JP2809667B2 - New production method of sodium borohydride - Google Patents
New production method of sodium borohydrideInfo
- Publication number
- JP2809667B2 JP2809667B2 JP1038186A JP3818689A JP2809667B2 JP 2809667 B2 JP2809667 B2 JP 2809667B2 JP 1038186 A JP1038186 A JP 1038186A JP 3818689 A JP3818689 A JP 3818689A JP 2809667 B2 JP2809667 B2 JP 2809667B2
- Authority
- JP
- Japan
- Prior art keywords
- reaction
- sodium borohydride
- alcohols
- nabh
- production method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000012279 sodium borohydride Substances 0.000 title claims description 7
- 229910000033 sodium borohydride Inorganic materials 0.000 title claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- -1 tetrahydrofurfuryl alcohols Chemical class 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- 150000001298 alcohols Chemical class 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 230000002152 alkylating effect Effects 0.000 claims description 2
- 239000006227 byproduct Substances 0.000 claims description 2
- 150000002009 diols Chemical class 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 150000002989 phenols Chemical class 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 5
- 239000004327 boric acid Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- LGQXXHMEBUOXRP-UHFFFAOYSA-N tributyl borate Chemical compound CCCCOB(OCCCC)OCCCC LGQXXHMEBUOXRP-UHFFFAOYSA-N 0.000 description 1
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B6/00—Hydrides of metals including fully or partially hydrided metals, alloys or intermetallic compounds ; Compounds containing at least one metal-hydrogen bond, e.g. (GeH3)2S, SiH GeH; Monoborane or diborane; Addition complexes thereof
- C01B6/06—Hydrides of aluminium, gallium, indium, thallium, germanium, tin, lead, arsenic, antimony, bismuth or polonium; Monoborane; Diborane; Addition complexes thereof
- C01B6/10—Monoborane; Diborane; Addition complexes thereof
- C01B6/13—Addition complexes of monoborane or diborane, e.g. with phosphine, arsine or hydrazine
- C01B6/15—Metal borohydrides; Addition complexes thereof
- C01B6/19—Preparation from other compounds of boron
- C01B6/21—Preparation of borohydrides of alkali metals, alkaline earth metals, magnesium or beryllium; Addition complexes thereof, e.g. LiBH4.2N2H4, NaB2H7
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は有用な還元剤であるナトリウムボロハイドラ
イドの製造方法に関するものである。The present invention relates to a method for producing sodium borohydride, which is a useful reducing agent.
ナトリウムボロハイドライド（NaBH4）を製造するに
は、液体炭化水素中で反応を行う湿式法が反応温度も低
く、且つ反応収率も良好で好ましい。本発明者等は、先
に硼素原料として硼酸トリアルキルを用い、活性水素供
給試薬として、ナトリウムアルミニウムハイドライド
（NaAlH4）を用いて反応させ、NaBH4を合成することを
提案した。In order to produce sodium borohydride (NaBH 4 ), a wet method in which a reaction is performed in a liquid hydrocarbon is preferable because the reaction temperature is low and the reaction yield is good. The present inventors have previously proposed that NaBH 4 be synthesized by reacting with trialkyl borate as a boron raw material and using sodium aluminum hydride (NaAlH 4 ) as an active hydrogen supply reagent.
しかしながら、上記方法においては活性水素供給試薬
NaAlH4を前もって合成しておく必要があり、より一層の
製造工程の簡略化が望まれた。However, in the above method, the active hydrogen supply reagent
It was necessary to synthesize NaAlH 4 in advance, and further simplification of the manufacturing process was desired.
本発明者等は、上記問題を解決するため、更に研究を
行い、本発明を完成するに至った。The present inventors have further studied to solve the above problems, and have completed the present invention.
即ち、本発明のナトリウムボロハイドライドの新製造
方法は、化学式BZ3（但し、Ｚは以下の化合物類、 （１）アルコール類またはフェノール類 （２）テトラヒドロフルフリールアルコール類 （３）ジオール類の１個の水酸基をアルキル化して得ら
れるエーテルアルコール類 （４）ポリエーテルアルコール類 から選ばれる化合物から活性水素原子を取り除いて得ら
れる有機残基である）から選ばれた少なくとも１種の硼
酸トリアルキルと、ナトリウム、アルミニウム、水素を
反応させてナトリウムボロハイドライドを製造する方法
において、Na/B原子比およびAl/B原子比をそれぞれ1/1
で反応させ、AlZ3を副生させることを特徴とするもので
ある。That is, the new method for producing sodium borohydride of the present invention uses a chemical formula of BZ 3 (where Z is the following compounds, (1) alcohols or phenols, (2) tetrahydrofurfuryl alcohols, (3) diols At least one trialkyl borate selected from ether alcohols obtained by alkylating one hydroxyl group and (4) organic residues obtained by removing active hydrogen atoms from a compound selected from polyether alcohols) And, sodium, aluminum, in the method of producing sodium borohydride by reacting hydrogen, the Na / B atomic ratio and Al / B atomic ratio each 1/1
And by-producing AlZ 3 .
