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Ammonium Cerium Nitrate

CAS Number
16774-21-3
EC Number
Unspecified
Chemical Formula
(NH4)2Ce(NO3)6
Molecular Weight
548.22 g/mol

Description

Ammonium Cerium Nitrate (CAS 16774-21-3), also known as ceric ammonium nitrate (CAN), is a powerful oxidizing agent widely used in the electronics and semiconductor industry. It serves as the primary component in chrome etchant formulations for flat panel display (FPD) and LED manufacturing, enabling precise patterning of chromium layers. In analytical chemistry, it functions as a standard oxidant in cerimetry. The compound is also employed in organic synthesis as a single-electron oxidant for radical reactions and oxidative additions. In the electronics sector, high-purity grades are critical for consistent etching performance in photomask and display production. Supplied as an orange-red crystalline solid or as a 50% aqueous solution for direct use in etchant preparation.

Other Names (Synonyms)

Ceric Ammonium Nitrate, CAN, Diammonium hexanitratocerate(IV)

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
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Physical Properties

Appearanceorange-red crystals
Molecular Weight548.22 g/mol
Density1.11 g/cm³ (50% solution)
Melting Point107-108 °C
Water SolubilitySoluble
pHstrongly acidic in solution

Safety & Handling

Warning
GHS03· OxidizerGHS07· Irritant

Hazard Statements

H272May intensify fire; oxidizer
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation

Precautionary Statements

P220Keep away from combustible materials
P264Wash hands thoroughly after handling
P280Wear protective gloves/protective clothing/eye protection

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