Maleic acid

- Overview
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- Properties
  - Categories
    
    Organic Acids and Bases; pH Buffer Solutions
    
    Alternative Name
    
    cis-Butenedioic acid; Toxilic acid; (2E)-but-2-enedioic acid; (2Z)-2-Butenedioic acid; (2Z)-Butene-2-dioic acid; (2Z)-but-2-enedioic acid; (Z)-2-Butenedioic acid; (Z)-Butenedioic acid; 1,2-Ethylene dicarboxylic acid; 2-Butenedioic acid (2Z)-; 2-Butenedioic acid (Z)-; 2-Butenedioic acid, 2-Butenedioic acid; Acide maleique; Acido Maleico; Cis-Butenedioic acid; Maleinic Acid; Maleinsaeure; Malenic acid; Malezid CM; Methylidenepropanedioic Acid; Na 2215; Scotchbond Multipurpose Etchant; cis-1,2-Ethylenedicarboxylic acid; cis-2-Butenedioic acid
    
    CAS Number
    
    110-16-7
    
    Molecular Formula
    
    C4H4O4
    
    Molecular Weight
    
    116.07
    
    Appearance
    
    White to almost white crystalline powder
    
    Purity
    
    99.0 - 101.0 % (dried substance)
    
    Other Properties
    
    Appearance of Solution: 5% in water: Clear, colour ≤Y7
    CAS RN: 110-16-7
    EC Number: 203-742-5
    Fumaric acid: ≤ 1.5%
    Heavy Metals (as Pb): ≤ 10ppm
    Identification: According to BP, Ph. Eur.
    Iron (Fe): ≤ 5ppm
    Signal word: Warning
    Sulphated Ash: ≤ 0.1%
    WGK: WGK 1
    Water: ≤ 2.0%
    
    Storage
    
    +20°C
    
    SMILES
    
    O=C(O)/C=C\C(=O)O
    
    InChi
    
    1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-
    
    InChi Key
    
    VZCYOOQTPOCHFL-UPHRSURJSA-N
    
    MDL Number
    
    MFCD00063177
    
    Hazard Information
    
    • H Statements:
    H302: Harmful if swallowed.
    H315: Causes skin irritation.
    H317: May cause an allergic skin reaction.
    H319: Causes serious eye irritation.
    H335: May cause respiratory irritation.
    
    • P Statements:
    P261: Avoid breathing dust, fumes, gas, mist, vapours, spray. [As modified by IV ATP].
    P280: Wear protective gloves/protective clothing/eye protection/face protection.
    P301+P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
    P302+P350: [Deleted by IV ATP].
    P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.
    
    * For Research Use Only.

MSDS

Maleic acid

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