8.00380

Maleic acid

for synthesis

• Synonim(y): cis-Butenedioic acid, Toxilic acid
• Wzór liniowy: HO₂CCH=CHCO₂H
• Numer CAS: 110-16-7
• Masa cząsteczkowa: 116.07
• UNSPSC Code: 12352106
• NACRES: NA.22
• EC Index Number: 203-742-5
• MDL number: MFCD00063177
• Beilstein/REAXYS Number: 605762
• Assay: ≥99% (acidimetric)
• Form: powder

Właściwości

• vapor pressure: <0.1 hPa ( 20 °C)
• Quality Segment: 200
• assay: ≥99% (acidimetric)
• form: powder
• potency: 708 mg/kg LD₅₀, oral (Rat), 1560 mg/kg LD₅₀, skin (Rabbit)
• pH: 1.3 (20 °C, 100 g/L in H₂O)
• mp: 130-135 °C (lit.)
• solubility: 478.8 g/L
• density: 1.59 g/mL at 25 °C (lit.)
• bulk density: 750‑800 kg/m³
• storage temp.: 2-30°C
• SMILES string: OC(=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

Opis

Application

• Food industry metabolomics: Maleic acid is identified as a key metabolite in the profiling of jelly fungi, aiding in the determination of biomarkers for different flesh colors, which is vital for quality assessment in the food industry (Ye et al., 2024).
• Chromatography device innovation: Maleic acid contributes to the design and characterization of an electrochemically-modulated membrane chromatography device, enhancing the precision and functionality of separation technologies in analytical chemistry (Röcker et al., 2024).

Analysis Note

Assay (HPLC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 130 °C
Melting range (upper value): ≤ 135 °C
Assay (acidimetric): ≥ 99.0 %
Identity (IR): passes test

Ta strona może zawierać tekst przetłumaczony maszynowo.

Informacja o środkach bezpieczeństwa

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H302 + H312,H314,H317,H335
• pcodes: P260 - P271 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• target_organs: Respiratory system
• Klasa składowania: 8A - Combustible corrosive hazardous materials
• wgk: WGK 1
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3