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China Cheap price Tetrabutylammonium Hydroxide 2052-49-5 - Factory supply best price Sodium triacetoxyborohydride powder CAS 56553-60-7 – Zoran

China Cheap price Tetrabutylammonium Hydroxide 2052-49-5 - Factory supply best price Sodium triacetoxyborohydride powder CAS 56553-60-7 – Zoran

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We're proud from the higher client fulfillment and wide acceptance due to our persistent pursuit of high quality both on product and service for Sodium Triacetoxyborohydride, Nano Tungsten Carbide, Nano Chromium Carbide, Since the factory founded, we have committed to the development of new products. With the social and economic pace, we will continue to carry forward the spirit of "high quality, efficiency, innovation, integrity", and stick to the operating principle of "credit first, customer first, quality excellent". We will create a brilliant future in hair production with our partners.
China Cheap price Tetrabutylammonium Hydroxide 2052-49-5 - Factory supply best price Sodium triacetoxyborohydride powder CAS 56553-60-7 – Zoran Detail:

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Safe shipping way CAS 56553-60-7 powder Sodium triacetoxyborohydride
Product name: Sodium triacetoxyborohydride
CAS: 56553-60-7
Molecular formula: C6H10BNaO6
Appearance: white powder
Content: 95.0%~105.0%(titration)
Uses: For amination reduction reaction of ketone and aldehyde, reductive amination or lactamization of carbonyl compound and amine, and reductive amination of aryl aldehyde
Capacity: 5~10mt/month

Sodium triacetoxyborohydride (STAB) CAS 56553-60-7 also known as sodium triacetoxyhydroborate, commonly abbreviated STAB, is a chemical compound with the formula Na(CH3COO)3BH. Like other borohydrides, it is used as a reducing agent in organic synthesis. This colourless salt is prepared by protonolysis of sodium borohydride with acetic acid: NaBH4 + 3 HO2CCH3 → NaBH(O2CCH3)3 + 3 H2.

Owing to the steric and electronic effects of the acetoxy groups, sodium triacetoxyborohydride is a milder reducing agent than sodium borohydride or even sodium cyanoborohydride. Furthermore, NaBH(OAc)3 avoids the toxic side-products generated by sodium cyanoborohydride. Sodium triacetoxyborohydride is especially suitable for reductive aminations of aldehydes and ketones.

However, unlike sodium cyanoborohydride, the triacetoxyborohydride is water-sensitive, and water cannot be used as a solvent with this reagent, nor is it compatible with methanol. It reacts only slowly with ethanol and isopropanol and can be used with these. NaBH(OAc)3 may also be used for reductive alkylation of secondary amines with aldehyde-bisulfite adducts.

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  • After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By Prudence from Singapore - 2017.11.01 17:04
    Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
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