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Home Cas 123-75-1 API Raw Material Pyrrolidine C4H9N 99% High Purity
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Cas 123-75-1 API Raw Material Pyrrolidine C4H9N 99% High Purity

Product parameters

Product name

Sodium Borohydride

CAS

16940-66-2

MF

BH4Na

EINECS

241-004-4

Appearance

White Crystalline Powder

Purity

99.0%min

Delivery Time

7-10 days

Stability

Stability Stable

Storage Temperature

but reacts readily with water (reaction may be violent). Incompatible with water

PH value

oxidizing agents

flashing point

carbon dioxide

Boiling point

hydrogen halides

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Product Details
Product Description


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Basic Information:

New API Raw Material Chemical 99% Pure CAS 16940-66-2 with high quality

Product Name: Sodium borohydride
Synonyms:
SBH
1H-borole
VenPure? SF
Sodium borohydride
sodium boron(-1) anion
Sodiumborohydridepowder
Sodium tetrahydroborate
Sodiumborohydridepellets
Sodiumborohydridetablets
Sodium tetrahydridoborate
Sodiumborohydridewhitepowder
Sodiumborohydrideonneutralalumina
SodiuM borohydride solution 2.0 M in triethylene glycol diMethyl ether
CAS: 16940-66-2
MF: BH4Na
MW: 37.83
Appearance: white crystalline powder

Chemical Properties:


Boiling point 500°C
density 1.035g/mLat 25°C
melting point >300 °C (dec.) (lit.)
boiling poin 500°C
Solubility 550 g/L (25 ºC)
sensibility Hygroscopic
Physico-chemical property White crystalline powder. The relative density is 1.074. Decomposes at a vacuum of 400 ° C. It is hygroscopic, stable in dry air and decomposes in wet air. Soluble in water, liquid ammonia, amines, slightly soluble in tetrahydrofuran, insoluble in ether, benzene, hydrocarbons. It reacts with water to produce hydrogen. Sodium borohydride alkaline solution is brownish yellow.


Usage and Synthesis:


Physical properties Diethyl(phenylacetyl)malonate has a boiling point of 500°C(Predicted). Its density is predicted to be 1.035g/mLat 25°C
Uses It is a good reducing agent, which is characterized by stable performance and selectivity in reduction. It can be used as a reducing agent for aldehydes, ketones and acyl chloride, a blowing agent for plastics, a hydrogenating agent for the manufacture of dihydrostreptomycin, an intermediate for the manufacture of potassium borohydride, a raw material for the synthesis of borane, and a treatment agent for the paper industry and mercury-containing sewage. Or fuel cell hydrogen source carrier.
Preparation Sodium borate methyl ester process; Boric acid and an appropriate amount of methanol were added to the distillation kettle, heated slowly, and fully reflow for 2h at 54℃. Then methyl borate and methanol azeotrope were collected. The azeotrope was treated with sulfuric acid and purified after distillation. The sodium hydride obtained by the action of hydrogen and sodium is sent into the condensation reaction tank, heated to about 220 ° C under stirring, methyl borate is added, and the heating is stopped at 260 ° C. I The feeding temperature is controlled below 280 ° C, and continue to stir after feeding to make it fully react. After formation, the product was cooled to below 100℃ and centrifuged to obtain the condensed product filter cake. Add appropriate amount of water to the hydrolyser, slowly add the filter cake to the hydrolyser, control the temperature below 50℃, after the feeding is completed, the temperature rises to 80℃, centrifuge separation, the hydrolysate is sent to the stratifier, static for 1h after automatic stratification, the lower hydrolysate is sodium borohydride solution.

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