1-Chloro-2,4-Dinitrobenzene (DNCB)

1-Chloro-2,4-Dinitrobenzene AR

GRADE
AR Grade (Analytical Reagent)

CHEMICAL NAME
1-Chloro-2,4-Dinitrobenzene

SYNONYMS
2,4-Dinitrochlorobenzene
DNCB

CHEMICAL FORMULA
C₆H₃Cl(NO₂)₂

MOLECULAR WEIGHT
202.55 g/mol

CAS NUMBER
97-00-7

APPEARANCE
Yellow to pale yellow crystalline solid or powder.

PRODUCT DESCRIPTION
1-Chloro-2,4-Dinitrobenzene (DNCB) is an aromatic nitro compound widely used in analytical chemistry, organic synthesis, immunological studies, dermatological sensitization research, and pharmaceutical analytical procedures. It is commonly employed as a derivatization and detection reagent in biochemical and pharmaceutical analysis.

KEY FEATURES
• Analytical reagent grade purity
• High reactivity aromatic intermediate
• Useful in pharmaceutical and biochemical assays
• Suitable for laboratory analytical applications
• Stable under recommended storage conditions

APPLICATIONS
• Detection of nicotinic acid and nicotinamide
• Organic synthesis intermediate
• Analytical chemistry reagent
• Pharmaceutical analysis
• Immunology and skin sensitization studies
• Protein and amino compound derivatization
• Research and teaching laboratories

PHYSICAL & CHEMICAL PROPERTIES
• Physical State: Solid
• Appearance: Yellow crystalline powder
• Odor: Slight aromatic odor
• Molecular Formula: C₆H₃Cl(NO₂)₂
• Molecular Weight: 202.55 g/mol
• Solubility: Slightly soluble in water; soluble in organic solvents
• Melting Point: ~50–54°C

HAZARD INFORMATION
GHS CLASSIFICATION
• Harmful if swallowed or inhaled
• Causes skin and eye irritation
• Skin sensitizer
• Toxic to aquatic life

HAZARD SYMBOLS
☠️ Toxic
❗ Irritant
🌱 Environmental Hazard

SAFETY PRECAUTIONS
• Avoid inhalation and skin contact
• Use gloves, goggles, and lab coat
• Handle inside a fume hood
• Avoid environmental release
• Wash thoroughly after handling

STORAGE CONDITIONS
• Store in a cool, dry, well-ventilated place
• Keep container tightly closed
• Protect from moisture and direct sunlight
• Keep away from reducing agents and strong bases

PACKAGING
25 g Amber Laboratory Reagent Bottle

LABORATORY RELEVANCE
1-Chloro-2,4-Dinitrobenzene is widely used in analytical and pharmaceutical laboratories because of its strong electrophilic aromatic substitution properties and usefulness in biochemical detection reactions. It is especially important in derivatization chemistry and detection-based analytical procedures.

WLS QUALITY INSIGHT
At WLS, we prioritize authentic analytical-grade specialty reagents from globally recognized manufacturers to ensure laboratory accuracy, research reliability, and reproducibility of analytical results.

KEYWORDS
1-Chloro-2,4-Dinitrobenzene, DNCB, DNCB, Aromatic Nitro Compound, Analytical Reagent, Organic Intermediate, CDH Chemical, Laboratory Reagent, Pharmaceutical Analysis Reagent, Derivatization Reagent, Fine Chemical.