8.02650

Crotonic acid

for synthesis

• 동의어(들): Crotonic acid, ß-Methylacrylic acid, 2-Butenoic acid
• Linear Formula: CH₃CH=CHCOOH
• CAS Number: 107-93-7
• Molecular Weight: 86.09
• MDL number: MFCD00002701
• UNSPSC 코드: 12352106
• EC 인덱스 번호: 203-533-9
• NACRES: NA.22

속성

• vapor pressure: 0.25 hPa ( 20 °C)
• Quality Level: 200
• 분석: ≥99.0% (GC)
• 형태: crystals
• autoignition temp.: 500 °C
• 효능: 1000 mg/kg LD₅₀, oral (Rat); 600 mg/kg LD₅₀, skin (Rabbit)
• pH: 3 (20 °C, 10 g/L in H₂O)
• bp: 185.0-199.5 °C/1013 hPa
• mp: 70-73 °C
• 전이 온도: flash point 90 °C
• density: 1.02 g/cm³ at 20 °C
• 벌크 밀도: 543 kg/m³
• 저장 온도: 2-30°C
• InChI: 1S/C4H6O2/c1-2-3-4(5)6/h2-3H,1H3,(H,5,6)/b3-2+
• InChI key: LDHQCZJRKDOVOX-NSCUHMNNSA-N

설명

분석 메모

Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 70 °C
Melting range (upper value): ≤ 73 °C
Identity (IR): passes test

안전성 정보

• 픽토그램: GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H318
• 예방조치 성명서: P280 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1
• Storage Class Code: 8A - Combustible, corrosive hazardous materials
• WGK: WGK 2
• Flash Point (°F): 190.4 °F - closed cup
• Flash Point (°C): 88 °C - closed cup