8.00408

Maleic anhydride

for synthesis

• 동의어(들): Maleic anhydride, 2,5-Furanedione
• 실험식(Hill 표기법): C₄H₂O₃
• CAS Number: 108-31-6
• Molecular Weight: 98.06
• MDL number: MFCD00005518
• UNSPSC 코드: 12352106
• EC 인덱스 번호: 203-571-6
• NACRES: NA.22

속성

• vapor pressure: 1.33 hPa ( 44 °C)
• Quality Level: 200
• 양식: solid
• autoignition temp.: 475 °C (DIN 51794)
• 효능: 1090 mg/kg LD₅₀, oral (Rat); 2620 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 1.4-7.1 % (v/v)
• pH: 0.8 (20 °C, 550 g/L in H₂O, Hydrolysis)
• bp: 202 °C/1013 hPa
• mp: 51-53 °C
• 전이 온도: flash point 103 °C
• density: 1.32 g/cm³ at 55 °C
• 벌크 밀도: 700‑800 kg/m³
• 저장 온도: 2-30°C
• InChI: 1S/C4H2O3/c5-3-1-2-4(6)7-3/h1-2H
• InChI key: FPYJFEHAWHCUMM-UHFFFAOYSA-N

설명

애플리케이션

• Chemical modification of polypropylene by maleic anhydride: This study explored the application of maleic anhydride (MAH) for modifying the properties of polypropylene through melt grafting. The findings reveal how variations in the concentration of MAH influence the polymer′s properties (Ebadi-Dehaghani et al., 2014).
• Renewable production of phthalic anhydride: A study on the synthesis of phthalic anhydride from biomass-derived furan and maleic anhydride, highlighting an eco-friendly pathway for producing a widely used industrial chemical (Mahmoud et al., 2014).
• Enhancement of biopolymer properties: Research on using maleic anhydride as a compatibilizer in natural fiber-reinforced poly(lactic acid) composites, which demonstrates the improvements in mechanical and thermal properties of the composites (Yu et al., 2014).
• Application in electrical property enhancement: This article reports on the application of maleic anhydride grafted polypropylene which significantly enhances the material′s electrical properties, potentially applicable in various advanced electronics and engineering fields (Zhou et al., 2016).

분석 메모

Assay (morpholine method): ≥ 99,0 %(m)
Melting range (lower value): ≥ 51 °C
Melting range (upper value): ≤ 54 °C
Identity (IR): conforms

안전성 정보

• 픽토그램: GHS05,GHS07,GHS08
• 신호어: Danger
• 유해 및 위험 성명서: H302 - H314 - H317 - H334 - H372
• 예방조치 성명서: P260 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1A - STOT RE 1 Inhalation
• 표적 기관: Respiratory system
• 보충제 위험성: EUH071
• Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 1
• Flash Point (°F): 217.4 °F
• Flash Point (°C): 103 °C