亜セレン酸ナトリウム
- 関
- selenite
WordNet
- a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt) (同)Na, atomic number 11
PrepTutorEJDIC
- ソジウム,ナトリウム(金属元素;化学記号はNa)
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/02/27 15:22:09」(JST)
[Wiki en表示]
Not to be confused with Selenite (mineral).
Sodium selenite
|
| Identifiers |
| ATC code |
A12CE02 |
| CAS number |
(hydrate: 26970-82-1) 10102-18-8 (hydrate: 26970-82-1) N |
| ChEBI |
CHEBI:48843 Y |
| ChEMBL |
ChEMBL112302 Y |
| ChemSpider |
23308 Y |
| EC number |
233-267-9 |
InChI
-
InChI=1S/2Na.H2O3Se/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2 Y
Key: BVTBRVFYZUCAKH-UHFFFAOYSA-L Y
-
InChI=1/2Na.H2O3Se/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
Key: BVTBRVFYZUCAKH-NUQVWONBAC
|
| Jmol-3D images |
Image |
| PubChem |
24934 |
| RTECS number |
VS7350000 |
SMILES
-
[Na+].[Na+].[O-][Se]([O-])=O
|
| UNII |
HIW548RQ3W Y |
| UN number |
2630 |
| Properties |
|
Molecular formula
|
Na2O3Se |
| Molar mass |
172.94 g·mol−1 |
| Appearance |
colourless solid |
| Density |
3.1 g/cm3 |
| Melting point |
decomposes at 710 °C |
|
Solubility in water
|
85 g/100 mL (20 °C) |
| Solubility |
insoluble in alcohol, ethanol |
| Structure |
| Crystal structure |
tetragonal |
| Hazards |
| MSDS |
ICSC 0698 |
| EU Index |
034-003-00-3 |
| EU classification |
Very toxic (T+)
Dangerous for the environment (N) |
| R-phrases |
R23, R28, R31, R43, R51/53 |
| S-phrases |
(S1/2), S28, S36/37, S45, S61 |
| NFPA 704 |
|
| Related compounds |
|
Related compounds
|
Sodium sulfite
Sodium selenate
Sodium selenide |
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
|
| N verify (what is: Y/N?) |
| Infobox references |
|
|
Sodium selenite is the inorganic compound with the formula Na2SeO3. This salt is a colourless solid. The pentahydrate Na2SeO3(H2O)5 is the most common water-soluble selenium compound.
Contents
- 1 Synthesis and fundamental reactions
- 2 Applications
- 3 Safety
- 4 See also
- 5 References
- 6 External links
Synthesis and fundamental reactions
Sodium selenite usually is prepared by the reaction of selenium dioxide with sodium hydroxide:[1]
- SeO2 + 2 NaOH → Na2SeO3 + H2O
The hydrate converts to the anhydrous salt upon heating to 40 °C.
Akin to the related salt sodium sulfite, Na2SeO3 features a pyramidal dianion SeO32−.[2] Oxidation of this anion gives sodium selenate, Na2SeO4.
Applications
Together with the related barium and zinc selenites, sodium selenite is mainly used in the manufacture of colorless glass. The pink color imparted by these selenites cancels out the green color imparted by iron impurities.[3]
Because selenium is an essential element, sodium selenite is an ingredient in some food supplements.
The US Food and Drug Administration approved a selenium supplement to animal diets, however the most common form is sodium selenite for pet foods. According to one article, "not much was known about which selenium compounds to approve for use in animal feeds when the decisions were made back in the 1970s .. At the time the regulatory action was taken, only the inorganic selenium salts (sodium selenite and sodium selenate) were available at a cost permitting their use in animal feed.” [4]
Safety
Selenium is toxic in high concentrations. The chronic toxic dose for human beings is about 2.4 to 3 milligrams of selenium per day.[5]
See also
References
- ^ F. Féher, "Sodium Selenite" in Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1. p. 432.
- ^ Wickleder, Mathias S. (2002). "Sodium selenite, Na2SeO3". Acta Crystallographica Section E Structure Reports Online 58 (11): i103–i104. doi:10.1107/S1600536802019384. ISSN 1600-5368.
- ^ Bernd E. Langner "Selenium and Selenium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry (published on-line in 2000) Wiley-VCH, Weinheim, 2002 doi:10.1002/14356007.a23_525
- ^ Schrauzer, GN (2001). "Nutritional selenium supplements: product types, quality, and safety". Journal of the American College of Nutrition 20 (1): 1–4. doi:10.1080/07315724.2001.10719007. PMID 11293463.
- ^ Wilber, C. G. (1980). "Toxicology of selenium". Clinical Toxicology (Free full text (see p. 211)) 17 (2): 171–230. doi:10.3109/15563658008985076. PMID 6998645.
