31252
氰化钾
puriss. p.a., ACS reagent, reag. Ph. Eur., ≥97.0%
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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:
NB.24
PubChem Substance ID:
EC Number:
205-792-3
Beilstein/REAXYS Number:
3593645
MDL number:
Assay:
≥97.0%
Form:
crystals
InChI key
YUZRZFQHUCKACF-UHFFFAOYSA-N
InChI
1S/CN.K/c1-2;
SMILES string
[K]C#N
grade
ACS reagent, puriss. p.a.
agency
ISO, USP/NF, reag. Ph. Eur.
assay
≥97.0%
form
crystals
impurities
≤0.01% thiocyanate (SCN)
pH
11.5 (20 °C, 20 g/L)
mp
634 °C (lit.)
anion traces
chloride (Cl-): ≤200 mg/kg, phosphate (PO43-): ≤50 mg/kg, sulfate (SO42-): ≤400 mg/kg, sulfide (S2-): ≤5 mg/kg
cation traces
Fe: ≤100 mg/kg, Na: ≤5000 mg/kg, Pb: ≤2 mg/kg
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General description
氰化钾是一种钾盐，是一种无色的吸湿性化合物。
Application
氰化钾已用于：
- 还原锡石进行Sn同位素分析
- 金微电极制备
- 制作校准曲线，用于高粱和苏丹草中氢氰酸(HCN)水平的比色测定
Biochem/physiol Actions
氰化钾(KCN)可用于染色、印刷、摄影、金属清洗和生产。可作为可逆细胞色素氧化酶抑制剂，抑制细胞呼吸。KCN吸入或摄入有毒。
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
法规信息
监管及禁止进口产品
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