Selenic Acid 硒酸

CAS 7783-08-6 MFCD00012191

化学结构图

7783-08-6
SMILES: O=[Se](=O)(O)O

化学属性

Mol. FormulaH2SeO4
Mol. Weight144.97
Density1.407 g/mL at 25 °C
TSCAYes
Refractive indexn20/D 1.5174(lit.)
Flash Point>;230 °F
Melting Point58°C
Boiling Point260°C
Solubility易溶于水，不溶于氨水，溶于硫酸。

别名和识别编码

Chemical NameSelenic Acid
MDL NumberMFCD00012191
PubChem Substance ID1089
CAS Number7783-08-6
Synonym 2-amino-4-(2-amino-3-hydroxy-3-oxopropyl)selanylbutanoic acid Acid, Selenic Ammonium Selenate Magnesium Selenate Monosodium Selenate Potassium Selenate SELENIC ACID SELENIC ACID 94% SELENIC ACID AR Selenate, Ammonium Selenate, Calcium Selenate, Disodium Selenate, Magnesium Selenate, Monosodium Selenate, Potassium Selenate, Sodium Selenic Acid, Diammonium Salt Selenic Acid, Monosodium Salt Selenic acid Selenic acid, 99.95% metals basis, 40 wt. % solution in water Selenicacid,40%aq.soln. Selenicacid,40%solution Selenocystathionine Selensäure calcium selenate disodium selenate selenate selenic acid selenic acid (H2SeO4) {Ch
EC Number231-979-4
Merck Number14,8429
Chemical Name Translation硒酸
Wiswesser Line Notation..H2.SE-O4
LabNetwork Molecule IDLN02144500
InChIInChI=1S/H2O4Se/c1-5(2,3)4/h(H2,1,2,3,4)
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分类

  • Acids, Electronic Chemicals, Materials Science, Micro/NanoElectronics
  • {SA} Acids, Electronic Chemicals, Materials Science, Micro/NanoElectronics
  • {uni_hamburg} no charge; 1fragment
  • {SNA} Acids, Electronic Chemicals, Micro/NanoElectronics, 材料科学

产品应用

  • 甲醇和乙醇的检定。硒盐的制备。

相关文献及参考

  • Merck: 14,8429
  • Short: IV/1a
  • Short: III/35G

安全信息

WGK Germany2
Precautionary statements
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西，喝水或吸烟。
  • P271 Use only outdoors or in a well-ventilated area.? 只能在室外或通风良好的地方使用。
  • P273 Avoid release to the environment. 避免释放到环境中。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P301+P310
  • P302+P352
  • P304+P340
  • P305+P351+P338
  • P307+P311
  • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
  • P311 Call a POISON CENTER or doctor/physician. 呼叫解毒中心或医生/医师。
  • P314 Get medical advice/attention if you feel unwell. 获取医疗咨询/就医，如果你觉得不舒服
  • P321 Specific treatment (see … on this label). 具体治疗（见本标签上的）。
  • P330 Rinse mouth. 漱口
  • P332+P313
  • P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服，清洗后方可重新使用
  • P391 Collect spillage. Hazardous to the aquatic environment 收集对水环境有危害的泄漏物。
  • P403+P233
  • P405 Store locked up. 上锁保管。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Hazard statements
  • H301 Toxic if swallowed 吞食有毒
  • H315 Causes skin irritation 会刺激皮肤
  • H318 Causes serious eye damage 严重伤害眼睛
  • H331 Toxic if inhaled 吸入中毒
  • H373 May causes damage to organs through prolonged or repeated exposure 长期或频繁接触可能会损伤器官
  • H400 Verytoxictoaquaticlife 对水生生物毒性非常大。
  • H410 Verytoxictoaquaticlifewithlonglastingeffects 对水生生物毒性非常大并具有长期影响。
Hazard Codes T,N T
GHS Symbol
Signal word Danger
Safety Statements
  • S20/21 When using do not eat, drink or smoke 使用时，不得进食，饮水或吸烟；
  • S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时，立即求医（可能时出示标签）；
  • S23 Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer) 不要吸入气体/烟雾/蒸汽/喷雾；
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护；
  • S28 After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) 皮肤接触后，立即用大量…（由生产厂家指定）冲洗；
  • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置；
  • S61 Avoid release to the environment. Refer to special instructions/safety data sheet 避免释放到环境中，参考特别指示/安全收据说明书；
  • S57 Use appropriate containment to avoid environmental contamination 使用适当容器避免环境污染；
  • S16 Keep away from sources of ignition - No smoking 远离火源，禁止吸烟；
UN Number UN 3264 8/PG 1 UN2922 3264
Risk Statements
  • R33 Danger of cumulative effects 有累积作用的危险
  • R23/25 Toxic by inhalation and if swallowed 吸入及吞食都有毒
  • R50/53
  • R34 Causes burns 会导致灼伤
  • R23/24/25 Toxic by inhalation, in contact with skin and if swallowed 吸入，皮肤接触及吞食都有毒
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Packing GroupII
RTECSVS6575000
Hazard Class8
Storage condition 密封干燥保存。
Warnings 危化品目录(2015) 危险化学品

其他信息

  • 用途一:用作分析试剂，也用于硒盐制备
  • 毒性分级:剧毒
  • Alfa Aesar:硒酸,40%aq.soln. Selenic acid, 40% aq. soln.(7783-08-6)
  • MSDS 信息:硒酸(7783-08-6).msds
  • 外观性质:白色六方柱晶体，极易吸潮。
  • 硒酸价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 80113080 硒酸(*) 25g 134.2元 2010/05/25 18851 硒酸, 40% aq. soln. Selenic acid, 40% aq. soln. 500g 7182元 2010/05/25 18851 硒酸, 40% aq. soln. Selenic acid, 40% aq. soln. 100g 1806元
  • Sigma Aldrich:7783-08-6(sigmaaldrich)
  • 急性毒性:参考值：口服-大鼠 LD50： 1.6 毫克/公斤; 腹腔-大鼠 LDL0: 8.973 毫克/公斤
  • MOL 文件:7783-08-6.mol
  • 用途二:甲醇和乙醇的检定。硒盐的制备。
  • 类别:有毒物品

系列性分类

  1. Materials Science 材料科学
  2. Micro/NanoElectronics - Materials Science
  3. Electronic Chemicals - Micro/NanoElectronics
  4. Electronic Chemicals: Acids

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