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Merck
CN

250988

2,5-二溴甲苯

98%

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关于此项目

线性分子式:
CH3C6H3Br2
化学文摘社编号:
分子量:
249.93
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
210-437-0
MDL number:
Assay:
98%
Form:
liquid
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Quality Level

assay

98%

form

liquid

refractive index

n20/D 1.602 (lit.)

bp

135-136 °C/35 mmHg (lit.)

mp

5-6 °C (lit.)

density

1.815 g/mL at 25 °C (lit.)

functional group

bromo

SMILES string

Cc1cc(Br)ccc1Br

InChI

1S/C7H6Br2/c1-5-4-6(8)2-3-7(5)9/h2-4H,1H3

InChI key

QKEZTJYRBHOKHH-UHFFFAOYSA-N

Application

2,5-Dibromotoluene has been used:
  • as internal standard for quantification of cyanide and thiocyanate in human saliva by GC-MS
  • in the preparation of 2,5-bis(4′-alkoxycarbonylphenyl)styrenes, monomers required for the synthesis of mesogen-jacketed liquid-crystal polymers


pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

存储类别

10 - Combustible liquids

wgk

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

法规信息

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分析证书(COA)

Lot/Batch Number

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Buddha D Paul et al.
Journal of analytical toxicology, 30(8), 511-515 (2006-11-30)
A method is described for simultaneous determination of cyanide (CN) and thiocyanate (SCN) in human saliva, or oral fluid. SCN concentrations in body fluids appeared to be important in classifying patients as smokers or nonsmokers, in determining some clinical conditions
Synthesis and characterization of mesogen-jacketed liquid-crystal polymers based on 2, 5-bis (4'-alkoxyphenyl) styrene.
Yu Z, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 41(10), 1454-1464 (2003)
Ekaterina A Dolgopolova et al.
Journal of the American Chemical Society, 141(13), 5350-5358 (2019-03-07)
Electronic structure modulation of metal-organic frameworks (MOFs) through the connection of linker "wires" as a function of an external stimulus is reported for the first time. The established correlation between MOF electronic properties and photoisomerization kinetics as well as changes



全球贸易项目编号

货号GTIN
250988-25G04061837071928
250988-5G04061837071935