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104952 鉻酸鉀

GR for analysis EMSURE® ACS,Reag. Ph Eur

鉻酸鉀 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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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
7789-00-6232-140-5CrK₂O₄K₂CrO₄194.2 g/molACS,Reag. Ph Eur

Products

Catalogue NumberPackaging Qty/Pack
1.04952.0250 塑膠瓶 250 g
1.04952.1000 塑膠瓶 1 kg
Description
Catalogue Number104952
Synonymschromic acid potassium salt
References
Product Information
CAS number7789-00-6
EC index number024-006-00-8
EC number232-140-5
GradeACS,Reag. Ph Eur
Hill FormulaCrK₂O₄
Chemical formulaK₂CrO₄
Molar Mass194.2 g/mol
HS Code2841 50 12
Quality LevelMQ300
Applications
Biological Information
Physicochemical Information
Density2.73 g/cm3
Melting Point968.3 °C
pH value8.5 - 10.0 (50 g/l, H₂O, 20 °C)
Bulk density1400 kg/m3
Solubility637 g/l
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H315: Causes skin irritation.
H317: May cause an allergic skin reaction.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
H340: May cause genetic defects.
H350i: May cause cancer by inhalation.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s)P202: Do not handle until all safety precautions have been read and understood.
P273: Avoid release to the environment.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P302 + P352: IF ON SKIN: Wash with plenty of water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P313: IF exposed or concerned: Get medical advice/ attention.
Signal WordDanger
Storage class6.1D Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGKWGK 3 highly hazardous to water
Disposal22
Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I.
Safety Information
Categories of dangercarcinogenic, mutagenic, irritant, sensitizing, dangerous for the environment
Product Usage Statements
Storage and Shipping Information
StorageStore at +2°C to +30°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDUN 3077 , 9, III
Declaration (transport by air) IATA-DGRUN 3077 , 9, III
Declaration (transport by sea) IMDG-CodeUN 3077 , 9, III, Marine Pollutant: P
Supplemental Information
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
1.04952.0250 04022536057965
1.04952.1000 04022536057972

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Reagents, Chemicals and Labware > Inorganic Reagents > Classical Inorganic Analysis > Salts EMSURE®, EMPLURA®
Analytics and Sample Preparation > Reagents for Pharmacopoeia Analysis > Salts for Pharmacopoeia Analysis
Analytics and Sample Preparation > Analytical Sample Preparation > Dissolution / Digestion