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二氧化硒

产品编号 S110872 | CAS号 7446-08-4 | Aladdin
Selenium dioxide
99.999% metals basis
组合的产品项目
货号 规格 库存 价格 数量
S110872-100g 99.999% metals basis 上海(1)
北方(预计3-5个工作日)
 
S110872-25g 99.999% metals basis 上海(7)
北方(预计3-5个工作日)
 
S110872-5g 99.999% metals basis 上海(>10)
北方(预计3-5个工作日)
 
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属性

敏感性 易吸潮
密度 3.9500
熔点 315°C
存贮条件 密封保存。

描述

产品介绍 味酸并有灼烧感。其蒸气显黄绿色,并带辛辣味,对光及热稳定,能溶于水、醇、丙酮和乙酸。易吸收干燥氟化氢、氯化氢、溴化氢和碘化氢生成卤化硒。二氧化硒是一种强氧化剂,可被SO2、H2、NH3、CO、C还原成单质硒。
别名 亚硒酐;氧化硒;无水亚硒酸;Selenium oxide; Selenious anhydride; Selenious acid anhydride
应用 制造其他硒化合物,生物碱检定,氧化剂。与氨反应生成氮和硒,在醇溶液中则生成亚硒酸乙基铵[NH4(C2H5)SeO3],与肼生成氮和黑色无定形硒,与盐酸羟胺生成氮和红棕色无定形硒,与硝酸生成亚硒酸。
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标识符号 GHS06 GHS06, GHS08 GHS08, GHS09 GHS09
信号词 Danger
风险声明 (欧洲) R33;R23/24/25;R50/53
安全声明(欧洲) S20/21;S45;S61;S28A
警示性声明 P261,P273,P311,P501
危害码(欧洲) T,N
危害声明 H302,H331,H373,H410
个人防护设备 Eyeshields,Faceshields,full-face respirator (US),Gloves,multi-purpose combination respirator cartridge (US),type ABEK (EN14387) respirator filter
WGK德国 2
是否危化品 一般危险品
UN代码 3283
参考文献
James N Newton, Daniel F Fischer, Richmond Sarpong
We're sorry this abstract is currently not available....Read More
Zhangrong Lou, Peng Li, Qiang Pan, Keli Han
Based on a novel strategy for modulating the fluorescence of selenide and selenoxide, we have designed and developed a reversible fluorescent probe for hypochloric acid. And the synthesis, characteriz...Read More
Z T Zhang, Z R Yang, L Li, L S Ling, C J Zhang, L Pi, Y H Zhang
We report on the investigation of Co and Cu substitution effects on superconductivity and magnetism in Fe(1+y)Te(0.6)Se(0.4) single crystals. The parent Fe(1.01)Te(0.59)Se(0.41) shows a nodeless bulk ...Read More
Mojtaba Shakibaie, Ahmad Reza Shahverdi, Mohammad Ali Faramarzi, Gholam Reza Hassanzadeh, Hamid Reza Rahimi, Omid Sabzevari
In the present investigation, acute and subacute toxicity of the biogenic Se nanoparticles (Se NPs) has been reported.To characterize the Se NPs produced by a bacterium species and to evaluate their t...Read More
Surya S Chattopadhyaya, Abhijit A Nath, Kalyan Kumar KK Das
The electronic spectrum of the selenium monoxide (SeO) molecule has been studied theoretically by using ab initio based multireference singles and doubles configuration interaction (MRDCI) methodology...Read More
Vijay P VP Singh, Harkesh B HB Singh, Ray J RJ Butcher
The syntheses of selenenate/seleninate esters and related derivatives by aromatic nucleophilic substitution (S(N)Ar) reactions of 2-bromo-3-nitrobenzylalcohol (13) and 2-bromo-3-nitrobenzaldehyde (17)...Read More
Gary S Ba?uelos, Sirine C Fakra, Spencer S Walse, Matthew A Marcus, Soo In Yang, Ingrid J Pickering, Elizabeth A H Pilon-Smits, John L Freeman
The organ-specific accumulation, spatial distribution, and chemical speciation of selenium (Se) were previously unknown for any species of cactus. We investigated Se in Opuntia ficus-indica using indu...Read More
A Schneeberger, M Mandler, O Otava, W Zauner, F Mattner, W Schmidt
Selenium (Se) and vanadium (V) are contaminants commonly found in aquatic systems affected by wastes derived from fossil fuels. To examine their effects on a widely distributed species of amphibian, w...Read More
Ying Li, Xin Li, Jia Chu, Cunku Dong, Jingyao Qi, Yixing Yuan
In this study, we present a general protocol for the making of surface-imprinted core-shell magnetic beads via reversible addition-fragmentation chain transfer (RAFT) polymerization using RAFT agent f...Read More
Imed Messaoudi, Fatima Hammouda, Jihène El Heni, Tarek Baati, Khaled Sa?d, Abdelhamid Kerkeni
The aim of this study was to evaluate the potential benefit of combined treatment with zinc (Zn) and selenium (Se) in reversing cadmium (Cd)-induced oxidative stress in erythrocytes, compared to Se or...Read More
Zhen Li, Van H Tran, Rujee K Duke, Michelle CH Ng, Depo Yang, Colin C Duke
