216615
铬酸钾
ACS reagent, ≥99.0%
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关于此项目
线性分子式:
K2CrO4
化学文摘社编号:
分子量:
194.19
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
232-140-5
MDL number:
Assay:
≥99.0%
Grade:
ACS reagent
Form:
crystals
Solubility:
water: soluble (39.4 g/l (86 °F / 30 °C), 637 g/l (68 °F / 20 °C))
grade
ACS reagent
Quality Level
vapor density
6.7 (vs air)
assay
≥99.0%
form
crystals
impurities
≤0.005% insolubles
pH
8.6-9.8 (25 °C, 5%)
mp
971 °C (lit.)
solubility
water: soluble (39.4 g/l (86 °F / 30 °C), 637 g/l (68 °F / 20 °C))
anion traces
chloride (Cl-): ≤0.005%, sulfate (SO42-): ≤0.03%
cation traces
Ca: ≤0.005%, Na: ≤0.02%
SMILES string
[K+].[K+].[O-][Cr]([O-])(=O)=O
InChI
1S/Cr.2K.4O/q;2*+1;;;2*-1
InChI key
XMXNVYPJWBTAHN-UHFFFAOYSA-N
General description
铬酸钾（K2CrO4）是一种无机固体化合物。它主要用作有机化合物合成中的氧化剂。
Application
铬酸钾可作为氧化剂用于：
铬酸钾也用于：
- 使用硫酸四丁基氢铵催化剂将伯、仲醇转化为醛、酮类。
铬酸钾也用于：
- 通过与硫酸铁(II)反应制备磁性活性化合物。
- 作为伯烯丙基和苯基卤化物转化为醛的试剂。
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signalword
Danger
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
存储类别
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
危险化学品
此项目有
Zubeyde Bayram-Weston et al.
Journal of neuroscience methods, 265, 81-88 (2015-10-16)
The Golgi-Cox stain is an established method for characterising neuron cell morphology. The method highlights neurite processes of stained cells allowing the complexity of dendritic branching to be measured. Conventional rapid Golgi and Golgi-Cox methods all require fresh impregnation in
Redetermination of the structures of potassium sulphate and potassium chromate: the effect of electrostatic crystal forces upon observed bond lengths.
McGinnety JA.
Acta Crystallographica Section B, Structural Science, 28(9), 2845-2852 (1972)
Eagleson M.
Concise Encyclopedia Chemistry, 881-881 (1994)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 216615-500G | 04061835346738 |
| 216615-100G | 04061835346721 |