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3-Dimethylaminopropylamine

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3-Dimethylaminopropylamine Basic information

Product Name:
3-Dimethylaminopropylamine
Synonyms:
  • RARECHEM AL BW 0072
  • N,N-DIMETHYL PROPANE-1,3-DIAMINE
  • N,N-DIMETHYLTRIMETHYLENEDIAMINE
  • N,N-DIMETHYL-1,3-DIAMINOPROPANE
  • gamma-dimethylaminopropylamine
  • H2N(CH2)3N(CH3)2
  • N-(3-aminopropyl)dimethylamine
  • N,N-Dimethyl-1,3-propylenediamine
CAS:
109-55-7
MF:
C5H14N2
MW:
102.18
EINECS:
203-680-9
Product Categories:
  • Building Blocks
  • Chemical Synthesis
  • amine series
  • Nitrogen Compounds
  • Organic Building Blocks
  • Polyamines
Mol File:
109-55-7.mol
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3-Dimethylaminopropylamine Chemical Properties

Melting point:
-60 °C
Boiling point:
133 °C(lit.)
Density 
0.812 g/mL at 25 °C(lit.)
vapor density 
3.6 (vs air)
vapor pressure 
5 mm Hg ( 20 °C)
refractive index 
n20/D 1.435(lit.)
Flash point:
90 °F
storage temp. 
Store below +30°C.
form 
Liquid
pka
10.13±0.10(Predicted)
color 
Clear
PH
12.7 (100g/l, H2O, 20℃)
explosive limit
2.3-12.35%(V)
Water Solubility 
SOLUBLE
FreezingPoint 
-70℃
Sensitive 
Air Sensitive
BRN 
605293
InChIKey
IUNMPGNGSSIWFP-UHFFFAOYSA-N
LogP
-0.352 at 25℃
CAS DataBase Reference
109-55-7(CAS DataBase Reference)
NIST Chemistry Reference
1,3-Propanediamine, N,N-dimethyl-(109-55-7)
EPA Substance Registry System
3-(Dimethylamino)propylamine (109-55-7)
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Safety Information

Hazard Codes 
C
Risk Statements 
10-22-34-43-21/22
Safety Statements 
26-36/37/39-45
RIDADR 
UN 2733 3/PG 3
WGK Germany 
2
RTECS 
TX7525000
Autoignition Temperature
215 °C
TSCA 
Yes
HazardClass 
8
PackingGroup 
II
HS Code 
29212900
Hazardous Substances Data
109-55-7(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 1640 mg/kg

MSDS

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3-Dimethylaminopropylamine Usage And Synthesis

Description

Dimethylaminopropylamine is an aliphatic amine present in amphoteric surfactants such as liquid soaps and shampoos. It is present as an impurity responsible for allergy from cocamidopropylbetaine. It is structurally similar to diethylaminopropylamine. It is also used as a curing agent for epoxy res ins and as an organic intermediate in chemical syntheses (ion exchangers, additives for flocculants, cosmetics and fuel additives, dyes and pesticides).

Chemical Properties

clear liquid

Uses

N,N-Dimethyl-1,3-propylenediamine is a useful catalyst for Knoevenagel condensation. It is also a useful hardening agent for expoxy resin.

Uses

Useful for cleavage of N-alkylphthalimide derivatives to give primary amines, as an alternative to methyl hydrazine. DMAPA is also used directly as a hardener in epoxy resins in the plastics industry, as a cross linking agent for cellulose fibers in the paper industry and as an anti-shriking agent for leather. It is used as an intermediate in the production of binding agents, ion-exchange materials, flocculating agents (water treatment), cosmetic agents, washing and cleaning agents (betaines), additive for petrol and other fuels, polyurethane fibers and lubricants, dyes, agrochemicals, agents used in the photographic and textile industries.

Uses

3-(Dimethylamino)propylamine is an intermediate substance in the synthesis of alkylamidopropyldimethylamines/alkylamidobetaines; found as an impurity in cosmetic surfactants present in e.g. shampoos; hardener of epoxy resins; additive in fue!, dyes, pesticides and binding agents; in the production of ion-exchangers.

General Description

Colorless liquid.

Air & Water Reactions

Highly flammable. Temperature sensitive and possibly sensitive to air. Water soluble.

Reactivity Profile

3-Dimethylaminopropylamine neutralizes acids in 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 may be generated in combination with strong reducing agents, such as hydrides.

Fire Hazard

3-Dimethylaminopropylamine is flammable.

Flammability and Explosibility

Flammable

Contact allergens

Dimethylaminopropylamine is an aliphatic amine present in amphoteric surfactants such as liquid soaps and shampoos. It is present as a residual impurity thought to be responsible for allergy from cocamidopropylbetaine. It is structurally similar to diethylaminopropylamine. It is also used as a curing agent for epoxy resins and an organic intermediate in chemical synthesises (ion exchangers, additives for flocculants, cosmetics and fuel additives, dyes and pesticides). Patch test has to be carefully interpreted, since the 1% aqueous solution has pH > 11 (personal observation).

Safety Profile

Moderately toxic by ingestion and skin contact. A skin and eye irritant. Very flammable when exposed to heat, flame, or oxidmers. Reaction with 1,2dichloroethane produces explosive acetylene gas. This and other amines igmte on contact with cellulose nitrate of hgh surface area. To fight fire, use alcohol foam, CO2, dry chemical. When heated to decomposition it emits toxic fumes of NO,. See also AMINES

3-DimethylaminopropylamineSupplier

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