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044871

044871-1g



Sodium cyanoborohydride


CAS Number: 25895-60-7
   
Molecular Formula: NaBH3CN
   
Molecular Weight: 62.84
   
MDL Number: MFCD00003516

Special Handling and Safety: >30g **AIR** Special DOT packaging Charge $20

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044871-1g
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044871-5g
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044871-10g
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044871-25g
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044871-100g
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044871-500g
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Purity:97%
Mp:241-243°
Density:1.12
 
Pictograms:
Signal Word:Danger
Hazard Statements:H228.1, H260, H301, H311, H314, H318, H331, H410, EUH031
Precautionary Statements:P201, P202, P210, P223, P231 + P232, P235, P260, P264, P273, P280, P301 + P310, P301 + P330 + P331, P303 + P361 + P353, P305 + P351 + P338, P310, P335 + P334, P391
UN#:UN3179
Packing Group:II
Hazard Class:4.1
, 6.1

Flash Point:70°
Risk Statements:26/27/28-32-34-50/53-16-15-11-51/53-36-23/24/25-19
Safety Statements:26-28-36/37/39-45-60-61-8-50A-43-28A-1-16
SDS: See MSDS
 
Limited Quantities:1.0 Kg (2.2 lbs)
Excepted Quantities:Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)

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A selective reducing reagent ideal for reductive aminations that can be carried out as a one-pot procedure by introducing the reducing agent into a mixture of the amine and carbonyl compound.1 Used in tin-free Giese reaction of alkyl iodides with electron-deficient alkenes,2 preparation of primary amines by reductive amination of aldehydes and hemiacetals with no or minimal formation of the usual secondary and tertiary amine byproduct,3 intermolecular hydroamination of terminal alkynes,4 conversion of some heterocyclic aldehydes to esters,5 intramolecular reductive cyclization of diketoximes to afford N-hydroxy heterocycles,6 and reductive N-alkylation with acetone and levulinic acid.7 Also applied in hydrogenolysis reactions, such as the opening of acetals.8
Reference

1.        Tetrahedron Lett. 200950, 6658.
2.        Org. Lett.200810, 1005.
3.        J. Org. Chem.201075, 5470.
4.        Org. Lett., 20035, 4767.
5.        Synth. Comm. 201141, 2505.
6.        Org. Biomol. Chem. 20119, 4642.
7.        Int. J. Biol. Macromol. 201047, 184.
8.        Tetrahedron 199551, 3339.

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