207810
氰化钾
ACS reagent, ≥96.0%
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关于此项目
线性分子式:
KCN
化学文摘社编号:
分子量:
65.12
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
EC Number:
205-792-3
Beilstein/REAXYS Number:
3593645
MDL number:
Assay:
≥96.0%
Grade:
ACS reagent
Form:
granular
Solubility:
water: soluble(lit.)
grade
ACS reagent
Quality Segment
assay
≥96.0%
form
granular
pH
11.5 (20 °C, 20 g/L)
mp
634 °C (lit.)
solubility
water: soluble(lit.)
anion traces
S2-: ≤0.003%, SCN-: passes test, chloride (Cl-): ≤0.5%, phosphate (PO43-): ≤0.005%, sulfate (SO42-): ≤0.04%
cation traces
Fe: ≤0.03%, Na: ≤0.5%, Pb: ≤2 ppm
SMILES string
[K]C#N
InChI
1S/CN.K/c1-2;
InChI key
YUZRZFQHUCKACF-UHFFFAOYSA-N
General description
Potassium cyanide is a colorless hygroscopic compound. Its crystals exhibit cubic crystal system. It can be prepared by reacting hydrogen cyanide with potassium hydroxide. It participates in benzoin condensation reaction.
Application
Potassium cyanide may be employed in the following studies:
- As a reducing agent in the colorimetric determination of amino acids.
- Preparation of ferrocylacetonitrile, via reaction with methiodide of N,N-dimethylaminomethylferrocene.
- Synthesis of O-acetylcyanohydrins.
- Cyanation of aldimines via asymmetric Strecker-type reactions in the presence of chiral phase-transfer catalysts to form α-amino nitriles.
- Metal-catalyzed addition of cyanide to 1,2-epoxides to form β-hydroxy nitriles.
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signalword
Danger
Hazard Classifications
Acute Tox. 1 Oral - Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Met. Corr. 1 - STOT RE 1
target_organs
Thyroid
supp_hazards
存储类别
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable