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Merck

144991

Sigma-Aldrich

1,7-二溴庚烷

97%

别名:

溴化七亚甲基

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About This Item

线性分子式:
Br(CH2)7Br
CAS号:
分子量:
257.99
Beilstein:
1734575
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22

化驗

97%

形狀

liquid

折射率

n20/D 1.503 (lit.)

bp

255 °C (lit.)

密度

1.51 g/mL at 25 °C (lit.)

官能基

bromo

SMILES 字串

BrCCCCCCCBr

InChI

1S/C7H14Br2/c8-6-4-2-1-3-5-7-9/h1-7H2

InChI 密鑰

LVWSZGCVEZRFBT-UHFFFAOYSA-N

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應用

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.

象形圖

Skull and crossbones

訊號詞

Danger

危險聲明

危險分類

Acute Tox. 2 Oral

儲存類別代碼

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

水污染物質分類(WGK)

WGK 3

閃點(°F)

235.4 °F - closed cup

閃點(°C)

113 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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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