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水酸化ナトリウム (1mol/L水溶液)

CAS番号. 1310-73-2
化学名: 水酸化ナトリウム (1mol/L水溶液)
别名: 水酸化ナトリウム (1mol/L水溶液);水酸化ナトリウム (2mol/L水溶液);苛性ソーダ;水酸化ナトリウム;コロ-グリルレイン;コロ-タペッタ;アスカライト;ナトリウムヒドロキシド;か性ソーダ;トソーペアール;スタムペルプレプ;エトズナトロン;カ成ソ-ダ;水酸化ナトリウム(顆粒);水酸化Na;水酸化ナトリウム,フレーク;水酸化ナトリウム,ペレット;カセイソーダ
英語化学名: Sodium hydroxide
英語别名: 1L;5L;NaOH;Pels;Plung;3%pure;25%pure;20%p.A.;20%pure;30%pure
CBNumber: CB8105015
分子式: HNaO
分子量: 39.99711
MOL File: 1310-73-2.mol
水酸化ナトリウム (1mol/L水溶液) 物理性質
融点 : 681 °C(lit.)
沸点 : 145 °C
比重(密度) : 1.515 g/mL at 20 °C
蒸気密度: <1 (vs air)
蒸気圧: 1 mm Hg ( 745 °C)
屈折率 : 1,473-1,475
闪点 : 176-178°C
貯蔵温度 : 2-8°C
溶解性: H2O: 1 M at 20 °C, clear, colorless
外見 : beads
色: White
PH: >14 (100g/l, H2O, 20℃)
水溶解度 : SOLUBLE
Sensitive : Air Sensitive & Hygroscopic
Decomposition : 176-178 ºC
Merck : 14,8627
安定性:: hygroscopic
CAS データベース: 1310-73-2(CAS DataBase Reference)
NISTの化学物質情報: Sodium hydroxide(1310-73-2)
EPAの化学物質情報: Sodium hydroxide (Na(OH))(1310-73-2)
  • リスクと安全性に関する声明
  • 危険有害性情報のコード(GHS)
主な危険性  C,Xi
Rフレーズ  36/38-35-34
Sフレーズ  26-45-37/39-24/25-36/37/39
RIDADR  UN 1824 8/PG 2
WGK Germany  1
RTECS 番号 TT2975000
国連危険物分類  8
容器等級  II
有毒物質データの 1310-73-2(Hazardous Substances Data)
毒性 LD orally in rabbits: 500 mg/kg (10% soln) (Fazekas)
注意喚起語 Danger
コード 危険有害性情報 危険有害性クラス 区分 注意喚起語 シンボル P コード
H290 金属腐食のおそれ 金属腐食性物質 1 警告 P234, P390, P404
H314 重篤な皮膚の薬傷?眼の損傷 皮膚腐食性/刺激性 1A, B, C 危険 P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H318 重篤な眼の損傷 眼に対する重篤な損傷性/眼刺激 性 1 危険 P280, P305+P351+P338, P310
P260 粉じん/煙/ガス/ミスト/蒸気/スプレーを吸入しないこ と。
P280 保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。
P301+P330+P331 飲み込んだ場合:口をすすぐこと。無理に吐かせ ないこと。
P303+P361+P353 皮膚(または髪)に付着した場合:直ちに汚染された衣 類をすべて脱ぐこと/取り除くこと。皮膚を流水/シャワー で洗うこと。
P305+P351+P338 眼に入った場合:水で数分間注意深く洗うこと。次にコ ンタクトレンズを着用していて容易に外せる場合は外す こと。その後も洗浄を続けること。
P405 施錠して保管すること。

水酸化ナトリウム (1mol/L水溶液) 化学特性,用途語,生産方法

Sodium hydroxide, also known as lye and caustic soda, is a highly caustic substance that is used used in small amounts in cosmetics to establish and hold the pH of a product.Sodium Hydroxide is a extremely important compound in our lives because it has so many uses.  It is a very common base used in the chemical industry and is used for many things, many of which occur in our daily lives. One of the most well known uses of Sodium Hydroxide is its use in unclogging drains.  It comes in many different brands of drain cleaners, but one of the most common is Drano.  It also comes in the form of lye soap which can be used to wash practically anything, from the dishes to your face.
sodium hydroxide structure
sodium hydroxide structure
At room temperature, sodium hydroxide is a white crystalline odorless solid that absorbs moisture from the air. It is a manufactured substance. Sodium Hydroxide is an inorganic compound used to control the pH levels or serve as a buffering agent in cosmetics and personal care products. It was historically used in the formulation of soaps, but is currently seen in a variety of formulas, including bath products, cleansing products, fragrances, foot powders, hair dyes and colors, makeup, nail products, personal cleanliness products, shampoos, shaving products, depilatories, skin care products, and suntan products, as well as chemical hair straighteners and hair wave sets. It is also a popular ingredient in industrial solvents as a chemical base for soaps, oven cleaners, detergents and drain cleaners because of its ability to dissolve grease, oils, fats and protein based deposits, according to Wikipedia. Less frequently, Sodium Hydroxide is seen as an ingredient in toothpastes.