以下本発明に付いて、更に詳しく説明する、本発明の
反応式は次のように示される。Hereinafter, the reaction formula of the present invention, which will be described in more detail with reference to the present invention, is shown as follows.
BZ3＋Na＋Al＋H2→NaBH4＋AlZ3 本発明で用いられる硼酸トリアルキルは製造方法に制
限は無く公知の方法で合成したもので良い。例えば、硼
酸とアルコール類（ZH）から脱水反応により容易に合成
できる。使用される化合物の好ましい例としては、硼酸
トリメチルＢ（−Ｏ−CH3）３、硼酸トリ−ｎ−ブチル
Ｂ（−Ｏ−ｎ−Bu）３、硼酸トリ−２−メトキシ−エチ
ルＢ（−Ｏ−C2H4−Ｏ−CH3）３、硼酸トリ−２−エト
キシ−エチルＢ（−Ｏ−C2H4−Ｏ−C2H5）３等が挙げら
れる。BZ 3 + Na + Al + H 2 → NaBH 4 + AlZ 3 The trialkyl borate used in the present invention is not limited to a production method, and may be synthesized by a known method. For example, it can be easily synthesized from boric acid and alcohols (ZH) by a dehydration reaction. Preferred examples of the compound used, trimethyl borate B (-O-CH 3) 3 , boric acid tri -n- butyl B (-O-n-Bu) 3, boric acid tri-2-methoxy - ethyl B (- O-C 2 H 4 -O- CH 3) 3, boric acid tri-2-ethoxy - ethyl B (-O-C 2 H 4 -O-C 2 H 5) 3 and the like.
金属ナトリウムは高純度のものが好ましい、金属アル
ミニウムは微粉末状のものが好ましい、その製造法はア
トマイズ法、切削法等従来知られた方法で良い。Preferably, the metallic sodium is of high purity, and the metallic aluminum is preferably in the form of fine powder. The production method may be a conventionally known method such as an atomizing method or a cutting method.
金属アルミニウムを周期律表IV b族、V b族の元素と
合金にして用いることは低い水素圧力で、且つ短い反応
時間で合成出来る点において大いに好ましい。周期律表
IV b族、V b族の元素の具体例としては、チタニウム、
ジルコニウム等があげられる。叉その濃度はアルミニウ
ムに対し0.01〜2wt％の範囲が好ましい。It is highly preferable to use metal aluminum as an alloy with an element of Groups IVb and Vb of the periodic table, since it can be synthesized at a low hydrogen pressure and in a short reaction time. Periodic table
Specific examples of the IV b group and V b group elements include titanium,
Zirconium and the like can be mentioned. The concentration is preferably in the range of 0.01 to 2% by weight based on aluminum.
反応に使用する溶媒は、ヘキサン、シクロヘキサン、
トルエン等の炭化水素類、ジエチルエーテル、ジオキサ
ン、ジエチレングリコールジメチルエーテル、テトラヒ
ドロフラン等のエーテル類等があげられる。更にBZ3と
副生するAlZ3の両者に対する良溶媒でNaBH4に対する貧
溶媒が最も好ましく、そのような溶媒であれば反応後濾
過しただけで主成分のNaBH4と未反応原料BZ3や副生する
AlZ3を分離することが出来、反応に続いて行う精製工程
が非常に簡略化できる、この点でトルエン、テトラヒド
ロフランが好ましい。The solvent used for the reaction is hexane, cyclohexane,
Examples thereof include hydrocarbons such as toluene, and ethers such as diethyl ether, dioxane, diethylene glycol dimethyl ether, and tetrahydrofuran. And most preferably the poor solvent is a good solvent for the NaBH 4 for both BZ 3 and by-produced AlZ 3, such solvents are long if the main component of NaBH 4 only was filtered after the reaction and unreacted raw materials BZ 3 sub Live
Toluene and tetrahydrofuran are preferred in this regard, since AlZ 3 can be separated and the purification step following the reaction can be greatly simplified.
原料の装入比率は、NaはBZ3に対して等モルで良いが
多少の増減は構わない、例えば反応系内の脱水の為に１
〜2wt％過剰に添加することは好ましい。AlはBZ3に対し
て0.8〜2.0モル倍で良い、水素は高純度であることが好
ましく、その圧力は10kg/cm2以上特に50〜200kg/cm2が
好ましい。As for the charging ratio of the raw materials, Na may be equimolar to BZ 3 but may be slightly increased or decreased. For example, 1 may be used for dehydration in the reaction system.
