پتاسیم کرومات Potassium chromate 104952
پتاسیم کرومات
Potassium chromate
104952
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104952
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Potassium chromate
for analysis EMSURE® ACS,Reag. Ph Eur
Synonym(s):
Potassium chromate, chromic acid potassium salt
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250 G
€93.10
1 KG
€234.00
About This Item
Empirical Formula (Hill Notation):
CrK2O4
CAS Number:
Molecular Weight:
194.19
MDL number:
UNSPSC Code:
12352302
EC Index Number:
232-140-5
NACRES:
NA.21
1049520250
€93.10
Availability
Estimated to ship onMarch 11, 2025
To order products, please contact your local dealer.
فروش مواد شیمیایی
grade
ACS reagent
Quality Level
Agency
reag. Ph. Eur.
product line
EMSURE®
Assay
≥99.5% (iodometric)
form
solid
impurities
≤0.005% In water insoluble matter
pH
9.0-9.8 (20 °C, 50 g/L in H2O)
mp
985 °C
solubility
637 g/L
density
2.73 g/cm3 at 18 °C
bulk density
1400 kg/m3
anion traces
chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.01%
cation traces
Ca: ≤0.005%
Na: ≤0.02%
Pb: ≤0.005%
storage temp.
2-30°C
InChI
1S/Cr.2K.4O/q;2*+1;;;2*-1
InChI key
XMXNVYPJWBTAHN-UHFFFAOYSA-N
Analysis of the Effects of Cr(VI) Exposure on mRNA Modifications.: This research investigates the impact of potassium chromate exposure on mRNA modifications using sophisticated analytical chemistry techniques, revealing insights into the molecular mechanisms of chromium toxicity and its implications for human health (Chen et al., 2019).
Determination of urine oxalate level in rats with renal calcium oxalate calculus by high-performance liquid chromatography.: Utilizing potassium chromate in the chromatographic analysis, this study presents a method for accurately measuring urine oxalate levels, crucial for research on kidney stone prevention (Cao et al., 2015).
Shotgun proteomic analysis unveils survival and detoxification strategies by Caulobacter crescentus during exposure to uranium, chromium, and cadmium.: Incorporates potassium chromate to study microbial resistance mechanisms through proteomic profiling, providing valuable data for bioremediation strategies (Yung et al., 2014).
Analytical study of modern paint layers on metal knight shields: the use and effect of titanium white.: Features methods where potassium chromate aids in the identification of chemical components in cultural heritage conservation studies (Lauridsen et al., 2014).
Analysis Note
Assay (iodometric): ≥ 99.5 %
In water insoluble matter: ≤ 0.005 %
pH-value (5 %; water): 9.0 - 9.8
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.01 %
Ca (Calcium): ≤ 0.005 %
Na (Sodium): ≤ 0.02 %
Pb (Lead): ≤ 0.005 %
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
Safety Information
Pictograms
Signal Word
Danger
Hazard Statements
H315 - H317 - H319 - H335 - H340 - H350i - H410
Precautionary Statements
P202 - P273 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
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
Storage Class Code
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
فروش مواد شیمیایی مرک
104952 Supelco Potassium chromate
Zoom
for analysis EMSURE® ACS,Reag. Ph Eur
Potassium chromate MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
Synonyms: chromic acid potassium salt
CAS #: 7789-00-6 EC Number: 232-140-5 Molar Mass: 194.2 g/mol Chemical Formula: K₂CrO₄ Hill Formula: CrK₂O₄ Grade: ACS,Reag. Ph Eur
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104952
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Overview
Key Spec Table
CAS # | EC Number | Hill Formula | Chemical Formula | Molar Mass | Grade Value |
|---|---|---|---|---|---|
7789-00-6 | 232-140-5 | CrK₂O₄ | K₂CrO₄ | 194.2 g/mol | ACS,Reag. Ph Eur |
Pricing & Availability
Catalogue Number | Availability | Packaging | Qty/Pack | Price | Quantity | |
|---|---|---|---|---|---|---|
1049520250 | In Stock | Plastic bottle | 250 g | EUR 79.10 | ||
1049521000 | In Stock | Plastic bottle | 1 kg | EUR 202.00 |
Add To Cart
Description | |
|---|---|
Catalogue Number | 104952 |
Synonyms | chromic acid potassium salt |
Product Information | |
|---|---|
CAS number | 7789-00-6 |
EC index number | 024-006-00-8 |
EC number | 232-140-5 |
Grade | ACS,Reag. Ph Eur |
Hill Formula | CrK₂O₄ |
Chemical formula | K₂CrO₄ |
Molar Mass | 194.2 g/mol |
HS Code | 2841 50 12 |
Quality Level | |
Physicochemical Information | |
|---|---|
Density | 2.73 g/cm3 |
Melting Point | 968.3 °C |
pH value | 8.5 - 10.0 (50 g/l, H₂O, 20 °C) |
Bulk density | 1400 kg/m3 |
Solubility | 637 g/l |
Safety Information according to GHS | |
|---|---|
Hazard Pictogram(s) |
|
Hazard Statement(s) | H315: Causes skin irritation. |
Precautionary Statement(s) | P202: Do not handle until all safety precautions have been read and understood. |
Signal Word | Danger |
Storage class | 6.1D Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects |
WGK | WGK 3 highly hazardous to water |
Disposal | 22 |
Safety Information | |
|---|---|
Categories of danger | carcinogenic, mutagenic, irritant, sensitizing, dangerous for the environment |
Storage and Shipping Information | |
|---|---|
Storage | Store at +2°C to +30°C. |
Transport Information | |
|---|---|
Declaration (railroad and road) ADR, RID | UN 3077 , 9, III |
Declaration (transport by air) IATA-DGR | UN 3077 , 9, III |
Declaration (transport by sea) IMDG-Code | UN 3077 , 9, III, Marine Pollutant: P |
Specifications | |
|---|---|
Assay (iodometric) | ≥ 99.5 % |
In water insoluble matter | ≤ 0.005 % |
pH-value (5 %; water) | 9.0 - 9.8 |
Chloride (Cl) | ≤ 0.001 % |
Sulfate (SO₄) | ≤ 0.01 % |
Ca (Calcium) | ≤ 0.005 % |
Na (Sodium) | ≤ 0.02 % |
Pb (Lead) | ≤ 0.005 % |
Global Trade Item Number | |
|---|---|
Catalogue Number | GTIN |
1049520250 | 04022536057965 |
1049521000 | 04022536057972 |
