Product Identification

Product Name

4-Nitro-N-methylaniline

Synonyms

N-Monomethyl-p-nitroaniline

CAS

100-15-2

Formula

C7H8N2O2

Molecular Weight

152.15

EINECS

202-823-2

Beilstein/Gmelin

637920

Beilstein Reference

4-12-00-01616

Physical and Chemical Properties

Appearance

Brownish-yellow prisms with violet reflex (from ethanol) or yellow powder.

Solubility in water

Insoluble

Melting Point

148 - 149

Boiling Point

291

Vapor Pressure

0.002 (25 C)

Density

1.201 g/cm3 (20 C)

pKa/pKb

13.44 (pKb)

Partition Coefficient

2.04

Heat Of Vaporization

53.0 kJ/mol

Heat Of Combustion

-3870 kJ/mol

First Aid Measures

Ingestion

Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.

Inhalation

Remove from exposure to fresh air immediately.

Skin

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Handling and Storage

Storage

Keep containers tightly closed. Store in a cool, dry area away from incompatible substances.

Handling

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Hazards Identification

Ingestion

See Inhalation.

Inhalation

TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Effects of contact or inhalation may be delayed.

Skin

Contact with molten substance may cause severe burns to skin and eyes. See Inhalation.

Eyes

See Inhalation.

Hazards

When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.

UN (DOT)

1661

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate protective gloves, clothing and goggles.

Respirators

Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.

Exposure limit(s)

2 ppm TWA ACGIH

Fire Fighting Measures

Flash Point

130

Fire Fighting

Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher.

Fire Potential

This material is probably combustible.

Accidental Release Measures

Small spills/leaks

Sweep up, then place into a suitable container for disposal.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents - strong bases.

Decomposition

Nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

1661

Hazard Class

6.1

Packing Group

II