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Home > Encyclopedia > N,N-Dimethylbenzylamine

N,N-Dimethylbenzylamine

N,N-Dimethylbenzylamine structure

N,N-Dimethylbenzylamine 

structure
  • CAS No:

    103-83-3

  • Formula:

    C9H13N

  • Chemical Name:

    N,N-Dimethylbenzylamine

  • Synonyms:

    Benzenemethanamine,N,N-dimethyl-;Benzylamine,N,N-dimethyl-;N,N-Dimethylbenzenemethanamine;Benzyldimethylamine;Dimethylbenzylamine;N-Benzyldimethylamine;N,N-Dimethyl-N-benzylamine;BDMA;N-(Phenylmethyl)dimethylamine;Benzyl-N,N-dimethylamine;Araldite Accelerator 062;N-Benzyl-N,N-dimethylamine;Desmorapid DB;N,N-Dimethylbenzylamine;Sumicure BD;Kaolizer 20;Actiron NX 91;Dabco BDMA;[(Dimethylamino)methyl]benzene;NSC 5342;Araldite DY 062;DY 062;Ancamine BDMA;Y 27;4-[(Dimethylamino)methyl]styrene;DY 62;NP 60;KH 30;N,N-Dimethyl-1-phenylmethanamine;LCM 1;LCM 1 (catalyst);Jeffcat BDMA;Addocat DB;59125-51-8;1236382-77-6;1338002-71-3

  • Categories:

    Pharmaceutical Intermediates  >  Bulk Drug Intermediates

Description

colourless to light yellow liquid with an amine odourA colorless to light yellow liquid with an aromatic odor. Slightly less dense than water and slightly soluble in water. Flash point approximately 140°F. Corrosive to skin, eyes and mucous membranes. Slightly toxic by ingestion, skin absorption and inhalation. Used in the manufacture of adhesives and other chemicals.


Benzyldimethylamine appears as a colorless to light yellow liquid with an aromatic odor. Slightly less dense than water and slightly soluble in water. Corrosive to skin, eyes and mucous membranes. Slightly toxic by ingestion, skin absorption and inhalation. Used in the manufacture of adhesives and other chemicals.|Liquid|COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.


Benzyldimethylamine appears as a colorless to light yellow liquid with an aromatic odor. Slightly less dense than water and slightly soluble in water. Corrosive to skin, eyes and mucous membranes. Slightly toxic by ingestion, skin absorption and inhalation. Used in the manufacture of adhesives and other chemicals.

N,N-Dimethylbenzylamine Basic Attributes

135.21

135.21

1099620

203-149-1

TYP7AXQ1YJ

1340

5342

2619

DTXSID8021854

29214980

Characteristics

3.2

1.91

Clear colorless to light yellow Liquid

0.9 g/cm3

-75 °C

180 °C

130 °F

n 20/D 1.501(lit.)

H2O: 8 g/L (20 ºC)

Flammables area

2.4 hPa (20 °C)

Oral-rat LD50: 265 mg/kg

Combustible

0.9-6.3%(V)

Flammable. Slightly soluble in water.

Amines, Phosphines, and Pyridines

BENZYLDIMETHYLAMINE neutralizes acids on exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated by amines in combination with strong reducing agents, such as hydrides. May attack some plastics (USCG, 1999).

Safety Information

II

8

UN 2619 8/PG 2

2

10-20/21/22-34-52/53

26-36-45-61

DP4500000

C

Treasury is ventilated, low temperature and dry; stored separately from acid

Stable. Incompatible with strong acids, strong oxidizing agents.

P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P273, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P363, P370+P378, P403+P235, P405, P501

H226-H302 + H312 + H332-H314-H412

Special Hazards of Combustion Products: Toxic vapors are generated when heated. (USCG, 1999)|Flammable. Gives off irritating or toxic fumes (or gases) in a fire. Above 57 °C explosive vapour/air mixtures may be formed.|Corrosives, Flammable - 2nd degree

|Danger|H226: Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P273, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P363, P370+P378, P403+P235, P405, and P501|H226 (99.88%): Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P273, P280, P301+P310, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P311, P312, P321, P322, P330, P361, P363, P370+P378, P403+P233, P403+P235, P405, and P501|Aggregated GHS information provided by 825 companies from 22 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|P210, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P370+P378, P403+P235, P405, and P501

Excerpt from ERG Guide 132 [Flammable Liquids - Corrosive]: Some of these materials may react violently with water. SMALL FIRE: Dry chemical, CO2, water spray or alcohol-resistant foam. LARGE FIRE: Water spray, fog or alcohol-resistant foam. Move containers from fire area if you can do it without risk. Dike fire-control water for later disposal; do not scatter the material. Do not get water inside containers. FIRE INVOLVING TANKS OR CAR/TRAILER LOADS: Fight fire from maximum distance or use unmanned hose holders or monitor nozzles. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn. (ERG, 2016)|Use water spray, powder, alcohol-resistant foam, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water.

