Sodium Cyanoborohydride CAS 25895-60-7
Sodium Cyanoborohydride CAS 25895-60-7Sodium Cyanoborohydride CAS 25895-60-7

Sodium Cyanoborohydride CAS 25895-60-7

Sodium Cyanoborohydride CAS 25895-60-7,Sodium Cyanoborohydride, CAS 25895-60-7

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Reductive amination: Aldehydes/ketones react with amines to form secondary or tertiary amines (Borch reaction), with medium to high yields (e.g., 92% synthetic polycyclic amines)

25895-60-7

CH3BNNa

62.84

247-317-2

Sodium Cyanoborohydride CAS 25895-60-7 Information

CAS 25895-60-7
Molecular formula CH3BNNa
Molecular weight 62.84
EIENCS 247-317-2
Form Powder
Melting point >242°C
boling point 307°C
Density 1.083 g/mL at 25°C
Solubility Soluble in water (100 mg/ml, with heating), methanol, ethanol, and THF. It is insoluble in nonpolar solvents such as benzene or hexane
PKA /
Color White
Storage temp Store below +30°C.

Sodium Cyanoborohydride CAS 25895-60-7

What is Sodium Cyanoborohydride CAS 25895-60-7?

Molecules and physicochemical parameters

Molecular formula: CH₃BNNa (or NaBH₃CN)

Molecular weight: 62.84 g/mol

Appearance: White to slightly yellow crystalline powder, hygroscopic

Melting and boiling points: Melting point >240°C (decomposition), boiling point 307°C

Solubility

Readily soluble in water (2120 g/L, 29℃), methanol, tetrahydrofuran (THF)

Insoluble in ether, benzene and hexane

Stability: Slowly decomposes in contact with water, and reacts vigorously with strong acids to release hydrogen cyanide (HCN) (highly toxic).

Restoration feature

pH dependence

When pH < 4, aldehydes/ketones are reduced to alcohols.

Selective reduction of imine ions at pH 5 to 8 (the core condition for reductive amination)

Selective advantage: It does not reduce functional groups such as ester groups, nitro groups, and halogenated hydrocarbons


Sodium Cyanoborohydride CAS 25895-60-7 Use

Organic synthesis reducing agent

Reductive amination: Aldehydes/ketones react with amines to form secondary or tertiary amines (Borch reaction), with medium to high yields (e.g., 92% synthetic polycyclic amines)

Special restoration

β -lactam →β -amino acid

Reduction of oxime and enamine;

It is used in combination with formaldehyde to achieve the methylation of amines

Applicable in acidic environments: Stable at pH≈3, superior to sodium borohydride (NaBH₄)

Industrial and functional applications

Foaming agent: Used in the production of plastics and rubber

Environmental protection treatment: Mercury-containing wastewater treatment agent

Pharmaceutical synthesis: Hydrogenation agent of dihydrostreptomycin, preparation of antibiotic intermediates


Sodium Cyanoborohydride CAS 25895-60-7 safety

Classification of hazards

Highly toxic: Central nervous system damage caused by inhalation/skin contact (R26/27/28)

Flammable and explosive: Releases hydrogen upon contact with water (R15), and explodes when mixed with oxidants (R16)

Environmental toxicity: Highly toxic to aquatic organisms (R50/53)

Operation protection

Essential equipment: gas mask, chemical protective suit, goggles, acid-resistant gloves

Ventilation requirements: Operate in a fume hood to avoid inhaling dust or vapor

Emergency response

Leakage: Absorb with dry sand or soda ash. Do not use tools containing water.

Fire extinguishing: Carbon dioxide, dry powder fire extinguishers (water is prohibited);

Contact with skin: Rinse immediately with plenty of water for 15 minutes and seek medical attention.

Long-term storage

Sealed in an inert gas environment (such as argon);

Store independently in a fireproof and explosion-proof cabinet, away from acids, oxidants and water sources.


Deshangchemical Info

  • ● Comgpany name : Shandong Deshang Chemicals Co., Ltd.
  • ● Main products : Treatments, sedimentation agents, flame retardants, catalysts, matte pigments, talcum powder, PVC additives, antifreeze agents, cellulose, cleaning agents, coconut oil, hydroxyethyl, cosmetics, matte agents, betaine, disinfectants, photosensitizers, humidifying agents, blue pigments, curing agents, potassium formate, sodium formate, cyclohexanol, preservatives, grinding aids.
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