Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Substance profile

N,N-diethyl-m-toluamide

N,N-diethyl-m-toluamide is a nearly colorless to amberlike liquid with a faint, characteristic odor.

CAS 134-62-3 C12H17NO 191.27 g/mol Warning

01 · Identification

What N,N-diethyl-m-toluamide is

N,N-diethyl-m-toluamide is a nearly colorless to amberlike liquid with a faint, characteristic odor. Its molecular formula is C12H17NO and its molecular weight is 191.27 g/mol. It boils at 285 °C, melts at -45 °C, is very soluble in water.

Under the GHS it carries the signal word Warning.

CAS number134-62-3
EC number205-149-7
Index number616-018-00-2
Molecular formulaC12H17NO
Molecular weight191.27 g/mol

Other names for N,N-diethyl-m-toluamide

  • diethyltoluamide (ISO): N,N-diethyl-m-toluamide
  • [deet]

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordWarning
Hazard statements assigned to N,N-diethyl-m-toluamide
CodeHazard statement
H302 Harmful if swallowed.
H315 Causes skin irritation.
H319 Causes serious eye irritation.

Precautionary statements: P264, P270, P280, P301, P302, P305, P312, P313, P330, P332, P337, P338, P352

This page lists only the codes assigned to N,N-diethyl-m-toluamide. The full reference lives on the hazard statements hub, the precautionary statements hub and the GHS pictograms hub.

03 · Physical and chemical properties

N,N-diethyl-m-toluamide properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Boiling point 285 °C (545 °F) at 760 mmHg CAMEO
160 °C (320 °F) at 19 mmHg (reduced pressure) HSDB
Melting point -45 °C (-49 °F) CAMEO
Density 0.996 g/cm³ at 20 °C HSDB
Solubility Very soluble in benzene, ethyl ether, ethanol HSDB
Miscible with ethanol, ether, isopropanol, chloroform, benzene and carbon disulfide. Practically insoluble in glycerin HSDB
Miscible with 2-propanol, cottonseed oil, propylene glycol HSDB
Vapor pressure 0.002 mmHg at 25 °C HSDB
1 mmHg at 111.11 °C CAMEO
0.002 mmHg Haz-Map
Flash point 155 °C (311 °F) open cup HSDB
95 °C (203 °F) HSDB
155 °C (311 °F) CAMEO
Vapor density 6.7 (air = 1) CAMEO

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

04 · Handling and storage

Storing and handling N,N-diethyl-m-toluamide

Storage conditions

Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage.

Source: Hazardous Substances Data Bank (HSDB)

Incompatible materials

Incompatible materials: Strong oxidizing agents, strong acids, strong bases, strong reducing agents

Source: Hazardous Substances Data Bank (HSDB)

Reactivity

N,N-DIETHYL-M-TOLUAMIDE is incompatible with strong acids, strong bases and strong oxidizing agents. It hydrolyzes slowly in the presence of water. It has a solvent effect on most plastics, paints, and varnishes. It is also incompatible with rayon, acetate or dynel clothing. (NTP, 1992)

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check N,N-diethyl-m-toluamide in the storage compatibility matrix →

Safety Data Sheet

Getting an SDS for N,N-diethyl-m-toluamide

A Safety Data Sheet is written for a product, not for a substance: the supplier of the grade you actually buy issues it, so two suppliers of N,N-diethyl-m-toluamid… issue two different sheets. That is why there is no single authoritative SDS for a substance to download — what there is, is the job of collecting the sheets for the products you hold and keeping them current as suppliers revise them.

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