Sodium Hydroxide is FDA approved, and has received the GRAS (Generally Recognized as Safe) rating as a direct food additive. However, it is primarily used in the washing and chemical peeling of produce. It is approved for use in cosmetics and personal care products in varying concentrations: 5% by weight in nail cuticle solvents, 2% by weight in hair straighteners for general use, 4.5% by weight in hair straighteners for professional use, up to a pH 12.7 in depilatories, and up to pH 11 in other uses as a pH adjuster.
Sodium hydroxide, NaOH,also referred to as caustic soda or sodium hydrate(and formerly known as lye), is a white,massive, deliquescent crystalline solid that is soluble in water,alcohol, and glycerol. It melts at 318°C (606 OF) and is the most widely used and available alkaline chemical. Most sodium hydroxide is produced as a coproduct of chlorine through the use of electrolytic cells;the cells are of the diaphragm, mercury, or membrane type. Some sodium hydroxide is marked as produced in the cells;most is evaporated and sold as 50% and 73% solutions or as anhydrous beads. Most caustic end uses require solutions of relatively low concentrations. Caustic soda is used as an analytical reagent and chemical intermediate, in scouring and cleaning baths,in rubber reclaiming and petroleum refining, in quenching baths for heat treating of steel,in cutting and soluble oils,in soaps and detergents, and in a wide variety of other applications.
Sodium hydroxide is one of the most important industrial chemicals. In volume, it is in the top ten chemicals produced in the United States. It is used in manufacturing a large number of compounds including several sodium salts, in treating cellulose for producing rayon and cellophane, and in manufacturing soaps, detergents, pulp, and paper. Sodium hydroxide is a common neutralizing agent for acids in acid-base titrations and petroleum refining. Another major application is extracting metals from their ores where alkali fusion, such as fusion with caustic soda, often is applied to open the ores. Additionally, sodium hydroxide is used to precipitate metals as hydroxides. Other uses are in reclaiming rubber, dissolving casein in plastics production, refining vegetable oils, processing textiles, as an eluant in ion chromatography, etching and electroplating, and as a laboratory reagent. Sodium hydroxide also is used as a strong base in many organic synthesis and base-catalyzed reactions.
Sodium hydroxide is manufactured together with chlorine by electrolysis of sodium chloride solution. Various types of electrolytic cells are used commercially. They include the mercury cell, the diaphragm cell, and the membrane cell.
A saturated solution of brine is electrolyzed. Chlorine gas is liberated at the anode and sodium ion at the cathode. Decomposition of water produces hydrogen and hydroxide ions. The hydroxide ion combines with sodium ion forming NaOH. The overall electrolytic reactions may be represented as:
2Na+ + 2Cl_ + 2H2O → Cl2 (g) + H2 (g) + 2NaOH (aq)
The mercury cell proceeds in two stages that occur separately in two cells. The first is known as the brine cell or the primary electrolyzer in which sodium ion deposits on the mercury cathode forming amalgam, while chlorine gas is liberated at the anode:
Na+ + Cl–→ Na-Hg (cathode) + ½Cl2(g) (anode)
In the second cell, known as the decomposer cell, a graphite cathode is used while sodium amalgam serves as the anode. Water reacts with the sodium metal of the amalgam in the decomposer:
Na-Hg + H2O → Na+ + OH– + ½H2↑ + Hg
In chlor-alkali diaphragm cells, a diaphragm is employed to separate chlorine liberated at the anode from the sodium hydroxide and hydrogen generated at the cathode. Without a diaphragm, the sodium hydroxide formed will combine with chlorine to form sodium hypochlorite and chlorate. In many cells, asbestos diaphragms are used for such separation. Many types of diaphragm cells are available.
Sodium hydroxide is produced either as an anhydrous solid or as a 50% aqueous solution.
NaOH solutions are used to neutralize acids and make sodium salts, e.g., in petroleum refining to remove sulfuric and organic acids; to treat cellulose in making viscose rayon and cellophane; in reclaiming rubber to dissolve out the fabric; in making plastics to dissolve casein. NaOH solutions hydrolyze fats and form soaps; they precipitate alkaloids (bases) and most metals (as hydroxides) from water solutions of their salts. Pharmaceutic aid (alkalizer).
