144991
1,7-二溴庚烷
97%
别名:
溴化七亚甲基
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关于此项目
线性分子式:
Br(CH2)7Br
化学文摘社编号:
分子量:
257.99
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
224-910-4
Beilstein/REAXYS Number:
1734575
MDL number:
产品名称
1,7-二溴庚烷, 97%
InChI key
LVWSZGCVEZRFBT-UHFFFAOYSA-N
InChI
1S/C7H14Br2/c8-6-4-2-1-3-5-7-9/h1-7H2
SMILES string
BrCCCCCCCBr
assay
97%
form
liquid
refractive index
n20/D 1.503 (lit.)
bp
255 °C (lit.)
density
1.51 g/mL at 25 °C (lit.)
functional group
bromo
Quality Level
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Application
1,7-Dibromoheptane was used in the synthesis of random thermotropic liquid crystalline copolyether and ternary copolyether. It was also used in the synthesis of thermotropic liquid crystalline dendrimer exhibiting a nematic phase.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 2 Oral
存储类别
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
235.4 °F - closed cup
flash_point_c
113 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
新产品
此项目有
Functional polymers and sequential copolymers by phase transfer catalysis. 24. The influence of molecular weight on the thermotropic properties of a random copolyether based on 1, 5-dibromopentane, 1, 7-dibromoheptane, and 4, 4'-dihydroxy-a-methylstilbene.
Percec V, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 25(7), 1943-1965 (1987)
Liquid crystalline polyethers based on conformational isomerism. 6. Influence of copolymer composition of a ternary copolyether based on 1-(4-hydroxyphenyl)-2-(2-methyl-4-hydroxyphenyl) ethane, 1, 5-dibromopentane, 1, 7-dibromoheptane, and 1, 9-dibromononane on its mesomorphic phase transitions.
Percec V and Tsuda Y.
Macromolecules, 23(1), 5-12 (1990)
Synthesis and characterization of a thermotropic nematic liquid crystalline dendrimeric polymer.
Percec V and Kawasumi M.
Macromolecules, 25(15), 3843-3850 (1992)
Yuan-Ping Pang et al.
PloS one, 4(2), e4349-e4349 (2009-02-06)
Aphids, among the most destructive insects to world agriculture, are mainly controlled by organophosphate insecticides that disable the catalytic serine residue of acetylcholinesterase (AChE). Because these agents also affect vertebrate AChEs, they are toxic to non-target species including humans and
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