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Merck

24-4350

Sigma-Aldrich

铬酸钾

SAJ first grade, ≥98.5%

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About This Item

线性分子式:
K2CrO4
CAS号:
分子量:
194.19
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
PubChem物質ID:

等級

SAJ first grade

蒸汽密度

6.7 (vs air)

化驗

≥98.5%

形狀

solid

存貨情形

available only in Japan

pH值

8.5-10.0 (20 °C, 50 g/L)

mp

971 °C (lit.)

SMILES 字串

[K+].[K+].[O-][Cr]([O-])(=O)=O

InChI

1S/Cr.2K.4O/q;2*+1;;;2*-1

InChI 密鑰

XMXNVYPJWBTAHN-UHFFFAOYSA-N

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訊號詞

Danger

危險分類

Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


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Ying Li et al.
Colloids and surfaces. B, Biointerfaces, 65(1), 25-29 (2008-04-02)
Adsorption thermodynamic characteristic and kinetics of dissolved chromium from aqueous solutions onto humic acids (HAs) were studied. The results showed that the Freundlich isotherm model described the equilibrium data well. The negative DeltaG degrees confirmed the spontaneity of adsorption process.
Nejla Soudani et al.
Experimental and toxicologic pathology : official journal of the Gesellschaft fur Toxikologische Pathologie, 63(6), 541-548 (2010-05-25)
Chromium, a major environmental pollutant, is known for its wide toxic manifestations. The present experiment pertains to the protective role of selenium (Se) against K(2)Cr(2)O(7)-induced hepatotoxicity. Female Wistar rats were divided into four groups of six each: group I served
Xiao-Zhang Yu et al.
Ecotoxicology (London, England), 19(1), 61-68 (2009-09-04)
The removal of hexavalent and trivalent chromium from hydroponic solution by plants to changes in temperature was investigated. Pre-rooted hybrid willows (Salix matsudana Koidz x alba L.) were exposed to a nutrient solution spiked with potassium chromate (K(2)CrO(4)) or chromium
Saturnino Spiga et al.
Brain structure & function, 216(3), 171-182 (2011-04-05)
Visualization of neuronal elements is of fundamental importance in modern neuroscience. Golgi-Cox impregnation is a widely employed method that provides detailed information about morphological characteristics of neurons, but none regarding their neurochemical features. Immunocytochemical procedures, on the other hand, can
Inês Domingues et al.
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP, 152(3), 338-345 (2010-06-23)
The present work aims to compare the sensitivity of embryos and adult zebrafish to chromium (VI) (as potassium dichromate) focusing on biomarkers (cholinesterase, glutathione S-transferase and lactate dehydrogenase) as endpoints. Zebrafish eggs showed less sensitivity to Cr (VI) (96 h-LC50=145.7

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