Erdman’s Reaqent (for protein test)

  • CAS :
  • REF :
    25190
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QUANTITY PRICE ENQUIRY
125 ml Rs 350.0
500 ml Rs 1075.0

Product Information

Formula: Concentrated nitric acid layered over concentrated sulfuric acid CAS: Mixture EC No.: Mixture M (Molar Mass): Not applicable D (Density): ~1.4-1.8 g/cm³ (two layers) mp (Melting Point): Not applicable bp (Boiling Point): Not applicable Optical Rotation: Not applicable

Chemicals Properties

Composition: Concentrated sulfuric acid: Bottom layer Concentrated nitric acid: Top layer Ratio: Typically 1:1 by volume Appearance: Two distinct layers, colorless to pale yellow Protein Test (Xanthoproteic): With proteins produces yellow color turning orange with alkali Sensitivity: Detects protein at concentrations ≥ 1 mg/mL Reaction Time: Color develops within 1-2 minutes Preparation: Carefully layered to prevent mixing

Hazard Information

Hazard: EXTREMELY CORROSIVE. Causes severe skin burns and eye damage. Reacts violently with many organic materials Safety: Use only in fume hood with face shield, acid-resistant gloves, and apron. Add acids slowly to prevent splashing Storage: Store in a cool place in a tightly closed, acid-resistant container (preferably in fume hood). Label clearly as corrosive. Prepare fresh as needed