Excerpt from ERG Guide 132 [Flammable Liquids - Corrosive]: As an immediate precautionary measure, isolate spill or leak area for at least 50 meters (150 feet) in all directions. SPILL: Increase, in the downwind direction, as necessary, the isolation distance shown above. FIRE: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2016)

Excerpt from ERG Guide 132 [Flammable Liquids - Corrosive]: Fully encapsulating, vapor-protective clothing should be worn for spills and leaks with no fire. ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). All equipment used when handling the product must be grounded. Do not touch or walk through spilled material. Stop leak if you can do it without risk. Prevent entry into waterways, sewers, basements or confined areas. A vapor-suppressing foam may be used to reduce vapors. Absorb with earth, sand or other non-combustible material and transfer to containers (except for Hydrazine). Use clean, non-sparking tools to collect absorbed material. LARGE SPILL: Dike far ahead of liquid spill for later disposal. Water spray may reduce vapor, but may not prevent ignition in closed spaces. (ERG, 2016)

Approved respirator; rubber gloves, splash proof goggles (USCG, 1999)

Personal protection: complete protective clothing including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Collect leaking and spilled liquid in sealable containers as far as possible. Cautiously neutralize remainder. Then wash away with plenty of water.

Fireproof. Separated from strong oxidants, strong acids and food and feedstuffs.

No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20 °C.

The substance is corrosive to the eyes, skin and respiratory tract. Inhalation of the vapour may cause lung oedema. The effects may be delayed. Medical observation is indicated.

NO open flames, NO sparks and NO smoking. Above 57 °C use a closed system, ventilation and explosion-proof electrical equipment.

AVOID ALL CONTACT! IN ALL CASES CONSULT A DOCTOR!

Use ventilation, local exhaust or breathing protection.

Protective gloves. Protective clothing.

Wear face shield.

Toxicity

moderately toxic

14.13

Drug Information

Inhalation may be fatal as a result of spasm, inflammation and edema of the larynx and bronchi, chemical pneumonitis, and pulmonary edema. Symptoms of exposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomitting. (USCG, 1999)

INHALATION: Remove victim to fresh air and call a physician at once; administer oxygen until physician arrives. INGESTION: Get medical attention at once. EYES or SKIN: Flush with plenty of water for at least 15 min; if cyanosis is present, shower with soap and warm water, with special attention to scalp and finger nails; remove any contaminated clothing. (USCG, 1999)


Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention.


Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention .


First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

BDMA

The substance can be absorbed into the body by inhalation of its vapour, through the skin and by ingestion.

Sore throat. Cough. Burning sensation. Shortness of breath. Laboured breathing. Symptoms may be delayed.


Pain. Redness. Blisters. Skin burns.


Pain. Redness. Severe deep burns.

N,N-Dimethylbenzylamine Use and Manufacturing

Methods of Manufacturing

From the reaction of benzyl chloride and dimethylamine. Benzyl dimethylamine can also be prepared from benzylamine, formic acid, and formaldehyde.

Uses

Intermediate, especially for quaternary ammonium compounds; dehydrohalogenating catalyst; corrosion inhibitor; acid neutralizer; potting compounds; adhesives; cellulose modifier.


Process regulators


Building/construction materials not covered elsewhere

Production

100,000 - 500,000 lb

Paint and coating manufacturing|Benzenemethanamine, N,N-dimethyl-: ACTIVE

Fire Hazards -> Corrosives, Flammable - 2nd degree

Computed Properties

Molecular Weight:135.21
XLogP3:2
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:2
Exact Mass:135.104799419
Monoisotopic Mass:135.104799419
Topological Polar Surface Area:3.2
Heavy Atom Count:10
Complexity:82.7
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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