50296
熔点标准品 47-49°C
analytical standard
别名:
二苯甲酮, NSC 8077, 二苯基甲酮, 二苯基酮
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关于此项目
线性分子式:
(C6H5)2CO
化学文摘社编号:
分子量:
182.22
UNSPSC Code:
20121904
NACRES:
NA.24
PubChem Substance ID:
EC Number:
204-337-6
Beilstein/REAXYS Number:
1238185
MDL number:
产品名称
熔点标准品 47-49°C, analytical standard
InChI key
RWCCWEUUXYIKHB-UHFFFAOYSA-N
InChI
1S/C13H10O/c14-13(11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H
SMILES string
O=C(C1=CC=CC=C1)C2=CC=CC=C2
grade
analytical standard
vapor pressure
1 mmHg ( 108 °C)
shelf life
limited shelf life, expiry date on the label
bp
305 °C (lit.)
mp
47-49 °C (±0.3°C)
47-51 °C (lit.)
application(s)
food and beverages
pharmaceutical
format
neat
Quality Level
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Application
47-49 °C熔点标准品苯甲酮是一种熔点校准标准品，用于物理化学表征。
Features and Benefits
- 可追溯至基准物质（LGC, London）
- 等级: 分析标准品d
- 熔点在热力学分析模式下标准化
- 标准偏差达 ± 0.3 °C
- 可提供分析证书和安全数据表。
General description
47-49 °C熔点标准品二苯甲酮等分析标准品有助于鉴定化合物或确定其纯度。熔点值是采用以基准物质校准的 Büchi B-545 仪器平均测量 6 到 12 次来确定。熔点采用欧洲药典（2.2.14.）所述的毛细管法测定。
这种物质被列入EU第10/2011号法规中用于与食品接触的塑料的正面清单。在此查找10/2011中列出的化合物的所有可用参考材料
signalword
Danger
hcodes
Hazard Classifications
Aquatic Chronic 3 - Carc. 1B - STOT RE 2 Oral
target_organs
Liver,Kidney
存储类别
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 1
flash_point_f
280.4 °F - closed cup
flash_point_c
138 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Gloves
Green procedure for the preparation of scented alcohols from carbonyl compounds
Villa C, et al.
International Journal of Cosmetic Science (2008)
Comparative toxicity related to metabolisms of benzophenone-type UV filters, potentially harmful to the environment and humans
Jeon, Hee-Kyung
Molecular & Cellular Toxicology (2017)
Real-time imaging of melting and crystallization in poly (ethylene oxide) by atomic force microscopy.
Pearce R and Vancso J G.
Polymer, 39(5), 1237-1242 (1998)
Haidong Li et al.
Talanta, 99, 811-815 (2012-09-13)
Benzophenone is one of the most commonly used photoinitiators of UV-cured inks on food packaging materials and can migrate into foodstuffs. In this study, an amperometric benzophenone sensor based on molecularly imprinted polymer (MIP) was successfully constructed for the first
L L Barnkob et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 30(2), 395-402 (2012-11-17)
The aim of this study was to investigate the effect of relative humidity on the migration of benzophenone from paperboard into the food simulant Tenax®. Kinetic migration investigations were carried out with three relative humidities in the interval between 39%
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