Detail of "40487-93-2"
- CAS Number:
- 40487-93-2
- Name:
Hydrazine,(cyclopropylmethyl)-
- Superlist Name:
- (Cyclopropylmethyl)hydrazine
- Molecular Structure:
- Formula:
- C4H10N2
- Molecular Weight:
- 86.14
- Synonyms:
- (Cyclopropylmethyl)hydrazine;
- Density:
- 0.992 g/cm3
- Boiling Point:
- 176.1 °C at 760 mmHg
- Flash Point:
- 66.1 °C
Hydrazine,(cyclopropylmethyl)-
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Reference
- The cyclopropylmethyl free-radical clock
- The cyclopropylmethyl free-radical clock. Calibration for the 30-89° C range. Mathew, L.; Warkentin, J. (Dep. Chem., McMaster Univ.Chemical with cas number 104877-20-5 also plays role., Hamilton, ON L8S 4M1, Can.). J. Am. Chem. Soc., 108(25), 7981-4 (English) 1986. CODEN: JACSAT. ISSN: 0002-7863. DOCUMENT TYPE: Journal CA Section: 22 (Physical Organic Chemistry) The Arrhenius equation for the ring-opening isomerization of cyclopropylmethyl radical (I) to 3-buten-1-yl radical (II) at 303-362 K was detd. by the anal. of cyclopropylmethyl 1-hydroxy-1-methylethyl diazene in the presence of excess 1,1,3,3-tetramethylisoindolin-2-yloxyl (III). Rate consts. for the coupling of I with III were assumed to be proportional to diffusion-controlled rate consts. (kd) and rate consts. (ki) for the isomerization were calcd. from cor. kd and the ratio of the coupling products of I with III to those for II with III. The temp. dependence of ki detd. in this study is significantly different from that detd. by ESR at 128-153 K. .