71435
氰基硼氢化钠
purum, ≥95.0% (RT)
别名:
Sodium cyanotrihydridoborate
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关于此项目
线性分子式:
NaBH3CN
化学文摘社编号:
分子量:
62.84
EC Number:
247-317-2
UNSPSC Code:
12352000
PubChem Substance ID:
Beilstein/REAXYS Number:
4152656
MDL number:
InChI key
CVDUGUOQTVTBJH-UHFFFAOYSA-N
InChI
1S/CH3BN.Na/c2-1-3;/h2H3;/q-1;+1
SMILES string
[Na+].[BH3-]C#N
grade
purum
assay
≥95.0% (RT)
reaction suitability
reagent type: reductant
mp
>242 °C (dec.) (lit.)
solubility
THF: soluble(lit.), alcohol: soluble(lit.), hydrocarbons: insoluble(lit.), water: soluble(lit.)
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General description
Sodium cyanoborohydride is a versatile reducing agent stable in aqueous solution at pH 7.2. It is a weaker reducing agent as compared to NaBH4. It effectively reduces Schiff bases. NaCNBH4 participates in the reductive methylation for the efficient and selective conversion of the ε-amino groups of lysyl residues in proteins to the mono- and dimethyl derivatives.
Review on sodium cyanoborohydride has been reported. It participates in selective reductions with NaCNBH3, modified with zinc chloride, with zinc iodide.
Review on sodium cyanoborohydride has been reported. It participates in selective reductions with NaCNBH3, modified with zinc chloride, with zinc iodide.
Application
Sodium cyanoborohydride may be used in the following studies:
- As reducing agent for the in vitro radiolabeling of proteins by reductive alkylation.
- Reduction of aldehydes and ketones.
- Selective deoxygenation of aldehydes and ketones.
- Preparation of colloidal gold particles of varying sizes.
Other Notes
综述；使用 NaCNBH4 选择性还原，使用氯化锌改性；使用碘化锌
signalword
Danger
Hazard Classifications
Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Flam. Sol. 1 - Skin Corr. 1B - Water-react 1
supp_hazards
存储类别
4.3 - Hazardous materials which set free flammable gases upon contact with water
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
法规信息
新产品
此项目有
C.K. Lau et al.
The Journal of Organic Chemistry, 51, 3038-3038 (1986)
C.F. Lane
Synthesis, 135-135 (1975)
S. Kim et al.
The Journal of Organic Chemistry, 50, 1927-1927 (1985)
Sodium cyanoborohydride-a highly selective reducing agent for organic functional groups.
Clinton F.
Synthesis, 3, 135-146 (1975)
Preparation of colloidal gold particles of various sizes using sodium borohydride and sodium cyanoborohydride.
R G DiScipio
Analytical biochemistry, 236(1), 168-170 (1996-04-05)
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