A white solid. Corrosive to metals and tissue. Used in chemical manufacturing, petroleum refining, cleaning compounds, drain cleaners.
Soluble in water. Dissolution can liberate enough heat to cause steaming and spattering and ignite adjacent combustible material [Haz. Chem. Data 1966].
CAUSTIC SODA (Sodium hydroxide) is a strong base. Reacts rapidly and exothermically with acids, both organic and inorganic. Readily absorbs moisture from the air to give caustic semi-solids that attack aluminum and zinc with the evolution of flammable hydrogen gas. Catalyzes the polymerization of acetaldehyde and other polymerizable compounds; these reactions can occur violently, for example, acrolein polymerizes with extreme violence when put in contact with alkaline materials such as sodium hydroxide [Chem. Safety Data Sheet SD-85 1961]. Reacts with great violence with phosphorus pentaoxide when initiated by local heating [Mellor 8 Supp.3:406 1971]. Contact (as a drying agent) with tetrahydrofuran, which often contains peroxides, may be hazardous---explosions have occurred in such a use of the chemically similar potassium hydroxide [NSC Newsletter Chem. Soc. 1967]. Mixing with any of the following substances in a closed container caused the temperature and pressure to increase: glacial acetic acid, acetic anhydride, acrolein, chlorohydrin, chlorosulfonic acid, ethylene cyanohydrin, glyoxal, hydrochloric acid (36%), hydrofluoric acid (48.7%), nitric acid (70%), oleum, propiolactone, sulfuric acid (96%) [NFPA 1991]. Accidental contact between a caustic cleaning solution (probably containing sodium hydroxide) and Pentol caused a violent explosion. [MCA Case History 363(1964)]. Heating with a mixture of methyl alcohol and trichlorobenzene during an attempted synthesis led to a sudden increase in pressure and an explosion [MCA Guide for Safety Appendix 3 1972]. Hot and/or concentrated NaOH can cause hydroquinone to decompose exothermically at elevated temperature. (NFPA Pub. 491M, 1975, 385)
Strong corrosive action on contacted tissues. INHALATION: dust may cause damage to upper respiratory tract and lung itself, producing from mild nose irritation to pneumonitis. INGESTION: severe damage to mucous membranes; severe scar formation or perforation may occur. EYE CONTACT: produces severe damage.
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.
Common impurities are water and sodium carbonate. Sodium hydroxide can be purified by dissolving 100g in 1L of pure EtOH, filtering the solution under vacuum through a fine sintered-glass disc to remove insoluble carbonates and halides. (This and subsequent operations should be performed in a dry, CO2-free box.) The solution is concentrated under vacuum, using mild heating, to give a thick slurry of the mono-alcoholate which is transferred to a coarse sintered-glass disc and evacuated free of mother liquor. After washing the crystals several times with purified alcohol to remove traces of water, they are dried in a vacuum, with mild heating, for about 30hours to decompose the alcoholate, leaving a fine white crystalline powder [Kelly & Snyder J Am Chem Soc 73 4114 1951]. CAUSTIC. Sodium hydroxide solutions (caustic), 14.77. Carbonate ion can be removed by passage through an anion-exchange column (such as Amberlite IRA-400; OH--form). The column should be freshly prepared from the chloride form by slow prior passage of sodium hydroxide solution until the effluent gives no test for chloride ions. After use, the column can be regenerated by washing with dilute HCl, then water. Similarly, other metal ions are removed when a 1M (or more dilute) NaOH solution is passed through a column of Dowex ion-exchange A-1 resin in its Na+-form. Alternatively, carbonate contamination can be reduced by rinsing sticks of NaOH (analytical reagent quality) rapidly with H2O, then dissolving in distilled H2O, or by preparing a concentrated aqueous solution of NaOH and drawing off the clear supernatant liquid. (Insoluble Na2CO3 is left behind.) Carbonate contamination can be reduced by adding a slight excess of concentrated BaCl2 or Ba(OH)2 to a NaOH solution, shaking well and allowing the BaCO3 precipitate to settle. If the presence of Ba in the solution is unacceptable, an electrolytic purification can be used. For example, sodium amalgam is prepared by the electrolysis of 3L of 30% NaOH with 500mL of pure mercury for cathode, and a platinum anode, passing 15 Faradays at 4Amps, in a thick-walled polyethylene bottle. The bottle is then fitted with inlet and outlet tubes, the spent solution being flushed out by CO2-free N2. The amalgam is then washed thoroughly with a large volume of deionised water (with the electrolysis current switched on to minimize loss of Na). Finally, a clean steel rod is placed in contact in the solution with the amalgam (to facilitate hydrogen evolution), reaction being allowed to proceed until a suitable concentration is reached, before being transferred to a storage vessel and diluted as required [Marsh & Stokes Aust J Chem 17 740 1964].
