8.00380

Maleic acid

for synthesis

• 동의어(들): cis-Butenedioic acid, Toxilic acid
• Linear Formula: HO₂CCH=CHCO₂H
• CAS Number: 110-16-7
• Molecular Weight: 116.07
• Beilstein: 605762
• MDL number: MFCD00063177
• UNSPSC 코드: 12352106
• EC 인덱스 번호: 203-742-5
• NACRES: NA.22

속성

• vapor pressure: <0.1 hPa ( 20 °C)
• Quality Level: 200
• 분석: ≥99% (acidimetric)
• 형태: powder
• 효능: 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.)
• 벌크 밀도: 750‑800 kg/m³
• 저장 온도: 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

설명

애플리케이션

• 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).

분석 메모

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

안전성 정보

• 픽토그램: GHS05,GHS07
• 신호어: Danger
• 유해 및 위험 성명서: H302 + H312,H314,H317,H335
• 예방조치 성명서: P260 - P271 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1 - Skin Sens. 1 - STOT SE 3
• 표적 기관: Respiratory system
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1