It is preferable to add in excess of ~ 2 wt%. Al good at 0.8 to 2.0 moles per mol BZ 3, hydrogen is preferably of high purity, the pressure is 10 kg / cm 2 or more, especially 50 to 200 kg / cm 2 is preferred.
反応温度は100〜170℃で良い、反応方法は一般的な方
法で良く、例えば耐圧オートクレーブにNa、Al粉末と溶
媒を装入し水素で加圧して後、BZ3を装入し、反応を調
節しつつ進行させる、水素圧力で反応の進行を調節して
も良く、叉Naの供給量で反応の進行を調節しても良い。The reaction temperature may be 100 to 170 ° C., the reaction method may be a general method.For example, Na, Al powder and a solvent are charged into a pressure-resistant autoclave, pressurized with hydrogen, and then charged with BZ 3 to carry out the reaction. The progress of the reaction may be controlled by controlling the progress of the reaction by controlling the hydrogen pressure, or the progress of the reaction may be controlled by the supply amount of Na.
かくしてNaBH4と副生のAlZ3が生成する、AlZ3が溶媒
に溶けていれば、先ず濾過を行いNaBH4と残存Alを主成
分とする固体成分とAlZ3と溶媒を分離する。AlZ3が溶媒
に不溶であれば、濾過により溶媒だけを除去する。Thus, NaBH 4 and AlZ 3 as a by-product are produced. If AlZ 3 is dissolved in the solvent, first, filtration is performed to separate NaBH 4 and a solid component mainly composed of residual Al from AlZ 3 and the solvent. If AlZ 3 is insoluble in the solvent, only the solvent is removed by filtration.
何れにしてもその後、流体NH3抽出、各種アミンアル
カリ水溶液による抽出精製等公知の方法を単独又は組合
せて精製を行い、高純度のNaBH4を高収率で得ることが
出来る、副生したAlZ3は各種の化学薬品の原料として有
用である。In any case, after that, purification is performed by a known method such as fluid NH 3 extraction, extraction and purification with various amine alkali aqueous solutions alone or in combination, and high-purity NaBH 4 can be obtained in a high yield. 3 is useful as a raw material for various chemicals.
以下、実施例によって更に詳細に説明する。 Hereinafter, the present invention will be described in more detail with reference to examples.
実施例１ 500mlの電磁撹拌式耐圧オートクレーブの内部を窒素
置換して後、ナトリウム9.4g（0.41モル）、チタニウム
を0.2％含有したアルミニウム粉末13.0g（0.48モル）、
硼酸トリ−ｎ−ブチルＢ（−Ｏ−ｎ−Bu）392.0g（0.40
モル）、テトラヒドロフラン250mlを装入した。次に水
素で圧力を90kg/cm2に保ちつつ、140℃に昇温して7.5時
間反応した後、内容液を60℃に保ちながら濾過した。Example 1 After replacing the inside of a 500-ml electromagnetic stirring pressure-resistant autoclave with nitrogen, 9.4 g (0.41 mol) of sodium, 13.0 g (0.48 mol) of aluminum powder containing 0.2% of titanium,
Tri-n-butyl borate B (-On-Bu) 3 92.0 g (0.40
Mol) and 250 ml of tetrahydrofuran. Next, the temperature was raised to 140 ° C. while maintaining the pressure at 90 kg / cm 2 with hydrogen, and the reaction was carried out for 7.5 hours.
得られた固体成分をテトラヒドロフラン100mlで２回
洗浄し、乾燥後固体成分をイソプロピルアミンで抽出し
フィルターで濾過して精製した。The obtained solid component was washed twice with 100 ml of tetrahydrofuran, and after drying, the solid component was extracted with isopropylamine and purified by filtration with a filter.
白色のNaBH4粉11.4gが得られ、収率は75％であった。
叉ヨードメトリーによる純度は99.5％であつた。11.4 g of white NaBH 4 powder was obtained, and the yield was 75%.
The purity by iodometry was 99.5%.
実施例２ 実施例１と同じ装置を用いて実験を行った、硼酸トリ
−２−エトキシ−エチルＢ（−Ｏ−C2H4−Ｏ−C2H5）38
3.3g（0.3モル）、ナトリウム7.0g（0.304モル）、チタ
ニウムを0.1％含有したアルミニウム粉末9.3g（0.345モ
ル）、トルエン200mlを装入した後、水素で圧力を90kg/
cm2に保ちつつ145℃に昇温して、6.5時間反応した。次
に内容液を濾過し、固体成分が得られるのでトルエン10
0mlで２回洗浄した後、乾燥した。Example 2 Experiments were carried out using the same apparatus as in Example 1, boric acid tri-2-ethoxy - ethyl B (-O-C 2 H 4 -O-C 2 H 5) 3 8
After charging 3.3 g (0.3 mol), sodium 7.0 g (0.304 mol), aluminum powder 9.3 g (0.345 mol) containing 0.1% titanium and 200 ml of toluene, the pressure was increased to 90 kg / h with hydrogen.
