216615

Potassium chromate

ACS reagent, ≥99.0%

• Linear Formula: K₂CrO₄
• CAS Number: 7789-00-6
• Molecular Weight: 194.19
• EC Number: 232-140-5
• MDL number: MFCD00011368
• UNSPSC 코드: 12352300
• PubChem Substance ID: 329752190
• NACRES: NB.24

속성

• Grade: ACS reagent
• vapor density: 6.7 (vs air)
• 분석: ≥99.0%
• 형태: crystals
• 불순물: ≤0.005% insolubles
• pH: 8.6-9.8 (25 °C, 5%)
• mp: 971 °C (lit.)
• 음이온 미량물: chloride (Cl^-): ≤0.005%; sulfate (SO₄^2-): ≤0.03%
• 양이온 미량물: 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

설명

일반 설명

Potassium chromate (K₂CrO₄) is an inorganic solid compound. It is mainly used as an oxidizing agent in the synthesis of organic compound.

애플리케이션

Potassium chromate is used as an oxidizing agent:

• In the conversion of primary and secondary alcohol into aldehydes and ketones using tetrabutylammonium hydrogen sulfate catalyst.

Potassium chromate is also used:

• To prepare magnetoactive compound by reacting with iron(II) sulfate.
• As a reagent in the conversion primary allylic and benzylic halides to aldehydes.

안전성 정보

• 픽토그램: GHS08,GHS07,GHS09
• 신호어: Danger
• 유해 및 위험 성명서: H315,H317,H319,H335,H340,H350i,H410
• 예방조치 성명서: 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
• 표적 기관: 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