水酸化ナトリウム (1mol/L水溶液) 上流と下流の製品情報
炭酸カルシウム(II)(1:1) カルシウムオキシド 塩化バリウム2水塩 ジクロロカルシウム 塩化ナトリウム [一般有機合成用] 三臭化ほう素 (17%ジクロロメタン溶液, 約1mol/L) 塩化バリウム 塩化カルシウム六水和物 ポリ(アクリル酸),ナトリウム 炭酸ナトリウム [一般有機合成用]
(+)-酒石酸ナトリウム二水和物 2-(1-ナフトキシ)プロピオン酸 3-フルオロ-4-ヒドロキシベンズアルデヒド 2-チオフェンカルボン酸ナトリウム 1,7-ジオキサシクロヘプタデカン-8-オン 4-メチル-2-フェニル-1,3-チアゾール-5-カルボン酸 ビス[2-クロロ-5-[(2-ヒドロキシ-1-ナフタレニル)アゾ]-4-(ソジオスルホ)安息香酸]カルシウム rac-(R*)-2-ヒドロキシ-2-(4-ヒドロキシ-3-メトキシフェニル)酢酸 5-ブロモシトシン バルビタール ナトリウム コバルト(II) 2-ヒドロキシプロパン酸ナトリウム りんタングステン酸ナトリウム n水和物 2-ヒドロキシ-1-ナフトエ酸 塩化ストロンチウム六水和物 キヌクリジン 塩酸塩 ソーダ石灰 サフラワーイエロー すず(IV)酸ナトリウム3水和物 2,3-ジフェニルプロピオン酸 ジチオ炭酸O-(2-メチルプロピル)=S-ナトリウム 1-カルボベンゾキシ-4-ピペリジンカルボン酸 1-カルボベンゾキシピペラジン
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1310-73-2(水酸化ナトリウム (1mol/L水溶液)) キーワード:
炭素 酢酸 [一般有機合成用] スルファート/アルミニウム,(3:2) アシッド バイオレット 34 4-[[4-(N-アセチル-N-メチルアミノ)フェニル]アミノ]-1-アミノ-9,10-ジヒドロ-9,10-ジオキソアントラセン-2-スルホン酸ナトリウム アリザリン シアニン グリーン F ブロモクレゾールパープルナトリウム ブロモクロロフェノールブルー(水溶性) 4-[[4-(アセチルアミノ)フェニル]アミノ]-1-アミノ-9,10-ジヒドロ-9,10-ジオキソアントラセン-2-スルホン酸ナトリウム 1-アミノ-4-フェニルアミノ-9,10-ジヒドロ-9,10-ジオキソアントラセン-2-スルホン酸ナトリウム 3,3'-[(9,10-ジヒドロ-9,10-ジオキソアントラセン-1,4-ジイル)ジイミノ]ビス[2,4,6-トリメチルベンゼンスルホン酸ナトリウム] アンモニア水 (28%) [一般有機合成用] 塩化ナトリウム [一般有機合成用] 水酸化リチウム1水塩 水酸化ナトリウム (1mol/L水溶液) ジクロフェナクナトリウム 水和物 酢酸ナトリウム [一般有機合成用]
1310-73-2 Aetznatron Augus hot rod causticflake causticsoda,bead causticsoda,bead(dot) hydroxydedesodium(solide) hydroxydedesodium(solutions) lewis-reddevillye liquidcaustic(solutionsof45-75%sodiumhydroxideinwater) Liquid-plumr NaOH Natriumhydroxid Natriumhydroxyde Pels Plung Rohrputz Rohrreiniger Rofix soda,hydrate Sodio(idrossido di) sodio(idrossidodi) Sodium hydroxide (Na(OH)) Sodium hydroxide, anhydrous sodium(hydroxidede)(french) Sodium(hydroxyde de) sodium(hydroxydede) sodiumhydroxide(corrosiveliquid,basic,organic,n.o.s.) sodiumhydroxide(na(oh)) sodiumhydroxide,bead(dot) sodiumhydroxide,dry(dot) sodiumhydroxide,flake(dot) 水酸化ナトリウム (1mol/L水溶液) 水酸化ナトリウム (2mol/L水溶液) 苛性ソーダ 水酸化ナトリウム コロ-グリルレイン コロ-タペッタ アスカライト ナトリウムヒドロキシド か性ソーダ トソーペアール スタムペルプレプ エトズナトロン カ成ソ-ダ 水酸化ナトリウム(顆粒) 水酸化Na 水酸化ナトリウム,フレーク 水酸化ナトリウム,ペレット カセイソーダ
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