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
等级
analytical standard
质量水平
蒸汽压
1 mmHg ( 108 °C)
保质期
limited shelf life, expiry date on the label
沸点
305 °C (lit.)
mp
47-49 °C (±0.3°C)
47-51 °C (lit.)
应用
food and beverages
pharmaceutical
包装形式
neat
SMILES字符串
O=C(C1=CC=CC=C1)C2=CC=CC=C2
InChI
1S/C13H10O/c14-13(11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H
InChI key
RWCCWEUUXYIKHB-UHFFFAOYSA-N
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一般描述
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
应用
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。
特点和优势
- 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。
警示用语：
Danger
危险声明
危险分类
Aquatic Chronic 3 - Carc. 1B - STOT RE 2 Oral
靶器官
Liver,Kidney
储存分类代码
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 1
闪点(°F)
280.4 °F - closed cup
闪点(°C)
138 °C - closed cup
个人防护装备
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)
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)
Comparative toxicity related to metabolisms of benzophenone-type UV filters, potentially harmful to the environment and humans
Jeon, Hee-Kyung
Molecular & Cellular Toxicology (2017)
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%
Feifan Yu et al.
PloS one, 8(2), e56597-e56597 (2013-02-21)
Affinity proteins binding to antibody constant regions have proved to be invaluable tools in biotechnology. Here, protein engineering was used to expand the repertoire of available immunoglobulin binding proteins via improvement of the binding strength between the widely used staphylococcal
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