Description
4,4-Methylenebis(N,N-dimethyl)benzenamineis a yellow crystalline compound. Molecular weight =254.41; Boiling point = 390℃; Freezing/Melting point =90- 91℃. Hazard Identification (based on NFPA-704 MRating System): Health 2, Flammability 1, Reactivity 0.Insoluble in water.
Chemical Properties
yellow to tan crystals
Chemical Properties
4,40
-Methylenebis(N,N-dimethyl)benzenamine
is a yellow crystalline compound.
Uses
4,4'-Methylenebis(N,N-dimethylaniline)is used as a chemical intermediate in the manufacture of dyes and for its hydrochloric salt and is also used as an analytical reagent in the determination of lead.
Uses
Has been used in manufacture of dyes. As reagent for lead: Dtsch. Med. Wochenschr. 52, 1855 (1926).
Definition
ChEBI: 4,4'-Methylenebis(N,N-dimethylaniline) is a diarylmethane.
General Description
Yellowish glistening leaflets or plates or tan crystals. Weak odor. Sublimes without decomposition.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
4,4'-Methylenebis(N,N-dimethylaniline) is incompatible with acids, acid chlorides, acid anhydrides and oxidizing agents. 4,4'-Methylenebis(N,N-dimethylaniline) is also incompatible with active metals, potassium, oxides, chlorates, halogenated compounds, iron chloride, nitro compounds, peroxides, strong ammonia solutions, sulfides and vinyl polymers .
Fire Hazard
4,4'-Methylenebis(N,N-dimethylaniline) is combustible.
Safety Profile
Confirmed carcinogen
with experimental carcinogenic,
neoplastigenic, and tumorigenic data.
Moderately toxic by ingestion. Mutation data
reported. A flammable liquid. When heated
to decomposition it emits toxic fumes of
NOx.
Potential Exposure
4,40
-methylenebis(N,N-dimethyl) benzenamine is used as an intermediate in dye manufacture
and as an analytical reagent in the determination of lead.
First aid
If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give large quantities of water and inducevomiting. Do not make an unconscious person vomit.Note to physician: Treat for methemoglobinemia.Spectrophotometry may be required for precise determination of levels of methemoglobin in urine.
Carcinogenicity
4,4′-Methylenebis(N,N-dimethyl)benzenamine is reasonably anticipated to be a human carcinogen based on sufficient evidence of carcinogenicity from studies in experimental animals.
storage
Color Code—Blue: Health Hazard/Poison: Store ina secure poison location. Prior to working with this chemicalyou should be trained on its proper handling and storage.4,40-Methylenebis(N,N-dimethyl)benzenamine must be storedto avoid contact with oxidizers (such as perchlorates, peroxides, permanganates, chlorates, and nitrates) and strong acids(such as hydrochloric, sulfuric, and nitric), since violent reactions occur. Store in tightly closed containers in a cool, wellventilated area. A regulated, marked area should be established where this chemical is handled, used, or stored in compliance with OSHA Standard 1910.1045.
Shipping
UN3259 Amines, solid, corrosive, n.o.s, or
Polyamines, solid, corrosive, n.o.s., Hazard class: 8;
Labels: 8-Corrosive material, Technical Name Required.
UN3077 Environmentally hazardous substances, solid,
n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous
material, Technical Name Required.
Purification Methods
Crystallise the base from EtOH (2mL/g) or 95% EtOH (ca 12mL/g). It sublimes on heating. [Beilstein 13 IV 390.]
Incompatibilities
Strong acids, oxidizers, acid chlorides;
acid anhydrides.
