邻二 甲 苯
邻 | |
---|---|
IUPAC 1,2-Xylene[1] | |
1,2-Dimethylbenzene[1] 1,2- | |
别名 | 邻二 |
识别 | |
CAS |
95-47-6 |
SMILES |
|
RTECS | ZE2450000 |
C8H10 | |
106.16 g·mol⁻¹ | |
无色 | |
熔点 | -24 °C(249 K) |
144.4 °C(418 K) | |
0.2 g/L (20℃)[2] | |
7 mmHg (20°C)[2] | |
D |
1.50545 |
黏度 | 11.049 cP, 0 ℃ 8.102 cP, 20 ℃ |
结构 | |
偶极 |
0.64 D[3] |
危险 | |
GHS危险 | |
GHS |
Danger |
H-术语 | H225, H226, H304, H312, H312, H315, H319, H332, H335, H412 |
P-术语 | P210, P233, P240, P241, P242, P243, P261, P264, P271, P273, P280, P301+310, P302+352, P303+361+353 |
NFPA 704 | |
0.9%-6.7%[2] | |
PEL | TWA 100 ppm (435 mg/m3)[2] |
TLV | {{{TLV}}}, 100 ppm[4] (TWA), 150 ppm[4] (STEL) |
LCLo(
|
6125 ppm (rat, 12 hr) 6125 ppm (human, 12 hr)[5] |
间 | |
邻
6H
4(CH
3)
2。它是
生 产和用 处
[编辑]邻二甲苯被大量用来制造苯酐,
- C6H4(CH3)2 + 2 Br2 → C6H4(CH2Br)2 + 2 HBr
毒性 和 暴露
[编辑]参 见
[编辑]参考 资料
[编辑]- ^ 1.0 1.1 Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014: 121, 139, 653. ISBN 978-0-85404-182-4. doi:10.1039/9781849733069.
- ^ 2.0 2.1 2.2 2.3 NIOSH Pocket Guide to Chemical Hazards. #0668. NIOSH.
- ^ Rudolph, H.D.; Walzer, K.; Krutzik, Irmhild. Microwave spectrum, barrier for methyl rotation, methyl conformation, and dipole moment of ortho-xylene. Journal of Molecular Spectroscopy. 1973, 47 (2): 314. Bibcode:1973JMoSp..47..314R. doi:10.1016/0022-2852(73)90016-7.
- ^ 4.0 4.1 o-Xylene. International Chemical Safety Cards. ICSC/NIOSH. July 1, 2014 [2021-10-13]. (
原始 内容 存 档于2018-06-27). - ^ Xylene (o-, m-, p-isomers). Immediately Dangerous to Life and Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
- ^ 6.0 6.1 6.2 Fabri, Jörg; Graeser, Ulrich; Simo, Thomas A., Xylenes, Ullmann's Encyclopedia of Industrial Chemistry, Weinheim: Wiley-VCH, 2005, doi:10.1002/14356007.a28_433
- ^ Emily F. M. Stephenson. o-Xylylene Dibromide. Organic Syntheses. 1954, 34: 100. doi:10.15227/orgsyn.034.0100.
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