The temperature was raised to 145 ° C. while maintaining cm 2, and the reaction was performed for 6.5 hours. Next, the content liquid is filtered to obtain a solid component.
After washing twice with 0 ml, it was dried.
乾燥した固体成分をイソプロピルアミンで抽出しフィ
ルターで濾過して精製した。白色のNaBH4粉9.1gが得ら
れ、収率は80％であった。叉モードメトリーによる純度
は99.1％であつた。The dried solid component was extracted with isopropylamine and filtered through a filter for purification. 9.1 g of white NaBH 4 powder was obtained, and the yield was 80%. The purity by fork modemetry was 99.1%.
実施例３ チタニウム0.01％を含有したアルミニウム粉末を用い
た以外は実施例１と同様の実験を行った結果、白色のNa
BH4粉末8.9gが得られた。Example 3 The same experiment as in Example 1 was performed except that aluminum powder containing 0.01% of titanium was used.
8.9 g of BH 4 powder were obtained.
収率は78％であった。 The yield was 78%.
叉、ヨードメトリーによる純度は99.0％であった。 The purity by iodometry was 99.0%.
実施例４ 高純度のアルミニウム粉末を用いた以外は実施例１と
同様に実験を行ったが、ただし一部反応条件を変更し
た。即ち水素の圧力150kg/cm2、反応温度は150℃として
12時間反応した。Example 4 An experiment was conducted in the same manner as in Example 1 except that a high-purity aluminum powder was used, except that the reaction conditions were partially changed. That is, the hydrogen pressure is 150 kg / cm 2 and the reaction temperature is 150 ° C.
Reaction was carried out for 12 hours.
白色のNaBH4粉末8.4gが得られた。8.4 g of white NaBH 4 powder were obtained.
収率は74％であった。 The yield was 74%.
叉、ヨードメトリーによる純度は99.0％であった。 The purity by iodometry was 99.0%.
本発明の方法によれば、前もってNaAlH4を合成する必
要は無く、BZ3、Na、Al粉、水素といった安価な素原料
から直接NaBH4を高収率で合成出来る。そして製造工程
を大幅に簡略化出来る点で経済的効果は非常に大きい。According to the method of the present invention, it is not necessary to synthesize NaAlH 4 in advance, and NaBH 4 can be directly synthesized from inexpensive raw materials such as BZ 3 , Na, Al powder, and hydrogen in high yield. The economic effect is very large in that the manufacturing process can be greatly simplified.
Claims (1)
型のエーテルアルコール類 ポリエーテルアルコール類 から選ばれる化合物から活性水素原子を取り除いて得ら
れる有機残基である）から選ばれた少なくとも１種の硼
酸トリアルキルと、ナトリウム、アルミニウム、水素を
反応させてナトリウムボロハイドライドを製造する方法
において、Na/B原子比およびAl/B原子比をそれぞれ1/1
で反応させ、AlZ3を副生させることを特徴とするナトリ
ウムボロハイドライドの新製造方法。1. A compound of the formula BZ 3 , wherein Z is the following compound: alcohols or phenols: tetrahydrofurfuryl alcohols: ether alcohols of the type obtained by alkylating one hydroxyl group of diols; polyether alcohols An organic residue obtained by removing an active hydrogen atom from a compound selected from the group consisting of), sodium, aluminum and hydrogen to produce sodium borohydride. Na / B atomic ratio and Al / B atomic ratio are 1/1
A new method for producing sodium borohydride, characterized in that AlZ 3 is produced as a by-product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1038186A JP2809667B2 (en) | 1989-02-20 | 1989-02-20 | New production method of sodium borohydride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1038186A JP2809667B2 (en) | 1989-02-20 | 1989-02-20 | New production method of sodium borohydride |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02217304A JPH02217304A (en) | 1990-08-30 |
| JP2809667B2 true JP2809667B2 (en) | 1998-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1038186A Expired - Fee Related JP2809667B2 (en) | 1989-02-20 | 1989-02-20 | New production method of sodium borohydride |
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| Country | Link |
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| JP (1) | JP2809667B2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4965589B2 (en) * | 2008-02-26 | 2012-07-04 | ローム アンド ハース カンパニー | Method for producing borohydride compound |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58217426A (en) * | 1982-06-09 | 1983-12-17 | Mitsui Toatsu Chem Inc | Simultaneous manufacture of sodium borohydride and substituted aluminum hydride |
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1989
- 1989-02-20 JP JP1038186A patent/JP2809667B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02217304A (en) | 1990-08-30 |
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