8.00592

邻苯二甲酸酐

for synthesis

• 别名: 邻苯二甲酸酐
• 经验公式（希尔记法）: C₈H₄O₃
• CAS号: 85-44-9
• 分子量: 148.12
• MDL號碼: MFCD00005918
• 分類程式碼代碼: 12352115
• 酶委員會索引編號: 201-607-5
• NACRES: NA.22

属性

• 蒸汽壓力: <0.01 hPa ( 20 °C)
• 品質等級: 200
• 形狀: crystals
• 自燃溫度: 580 °C
• 效力: 1530 mg/kg LD₅₀, oral (Rat); >3160 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 1.7-10.5 % (v/v)
• pH值: 2 (20 °C, 6 g/L in H₂O)
• bp: 285 °C/1013 hPa
• mp: 131 °C
• 轉變溫度: flash point 152 °C
• 溶解度: 6 g/L (slow decomposition)
• 密度: 1.527 g/cm³ at 20 °C
• 體積密度: 500‑700 kg/m³
• 儲存溫度: no temp limit
• InChI: 1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H
• InChI 密鑰: LGRFSURHDFAFJT-UHFFFAOYSA-N

说明

應用

<ul>
<li><strong>Antibacterial and cytotoxic activity of chitosan derivatives:</strong>Phthalic anhydride-modified chitosan derivatives exhibit significant antibacterial and cytotoxic properties, suggesting their potential application in medical and pharmaceutical products (Sousa et al., 2024).</li>
<li><strong>Heterodinuclear Polymerization Catalysts:</strong> Research identified Al(III)/K(I) polymerization catalysts that utilize phthalic anhydride for producing high-quality polyester polyols, offering advancements in polymer synthesis technology (Shellard et al., 2024).</li>
<li><strong>Advanced epoxy vitrimers:</strong> Phthalic anhydride was used in the design and synthesis of advanced epoxy vitrimers with enhanced glass transition temperatures, important for applications requiring high-performance thermoset polymers (Dai et al., 2023).</li>
<li><strong>Sustainable alkyd resins:</strong> The utilization of phthalic anhydride in the production of alkyd resins from bio-based resources represents a significant move towards more sustainable and environmentally friendly coating applications (Dizman and Cerrahoglu Ka and ccedil;akgil, 2023).</li>
</ul>

分析報告

含量测定（吗啉法）： ≥ 98,0 %(m)
熔程（下限值）： ≥ 129 °C
熔程（上限值）： ≤ 133 °C
鉴别（IR）：符合

安全信息

• 象形圖: GHS08,GHS05,GHS07
• 訊號詞: Danger
• 危險聲明: H302,H315,H317,H318,H334,H335
• 防範說明: P261 - P280 - P301 + P312 - P302 + P352 - P304 + P340 + P312 - P305 + P351 + P338
• 危險分類: Acute Tox. 4 Oral - Eye Dam. 1 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• 標靶器官: Respiratory system
• 儲存類別代碼: 8A - Combustible corrosive hazardous materials
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: 305.6 °F - DIN 51758
• 閃點（°C）: 152 °C - DIN 51758