External links
- Linus Pauling Institute page on selenium
|
Sodium compounds
|
|
- NaAlO2
- NaBH4
- NaBH3(CN)
- NaBO2
- NaBiO3
- NaBr
- NaBrO
- NaBrO3
- NaCH3COO
- NaC6H5CO2
- NaC6H4(OH)CO2
- NaCN
- NaCl
- NaClO
- NaClO2
- NaClO3
- NaClO4
- NaF
- NaFO
- Na2FeO4
- NaH
- NaHCO3
- NaH2PO4
- NaHSO3
- NaHSO4
- NaI
- NaIO3
- NaIO4
- Na5IO6
- NaMnO4
- NaN3
- NaNH2
- NaNO2
- NaNO3
- NaOCN
- NaO2
- NaO3
- NaOH
- NaPO2H2
- NaReO4
- NaSCN
- NaSH
- NaTcO4
- NaVO3
- Na2CO2
- Na2CO3
- Na4CO4
- Na2C2O4
- Na2CrO4
- Na2Cr2O7
- Na2GeO3
- Na2MnO4
- Na3MnO4
- Na2MoO4
- Na2MoS4
- Na2N2O2
- Na2O
- Na2O2
- Na2O(UO3)2
- Na2PO3F
- Na2S
- Na2SO3
- Na2SO4
- Na2S2O3
- Na2S2O4
- Na2S2O5
- Na2S2O6
- Na2S2O7
- Na2S2O8
- Na2Se
- Na2SeO3
- Na2SeO4
- Na2SiO3
- Na2Si2O5
- Na4SiO4
- Na2Te
- Na2TeO3
- Na2Po
- Na2Ti3O7
- Na2U2O7
- NaWO4
- Na2Zn(OH)4
- Na3N
- Na3P
- Na3PO4
- Na3VO4
- Na4Fe(CN)6
- Na4P3O7
- Na5P3O10
|
|
|
Chemical formulas
|
|
|
Mineral Supplements (A12)
|
|
| Calcium |
- Calcium carbonate
- Calcium chloride
- Calcium citrate
- Calcium glubionate
- Calcium glucoheptonate
- Calcium gluconate#
- Calcium glycerylphosphate
- Calcium lactate gluconate
- Calcium lactate
- Calcium pangamate
- Calcium phosphate
|
|
| Potassium |
- Potassium bicarbonate
- Potassium bitartrate
- Potassium chloride
- Potassium citrate
- Potassium gluconate
|
|
| Sodium |
- Sodium chloride
- Sodium sulfate
|
|
| Zinc |
- Zinc gluconate
- Zinc proteinate
- Zinc sulfate
|
|
| Magnesium |
- Magnesium aspartate
- Magnesium chloride
- Magnesium citrate
- Magnesium gluconate
- Magnesium glycinate
- Magnesium lactate
- Magnesium levulinate
- Magnesium malate
- Magnesium orotate
- Magnesium oxide
- Magnesium pidolate
- Magnesium sulfate
|
|
| Fluoride |
- Sodium fluoride#
- Sodium monofluorophosphate
|
|
| Selenium |
- Sodium selenate
- Sodium selenite
|
|
- #WHO-EM
- ‡Withdrawn from market
- Clinical trials:
- †Phase III
- §Never to phase III
|
|
|
|
|
| Description |
- Vitamins
- Cofactors
- Metal metabolism
|
|
| Disease |
- Vitamins
- Metals
- Other
- Symptoms and signs
|
|
| Treatment |
- Obesity drugs
- Vitamins
- Mineral supplements
|
|
|
UpToDate Contents
全文を閲覧するには購読必要です。 To read the full text you will need to subscribe.
English Journal
- Effect of dietary organic selenium on muscle proteolytic activity and water-holding capacity in pork.
- Calvo L1, Toldrá F2, Aristoy MC2, López-Bote CJ3, Rey AI4.
- Meat science.Meat Sci.2016 Nov;121:1-11. doi: 10.1016/j.meatsci.2016.05.006. Epub 2016 May 7.
- This study evaluates the effect of dietary selenium (Se) supplementation source (organic, Se-enriched yeast; SY vs. inorganic, sodium selenite; SS), dose (0.2: L vs. 0.4: H mg/kg) and the combination of Se and vitamin E (VITE+SS) for 26days on drip loss, TBARS, colour changes, myofibrillar protein p
- PMID 27232379
- Development of a low-serum medium for the production of monoclonal antibody against congenital adrenal hyperplasia by hybridoma culture.
- Chua GK1.
- Preparative biochemistry & biotechnology.Prep Biochem Biotechnol.2016 Oct 2;46(7):679-685.
- Statistically designed experiments were used in developing a low-serum medium for the production of a diagnostic monoclonal antibody against congenital adrenal hyperplasia using hybridoma 192. A two-level half-fractional factorial design was used for screening six components (Minimum Essential Mediu
- PMID 26760282
- Nephrotoxic effects of lead nitrate exposure in diabetic and nondiabetic rats: Involvement of oxidative stress and the protective role of sodium selenite.
- Baş H1, Kalender Y2.
- Environmental toxicology.Environ Toxicol.2016 Oct;31(10):1229-40. doi: 10.1002/tox.22130. Epub 2015 Mar 2.
- Heavy metals are known to be toxic to organisms. The present study was undertaken to evaluate the protective effect of sodium selenite against lead nitrate (LN)-induced nephrotoxicity in diabetic and nondiabetic rats. Animals were divided into eight groups where the first was served as a control, wh
- PMID 25728528
Japanese Journal
- Acceleration effect of sodium selenite on yeast growth and fermentative capability
Related Links
- Sigma-Aldrich offers Sigma-214485, Sodium selenite for your research needs. Find product specific information including CAS, MSDS, protocols and references. ... Frequently Asked Questions Frequently Asked Questions are ...
- Sodium selenite is a salt, a colourless solid, and the most common water-soluble selenium compound. It has the formulas Na 2 SeO 3 and Na 2 SeO 3 (H 2 O) 5 (CAS#26970-82-1). Respectively, these are the anhydrous salt and its pentahydrate
★リンクテーブル★
[★]
- 英
- sodium selenite
- 関
- 亜セレン酸塩
[★]
亜セレン酸塩、亜セレン酸の
- 関
- selenious acid、sodium selenite