63200

Maleic anhydride

puriss., ≥99.0% (NT)

• 동의어(들): 2,5-Furandione
• 실험식(Hill 표기법): C₄H₂O₃
• CAS Number: 108-31-6
• Molecular Weight: 98.06
• Beilstein: 106909
• EC Number: 203-571-6
• MDL number: MFCD00005518
• UNSPSC 코드: 12162002
• PubChem Substance ID: 329759813
• NACRES: NA.23

속성

• vapor density: 3.4 (vs air)
• Quality Level: 200
• vapor pressure: 0.16 mmHg ( 20 °C)
• grade: puriss.
• 분석: ≥99.0% (NT)
• 형태: flakes; powder or crystals
• autoignition temp.: 870 °F
• expl. lim.: 7.1 %
• bp: 200 °C (lit.)
• mp: 51-56 °C (lit.); 52-54 °C
• SMILES string: O=C1OC(=O)C=C1
• InChI: 1S/C4H2O3/c5-3-1-2-4(6)7-3/h1-2H
• InChI key: FPYJFEHAWHCUMM-UHFFFAOYSA-N

설명

일반 설명

Maleic anhydride is a dehydration product of maleic acid that is of considerable industrial importance.

애플리케이션

Maleic anhydride has been used as a reference standard for the determination of the analyte in:

• Workplace air samples by capillary gas chromatography combined with electron capture detection (GC-ECD).

It may be used as a derivatization agent for fatty alcohol ethoxylates in:

• Industrial mixtures, cleaning products and river and sea waters by high performance liquid chromatography (HPLC) coupled with ultraviolet-visible (UV-Vis) diode array detection (DAD).

기타 정보

For the complete dissociation of enzymes into soluble subunits; For the reversible blocking of amino groups (lysine reagent); P.J.G. Butler, J.I. Harris, B.S. Hartley, R. Lebermann; For the maleylation of proteins

안전성 정보

• 픽토그램: GHS08,GHS05,GHS07
• 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: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 1
• Flash Point (°F): 217.4 °F - closed cup
• Flash Point (°C): 103 °C - closed cup
• 개인 보호 장비: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges