2,3-Butanedione monoxime

• Catalog No.: 31550
• CAS Number: 57-71-6
• M. F.: C4H7NO2
• M. W.: 101.10388
• Purity: ≥99.0% (N)

SYNONYMS

• Title: 2,3-丁二酮一肟
• IUPAC name: 3-(hydroxyimino)butan-2-one
• IUPAC Traditional name: 2,3-butanedione monoxime
• Synonyms: 联乙酰一肟; Biacetyl monoxime; BDM; 二乙酰一肟; Diacetyl monoxime

DATABASE IDS

• EC Number: 200-348-5
• Beilstein Number: 605582
• MDL Number: MFCD00002116
• PubChem SID: 24858995
• CAS Number: 57-71-6

PROPERTIES

• Ignition Residue: ≤0.05% (as SO4)
• Linear Formula: CH3C(=NOH)COCH3
• Purity: ≥99.0% (N)
• Purity: ≥99.0%
• Quality: for spectrophotometric det. of urea
• Boiling Point: 185-186 °C(lit.)
• Melting Point: 75-76 °C
• Melting Point: 75-78 °C(lit.)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: EK3150000
• German water hazard class: 3

DETAILS

Description (English)

Analysis Note
Solubility:0.5 g are completely soluble and give a clear solution in 10 mL water or also in 10 mL ethanol.Sensitivity test:0.05 mg urea in 3 mL water and 5 mL conc. HCl together with a 3% solution in water of diacetylmonoxime heated on a water bath for 10 minutes give a light yellow color.
Other Notes
Reagent for the colorimetric determination of urea and ureido-compounds1; Spectrometric reagent for Co(II), Ni(II), Pd(II) and Re(VII)2; Reagent for the gravimetric determination of Ni(II)3

Description (简体中文)

Analysis Note
溶解度：0.5g 本品加入到 10mL 水或者 10mL 乙醇中，可以形成澄清溶液。灵敏性测试：将溶于 3mL 水和 5mL 浓盐酸的 0.05mg 尿素与 3% 的二乙酰单肟水溶液在水浴上加热 10 分钟，颜色呈淡黄色。
Other Notes
用于比色法测定脲和脲基化合物的试剂1；用于光谱法测定 Co(II)、Ni(II)、Pd(II) 和 Re(VII) 的试剂2；用于重量分析法测定 Ni(II) 的试剂3