk order details.



    Q: How long can I receive my ordered goods?

    A: We ship by express door to door;  you can receive it in 7-10 days.



    Q: What liquid should I add into the vial?  And how much liquid needed?

    A: You can add sterile water or saline, 1 vial add 1ml liquid is ok.



    Q: Will I have any side effects after using peptide?

    A: If you just begin to use, it is better to follow doctor's prescription.  And if there is no allergy or any uncomfortable symptom, you can continue to use but take it in a suitable dosage.  A few people will have slight allergy reaction, but after your body get used to it, the allergy will be disappear and back to normal.



    Q: How to store it?

    A: If it hasn't been opened, just put it in cool dry place, if it is opened, you may put it in cold storage for 2-5 degree condition.

    Packing and Shipping

    ECHEMI Editorial Reference
    Colorless needles, white lumps, or pellets with an irritating, choking odor.

    Certificates

    Basic Info
    Product Name:

    Maleic anhydride

    Other Name:

    2,5-Furandione;Maleic anhydride;cis-Butenedioic anhydride;Maleic acid anhydride;Toxilic anhydride;Dihydro-2,5-dioxofuran;BM 10;Nourymix MA 901;Crystal Man;Crystal Man AB;NSC 137651;NSC 137652;NSC 137653;NSC 9568;HG 3-993-76;M 188;2,5-Dihydrofuran-2,5-dione;SY-A;WS 8201;GR 216;A 1018;Baolilong A 1018;HA 59;184288-31-1;1190407-73-8;1229972-04-6;1380217-40-2

    CAS No.:

    108-31-6

    UN No.:

    2215

    Molecular Formula:

    C4H2O3

    InChIKeys:

    InChIKey=FPYJFEHAWHCUMM-UHFFFAOYSA-N

    Molecular Weight:

    98.05688

    Exact Mass:

    98.06

    BRN:

    106909

    EC Number:

    203-571-6

    HScode:

    2917140000

    Characteristics
    PSA:

    43.37000

    XLogP3:

    -0.37

    Appearance:

    White powder

    Density:

    1.48 g/cm3

    Melting Point:

    52.8 °C

    Boiling Point:

    202.0 °C @ Press: 760 Torr

    Flash Point:

    218 °F

    Refractive Index:

    1.515

    Water Solubility:

    H2O: 79 g/100 mL (25 ºC)

    Storage Conditions:

    Store at RT.

    Vapor Pressure:

    0.16 mm Hg ( 20 °C)

    Vapor Density:

    3.4 (vs air)

    Toxicity:

    Oral-rat LD50: 708 mg/kg; Oral-Mouse LD50: 2400 mg/kg

    Flammability characteristics:

    Flammable; spicy and irritating smoke is released from the fire

    Explosive limit:

    1.4-7.1%(V)

    Odor:

    Pungent odor

    PH:

    pH of water solutions: 2.42 at 1X10-2 M; 2.62 at 5X10-3 M; 3.10 at 1X10-4 M

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 4, Oral

    Skin corrosion, Sub-category 1B

    Serious eye damage, Category 1

    Skin sensitization, Sub-category 1A

    Respiratory sensitization, Category 1

    Specific target organ toxicity – repeated exposure, Category 1

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H302 Harmful if swallowed

    H314 Causes severe skin burns and eye damage

    H317 May cause an allergic skin reaction

    H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled

    H372 Causes damage to organs through prolonged or repeated exposure

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

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

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

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

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

    P272 Contaminated work clothing should not be allowed out of the workplace.

    P284 [In case of inadequate ventilation] wear respiratory protection.

    Response

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

    P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

    P363 Wash contaminated clothing before reuse.

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

    P316 Get emergency medical help immediately.

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

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

    P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    P317 Get medical help.

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

    P333+P317 If skin irritation or rash occurs: Get medical help.

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

    P342+P316 If experiencing respiratory symptoms: Get emergency medical help immediately.

    P319 Get medical help if you feel unwell.

    Storage

    P405 Store locked up.

    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. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. 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

    Dry. Separated from strong oxidants, strong bases and food and feedstuffs.Keep container tightly closed in a dry and well-ventilated place. Moisture sensitive. Storage class (TRGS 510): Non-combustible, corrosive hazardous materials

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Titanium dioxide,npk,pvc,sles,labsa,mdi

    Location:

    37 Keji Road, Yanta District, Xi 'an City, Shaanxi Province

    Payment Terms:

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

    Average lead Time:

    15 days

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    Less than 5

    Year of Establishment:

    2020

    COMPANY OVERVIEW

    First Chems Co., LTD,a joint-stock enterprise with production, export and services of chemicals, has widely adopted world-advanced equipments and management system, and our products quality is assured under the ISO9001 and ISO14001 standards, mainly specializes in developing Agriculture/Fertilizer chemicals series, Washing detergent chemicals series, Soda alkali chemicals series, Water treatment chemical series, etc.

    Our main products include:

    a. Agriculture/Feed chemicals series : Zinc Sulphate, Manganese sulfate etc.), 

    b. Washing detergent chemicals series : (LABSA, SLES, CEDA,STPP, etc.)

    c.  Soda alkali chemicals series : ( Caustic Soda , Sodium Sulphate Anhydrous etc.) 

    d. Water treatment chemical series: (Calcium hypochlorite, TCCA,SDIC, PAC- poly aluminium chloride, PFS, Aluminium sulfate etc.) 

    e. Adsorbent Desiccant Activated Alumina Ball

    f.  Raw material Calcium Aluminate ,Aluminium Hydroxide

  • Inquiry History
    222 Inquiries
    Country Product Purchase Quantity Date Posted
    Japan

    Inquiry for Maleic Anhydride (Biobased) – CAS No. 108-31-6

    1 20' Fcl Jan 23, 2026
    India

    Maleic Anhydride 108-31-6

    250 MT Oct 27, 2023
    Egypt

    maleic anhydride bulk 99% white powder CAS 108-31-6 C4H2O3 maleic anhydride

    25 MT Nov 1, 2023
    Colombia

    Maleic Anhydride

    1 KG Aug 26, 2025
    United States

    Maleic anhydride

    100 TON Jun 14, 2024
    India

    Maleic Anhydride (Molten) 

    20.00 KG May 20, 2025
    India

    Maleic Anhydride (Molten)  

    200.00 KG Jun 1, 2025
    India

    Maleic Anhydride (Molten) 

    10.00 KG May 17, 2025
    India

    Maleic Anhydride (Molten) 

    30.00 KG May 22, 2025
    Pakistan

    Maleic Anhydride

    1.00 MT Jul 30, 2024
    India

    Maleic Anhydride

    20.00 MT Feb 18, 2024
    India

    Maleic Anhydride

    20.00 MT Feb 21, 2024
    India

    Maleic Anhydride

    1.00 MT Feb 26, 2024
    United Kingdom

    Maleic Anhydride

    1.00 MT Nov 6, 2024
    Austria

    Maleic Anhydride (Molten)

    100.00 KG Jun 7, 2025
    Qatar

    Maleic Anhydride

    40.00 TON May 23, 2024
    Bangladesh

    Maleic Anhydride

    20 MT Sep 15, 2026
    India

    Maleic Anhydride

    15.00 MT Jan 31, 2024
    Malaysia

    MALEIC ANHYDRIDE

    300 MT Jan 29, 2025
    Hongkong, China

    Maleic anhydride

    250 MT Oct 19, 2026
    Post an enquiry for this product
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