N-Methylformamide

  • Monomethylformamide
Formula
HCONHCH3
Structure
Description
Clear colorless liquid with a slight amine odor.
Uses
The substance is used as an intermediate in the synthesis of pesticides, extraction solvent for aromatic hydrocarbons.

Registry Numbers and Inventories.
CAS
123-39-7
EC (EINECS/ELINCS)
204-624-6
EC Index Number
616-056-00-X
EC Class
Toxic for reproduction Category 2; Harmful
R 61 21
RTECS
LQ3000000
RTECS class
Mutagen; Reproductive Effector; Primary Irritant
UN (DOT)
2810
Merck
12,6152
Beilstein/Gmelin
1098352
Beilstein Reference
4-04-00-00170
Swiss Giftliste 1
G-8703
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C2H5NO
Formula mass
59.07
Boiling point, °C
198
Vapor pressure, mmHg
0.45 (30 C)
Density
1.011 g/cm3 (20 C)
Solubility in water
Slightly soluble
Viscosity
1.76 cp (25 C)
Surface tension
37.96 g/s2 @ 30 C
Refractive index
1.431
Partition coefficient, pKow
-0.624
Heat of fusion
10.4 kJ/mol
Heat of vaporization
57.20 kJ/mol

Hazards and Protection.
Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Small spills/leaks
Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Remove all sources of ignition. Absorb spill using an absorbent, non-combustible material such as earth, sand, or vermiculite. Provide ventilation.
Stability
Stable at room temperature in closed containers under normal storage and handling conditions.
Incompatibilities
Strong oxidizing agents, acids, bases, acid chlorides.
Decomposition
Carbon monoxide, oxides of nitrogen, irritating and toxic fumes and gases, carbon dioxide.

Fire.
Flash Point,°C
103
Autoignition, °C
322
Upper exp. limit, %
18.6
Lower exp. limit, %
3.6
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Containers may explode when heated. Extinguishing media: Use agent most appropriate to extinguish fire. Cool containers with flooding quantities of water until well after fire is out. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Fire potential
This chemical is combustible.
Health
1
 
Flammability
1
 
 
Reactivity
0
 

Health.
Poison_Class
3
Exposure effects
May cause reproductive and fetal effects. Effects may be delayed. Reproductive effects have been reported in animals.
   Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
   Inhalation
Causes respiratory tract irritation. Can produce delayed pulmonary edema.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation. May cause chemical conjunctivitis.

First aid
 
   Ingestion
Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
UN number
2810
Response guide