ICSC 1121 - TETRAMETHYL SUCCINONITRILE

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TETRAMETHYL SUCCINONITRILE	ICSC: 1121 (October 1999)
Tetramethylsuccinic acid dinitrile Tetramethylbutanedinitrile TMSN

CAS #: 3333-52-6

UN #: 2811

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames. NO contact with strong oxidizing agents.	Use water spray, powder, foam, carbon dioxide.

PREVENT DISPERSION OF DUST! STRICT HYGIENE!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Convulsions. Dizziness. Headache. Nausea. Unconsciousness. Vomiting.	Use ventilation (not if powder), local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin	MAY BE ABSORBED! See Inhalation.	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention .
Eyes		Wear 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 refer for medical attention.
Ingestion	See Inhalation.	Do not eat, drink, or smoke during work. Wash hands before eating.	Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. Personal protection: complete protective clothing including self-contained breathing apparatus.	According to UN GHS Criteria Transportation UN Classification UN Hazard Class: 6.1; UN Pack Group: II
STORAGE
Separated from strong oxidants and food and feedstuffs. Cool. Dry. Keep in a well-ventilated room.
PACKAGING
Do not transport with food and feedstuffs.

TETRAMETHYL SUCCINONITRILE

ICSC: 1121

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS ODOURLESS SOLID IN VARIOUS FORMS. Physical dangers Chemical dangers Decomposes on heating. This produces toxic fumes including cyanides and nitrogen oxides. Reacts with strong oxidants. This generates fire and explosion hazard.	Formula: C₈H₁₂N₂ / (CH₃)₂C(CN)C(CN)(CH₃)₂ Molecular mass: 136.2 Melting point: 170°C (sublimes) Density: 1.07 g/cm³ Solubility in water: none

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS ODOURLESS SOLID IN VARIOUS FORMS.

Physical dangers

Chemical dangers
Decomposes on heating. This produces toxic fumes including cyanides and nitrogen oxides. Reacts with strong oxidants. This generates fire and explosion hazard.

Formula: C₈H₁₂N₂ / (CH₃)₂C(CN)C(CN)(CH₃)₂
Molecular mass: 136.2
Melting point: 170°C (sublimes)
Density: 1.07 g/cm³
Solubility in water: none

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation of its aerosol, through the skin and by ingestion. Effects of short-term exposure The substance may cause effects on the central nervous system. Exposure at high concentrations could cause death.	Inhalation risk 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. Effects of long-term or repeated exposure

EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The substance may cause effects on the central nervous system. Exposure at high concentrations could cause death.

Inhalation risk
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.

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS
TLV: (inhalable fraction and vapour): 0.5 mg/m³, as TWA; (skin). MAK: (vapour and aerosol): skin absorption (H)

ENVIRONMENT

NOTES
The substance is combustible but no flash point is available in literature. Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken.

ADDITIONAL INFORMATION

EC Classification

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