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Product Name: 4-Dimethylaminobenzaldehyde
Synonyms: p-(N,N-Dimethylamino)benzaldehyde, Ehrlich’s Reagent
CAS Number: 100-10-7
Recommended Use: Laboratory chemical, Dye intermediate, Analytical reagent
Manufacturer/Supplier: Chemical supply companies (contact information varies per distributor)
Emergency Contact Number: Provided by local distributor or regional poison center
Product Code: As assigned by supplier
Classification: Acute Toxicity: Oral (Category 4), Skin and Eye Irritant (Category 2), Sensitizer
GHS Label Elements: Exclamation mark, Health Hazard
Signal Word: Warning
Hazard Statements: Harmful if swallowed; Causes skin irritation; Causes serious eye irritation
Precautionary Statements: Avoid contact with skin and eyes; Do not eat, drink, or smoke during use; Wash hands thoroughly after handling; Wear gloves and safety goggles
Other Hazards: May cause allergic skin reaction in sensitive individuals
Chemical Name: 4-Dimethylaminobenzaldehyde
CAS Number: 100-10-7
EC Number: 202-819-0
Percentage by Weight: ≥99% (purified grade)
Impurities: Typically <1%; may include trace water or related organic compounds
Molecular Formula: C9H11NO
Molecular Weight: 149.19 g/mol
Inhalation: Move to fresh air; provide artificial respiration if breathing stops; seek medical attention
Skin Contact: Remove contaminated clothing; rinse with plenty of water for at least 15 minutes; get medical attention for persistent irritation
Eye Contact: Rinse immediately with running water for several minutes; keep eyelids open; consult a physician
Ingestion: Rinse mouth thoroughly; do not induce vomiting; seek immediate medical attention
Most Important Symptoms: Irritation, redness, headache, respiratory distress if exposed to large amounts
Suitable Extinguishing Media: Dry chemical, carbon dioxide, alcohol-resistant foam, water spray
Unsuitable Methods: Strong water jets which spread contamination
Specific Hazards: Can produce toxic fumes of carbon oxides and nitrogen oxides when burning
Protective Equipment for Firefighters: Full protective gear and self-contained breathing apparatus
Fire-Fighting Procedures: Cool closed containers with water spray; avoid inhalation of vapors; remove material from fire area if safe to do so
Personal Precautions: Use gloves, goggles, and protective clothing; keep away from unprotected persons
Environmental Precautions: Prevent entry into drains, sewers, or waterways
Clean-up Methods: Sweep up or vacuum spill, avoiding dust generation; collect spill in suitable container for disposal; ventilate area
Disposal: Dispose of according to local and national regulations as hazardous chemical waste
Handling Precautions: Avoid breathing dust; minimize skin and eye contact; work in well-ventilated area
Storage Conditions: Store in tightly sealed container, away from direct sunlight, heat, and moisture
Incompatible Materials: Strong oxidizers, strong acids, reducing agents
Other Precautions: Keep out of reach of children; store separate from food and drinks
Workplace Exposure Limits: No established OSHA PEL or ACGIH TLV; handle with care at all times
Engineering Controls: Use fume hood or local exhaust ventilation; keep work area clean
Personal Protective Equipment: Chemical-resistant gloves, safety goggles, lab coat; respiratory protection if ventilation inadequate
Hygiene Measures: Wash hands and face after handling; avoid eating, drinking, or smoking on-site
Appearance: Pale yellow to white crystalline solid
Odor: Aromatic, similar to benzaldehyde
Melting Point: 71-74°C
Boiling Point: 260°C (decomposes)
Solubility: Slightly soluble in water; soluble in ethanol, chloroform, ether
Vapor Pressure: Negligible at room temperature
Density: 1.10 g/cm³
pH: Not applicable in solid state
Auto-ignition Temperature: Data not readily available
Flash Point: Approx. 140°C (closed cup)
Chemical Stability: Stable at room temperature under recommended handling and storage conditions
Thermal Decomposition: May emit toxic fumes of nitrogen oxides and carbon oxides upon decomposition
Reactivity: Unreactive with most common materials under ambient conditions
Incompatible Materials: Strong acids, oxidizing agents, reducing agents
Polymerization: Will not occur under normal use
Conditions to Avoid: Excessive heat, open flames, direct sunlight, strong acids or oxidizers
Routes of Exposure: Inhalation, skin contact, ingestion, eye contact
Acute Toxicity: LD50 (oral, rat) ≈ 870 mg/kg; considered harmful if swallowed
Skin Irritation: May cause redness and irritation on contact
Eye Irritation: Causes moderate to severe irritation, watering, redness
Sensitization: May trigger allergic skin response in some people
Chronic Effects: Repeated or prolonged contact may aggravate dermatitis or respiratory issues
Carcinogenicity: Not classified as a carcinogen based on current data
Additional Data: Not expected to cause genetic defects or reproductive toxicity at typical laboratory exposures
Ecotoxicity: May be harmful to aquatic life; avoid discharge into water bodies
Persistence and Degradability: Limited data on biodegradation; may persist in the environment
Bioaccumulative Potential: Log Kow 1.73 (moderate potential for bioaccumulation)
Mobility in Soil: Expected low mobility due to low water solubility
Other Adverse Effects: Do not allow product to reach groundwater, drains, or water course; impacts on soil microflora possible based on structure-related chemicals
Disposal Methods: Dispose through licensed hazardous waste contractor; incinerate in specialized facility if available
Packaging Disposal: Empty containers and packaging should be disposed of as hazardous waste
Special Precautions: Do not mix with other waste streams; always follow national and local regulations
Environmental Precautions: Avoid uncontrolled release into environment
UN Number: Not classified as dangerous under most transport regulations
UN Proper Shipping Name: Not regulated
Transport Hazard Class: None assigned
Packing Group: Not designated
Marine Pollutant: No data to classify as marine pollutant
Special Precautions for Transport: Keep container tightly closed and upright; avoid extreme temperatures and rough handling
EU Regulations: Listed in EINECS; subject to REACH regulations
US Regulations: TSCA Inventory listed; SARA Title III: not listed as hazardous
Canada: DSL/NDSL: Listed; WHMIS classification: D2B (toxic materials causing other toxic effects)
Other Global Inventories: Australia (AICS): Listed; China (IECSC): Listed; Japan (ENCS): Listed
Labeling: Follow national workplace labeling requirements
Restrictions: Use limited to research, industry, or laboratory settings; not for use in consumer products
