ICSC 1725 - CITRAL

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CITRAL	ICSC: 1725 (November 2008)
2,6-Octadienal,3,7-dimethyl- Lemonal 3,7-Dimethyl-2,6 octadienal

CAS #: 5392-40-5

EC Number: 226-394-6

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Above 82°C explosive vapour/air mixtures may be formed.	NO open flames. Above 82°C use a closed system and ventilation.	Use foam, dry powder, carbon dioxide.

PREVENT GENERATION OF MISTS!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough.	Use ventilation, local exhaust or breathing protection.	Fresh air, rest.
Skin	Redness.	Protective gloves. Protective clothing.	Rinse and then wash skin with water and soap.
Eyes		Wear safety spectacles.	Rinse with plenty of water (remove contact lenses if easily possible).
Ingestion		Do not eat, drink, or smoke during work.	Rinse mouth.

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Remove all ignition sources. Personal protection: chemical protection suit and filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Collect leaking liquid in covered containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.	According to UN GHS Criteria WARNING Combustible liquid May be harmful if swallowed or in contact with skin Causes skin irritation May cause allergic skin reaction Toxic to aquatic life Transportation UN Classification
STORAGE
Cool. Ventilation along the floor. Provision to contain effluent from fire extinguishing. Store in an area without drain or sewer access.
PACKAGING

CITRAL

ICSC: 1725

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance PALE YELLOW LIQUID WITH CHARACTERISTIC ODOUR. Physical dangers Chemical dangers Decomposes on burning. This produces irritating fumes. The substance may polymerize due to heating.	Formula: C₁₀H₁₆O Molecular mass: 152.2 Boiling point: 226-228°C Melting point: <-10°C Density: 0.9 g/cm³ Solubility in water, g/100ml at 25°C: 0.059 (very poor) Vapour pressure, Pa at 100°C: <130 Relative vapour density (air = 1): 5.3 Flash point: 82°C c.c. Auto-ignition temperature: 225°C Explosive limits, vol% in air: 4.3 - 9.9 Octanol/water partition coefficient as log Pow: 2.76

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
PALE YELLOW LIQUID WITH CHARACTERISTIC ODOUR.

Physical dangers

Chemical dangers
Decomposes on burning. This produces irritating fumes. The substance may polymerize due to heating.

Formula: C₁₀H₁₆O
Molecular mass: 152.2
Boiling point: 226-228°C
Melting point: <-10°C
Density: 0.9 g/cm³
Solubility in water, g/100ml at 25°C: 0.059 (very poor)
Vapour pressure, Pa at 100°C: <130
Relative vapour density (air = 1): 5.3
Flash point: 82°C c.c.
Auto-ignition temperature: 225°C
Explosive limits, vol% in air: 4.3 - 9.9
Octanol/water partition coefficient as log Pow: 2.76

EXPOSURE & HEALTH EFFECTS
Routes of exposure Effects of short-term exposure The substance is irritating to the skin.	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 Repeated or prolonged contact may cause skin sensitization.

EXPOSURE & HEALTH EFFECTS

Routes of exposure

Effects of short-term exposure
The substance is irritating to the skin.

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
Repeated or prolonged contact may cause skin sensitization.

OCCUPATIONAL EXPOSURE LIMITS
TLV: 5 ppm as TWA; (skin); (SEN); A4 (not classifiable as a human carcinogen)

ENVIRONMENT
The substance is toxic to aquatic organisms. It is strongly advised not to let the chemical enter into the environment.

NOTES
Citral is a mixture of two geometric isomers, geranial (trans confirmation, approx. 55-70%) and neral (cis confirmation, 35-45%).

ADDITIONAL INFORMATION

EC Classification
Symbol: Xi; R: 38-43; S: (2)-24/25-37

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