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NIOSH

MALONONITRILE

ICSC: 1466

Propanedinitrile
Malonic acid dinitrile
Cyanoacetonitrile
Methylene dinitrile
C3H2N2 / NCCH2CN
Molecular mass: 66.1
ICSC # 1466 		CAS # 109-77-3
RTECS # OO3150000
UN # 2647
EC # 608-009-00-7
July 05, 2003 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Combustible.
NO open flames.
Water spray, dry powder, foam, carbon dioxide .
EXPLOSION Risk of fire and explosion: See Chemical Dangers.


EXPOSURE
STRICT HYGIENE!
IN ALL CASES CONSULT A DOCTOR!
•INHALATION Dizziness. Laboured breathing. Nausea. Vomiting. Weakness. Confusion. Convulsions. Unconsciousness.
Local exhaust or breathing protection.
Fresh air, rest. Artificial respiration may be needed. Refer for medical attention. Half-upright position.
•SKIN MAY BE ABSORBED! Redness. Pain.
Protective clothing. Protective gloves.
Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention.
•EYES Redness. Pain.
Safety goggles, or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
•INGESTION Abdominal pain. (Further see Inhalation).
Do not eat, drink, or smoke during work. Wash hands before eating.
Rinse mouth. Give a slurry of activated charcoal in water to drink. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Give plenty of water to drink. Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Remove all ignition sources. Vacuum spilled material or sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Do NOT let this chemical enter the environment. (Extra personal protection: chemical protection suit including self-contained breathing apparatus.)
Cool. Separated from strong bases, food and feedstuffs . Well closed. Keep in a well-ventilated room.
Do not transport with food and feedstuffs.
T symbol
N symbol
R: 23/24/25-50/53
S: 1/2-23-27-45-60-61
UN Hazard Class: 6.1
UN Packing Group: II
ICSC: 1466 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

MALONONITRILE

ICSC: 1466

I

M

P

O

R

T

A

N

T


D

A

T

A

PHYSICAL STATE; APPEARANCE:
COLOURLESS CRYSTALS OR WHITE POWDER

PHYSICAL DANGERS:


CHEMICAL DANGERS:
The substance will polymerize under the influence of temperatures above 130°C or under the influence of base(s) with fire or explosion hazard. The substance decomposes on heating producing toxic and corrosive gases , including hydrogen cyanide and nitrogen oxides . Attacks many metals forming flammable/explosive gas (hydrogen - see ICSC 0001).

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
OSHA PEL: none
NIOSH REL: TWA 3 ppm (8 mg/m3)
NIOSH IDLH: N.D. See: IDLH INDEX


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation, through the skin and by ingestion .

INHALATION RISK:
A harmful contamination of the air will be reached rather slowly on evaporation of this substance at 20°C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is severely irritating to the eyes , the skin and the respiratory tract . The substance may cause effects on the cellular respiration (inhibition) , resulting in convulsions , cardiac disorders and respiratory failure . Exposure at high levels may result in death. Medical observation is indicated. The effects may be delayed.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Boiling point: 218-220°C
Melting point: 30-34°C
Density: 1.19
g/cm3
Solubility in water, g/100 ml at 20°C: 13.3
moderate
Vapour pressure, Pa at 25°C: 27
Relative vapour density (air = 1): 2.3
Flash point:
112°C o.c.
Octanol/water partition coefficient as log Pow: -0.6

ENVIRONMENTAL
DATA

The substance is toxic to aquatic organisms.

N O T E S

Depending on the degree of exposure, periodic medical examination is suggested. Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Transport Emergency Card: TEC (R)-61GT2-II

ADDITIONAL INFORMATION



ICSC: 1466 MALONONITRILE
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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