Allylic hydroxylated derivatives of the C18 unsaturated fatty acids were prepared from linoleic acid (LA) and conjugated linoleic acids (CLAs). The reaction of LA methyl ester with selenium dioxide (S...Read More
Yu-Wei Chen, Hoang-Yen Thi Truong, Nelson Belzile
The possible abiotic reduction of selenite to form elemental Se was studied under controlled conditions in the presence of ferrous iron. The reduction of selenite and formation of Se (0) was found to ...Read More
Ji-Ming JM Song, Yong-Jie YJ Zhan, An-Wu AW Xu, Shu-Hong SH Yu
High-yield synthesis of bamboo-raft-like single-crystalline selenium superstructures has been realized for the first time via a facile solvothermal approach by reducing SeO2 with ethylene alcohol in t...Read More
B I BI Ognjanovi?, S D SD Markovi?, S Z SZ Pavlovi?, R V RV Ziki?, A S AS Stajn, Z S ZS Saici?
The effects of selenium (Se) on antioxidant defense system in liver and kidneys of rats with cadmium (Cd)-induced toxicity were examined. Cd exposure (15 mg Cd/kg b.m./day as CdCl(2) for 4 weeks) resu...Read More
Yuzhong Y Li, Huiling H Tong, Yuqun Y Zhuo, Shujuan S Wang, Xuchang X Xu
Sulfur dioxide (SO2) and trace elements are all pollutants derived from coal combustion. This study relates to the simultaneous removal of SO2 and trace selenium dioxide (SeO2) from flue gas by calciu...Read More
Zoyne Z Pedrero, Jorge Ruiz JR Encinar, Yolanda Y Madrid, Carmen C Cámara
Selenium speciation in Se-enriched Lens esculenta grown in hydroponic culture containing inorganic selenium as Na"2SeO"3 and Na"2SeO"4 was performed. After 16 days of growth, the p...Read More
Shu A SA Yao, Kyle M KM Lancaster, Andreas W AW G?tz, Serena S DeBeer, John F JF Berry
Doing things by halves: The dimeric compound (Cp'Ni)(2)(μ(2)-Se(2)) (Cp' = 1,2,3,4-tetraisopropylcyclopentadienyl), shown in the scheme, was investigated by using low temperature X-ray crys...Read More
Haiying H Luo, Feifei F Wang, Yan Y Bai, Tianfeng T Chen, Wenjie W Zheng
In vitro antiproliferative effects of selenium nanoparticles (nanoSe(0), 10-40 μmol/L) on HeLa (human cervical carcinoma) cells and MDA-MB-231 (human breast carcinoma) cells were examined by optical ...Read More
T Paukert, R Sailer, W S L Strauss, M Schubert-Zsilavecz, A Zimmer
A set of human tumor cell lines was characterized in terms of the GPx isoenzymes GPx1, -2, -3 and -4. Semiquantitative PCR was used to investigate the GPx mRNA transcripts and the GPx activity was det...Read More
Huaibin Shen, Jin Zhong Niu, Hongzhe Wang, Xiaomin Li, Lin Song Li, Xia Chen
Here we report a low-cost and "green" phosphine-free route for the size- and shape-controlled synthesis of high-quality zinc blende (cubic) ZnSe nanocrystals. To avoid the use of expensive a...Read More
Valerie Boissel, Nigel S Simpkins, Gurdip Bhalay, Alexander J Blake, William Lewis
Bridgehead metallation is possible in a ketone having the welwistatin skeleton, and this facilitates installation of the isothiocyanate function present in the natural product, and also enables synthe...Read More
Erik A A EA Wallén, Kristian K Dahlén, Morten M Gr?tli, Kristina K Luthman
[reaction: see text] An efficient synthetic route to Cbz-protected 3-aminomethyl-2-aryl-8-bromo-6-chlorochromones has been developed. 3-Aryl-1-(3-bromo-5-chloro-2-hydroxyphenyl)-2-propen-1-one or 2-ar...Read More
Ramesh M Patel, Vedavati G Puranik, Narshinha P Argade
The first SeO(2) induced (Z)-selective allylic alcohol formation of dialkyl alkylidenesuccinates has been demonstrated to accomplish one-step syntheses of several essential butenolides and fused buten...Read More
Maria Barsukova-Stuckart, Natalya V Izarova, Ryan A Barrett, Zhenxing Wang, Johan van Tol, Harold W Kroto, Naresh S Dalal, Pablo Jiménez-Lozano, Jorge J Carbó, Josep M Poblet, Marc S von Gernler, Thomas Drewello, Pedro de Oliveira, Bineta Keita, Ulrich Ko
A total of 16 discrete polyoxopalladates(II) [MO(8)Pd(II)(12)L(8)](n-), with a metal ion M encapsulated in a cuboid-shaped {Pd(12)O(8)L(8)} cage, have been synthesized: the phenylarsonate-capped serie...Read More

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