ICSC 1527 - 1,2,3,4-TETRAHYDRONAPHTHALENE

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1,2,3,4-TETRAHYDRONAPHTHALENE	ICSC: 1527 (October 2004)
Tetralin Tetrahydronaphthalene Naphthalene, 1,2,3,4-tetrahydro-

CAS #: 119-64-2

EC Number: 204-340-2

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Gives off irritating or toxic fumes (or gases) in a fire. Above 77°C explosive vapour/air mixtures may be formed.	NO contact with oxidizing agents. NO open flames. Above 77°C use a closed system and ventilation. Prevent build-up of electrostatic charges (e.g., by grounding).	Use water spray, powder, foam, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water.


	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough. Dizziness. Headache. Nausea. Vomiting. Weakness.	Use ventilation, local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin	Redness. Pain.	Protective gloves.	Rinse skin with plenty of water or shower. Remove contaminated clothes.
Eyes	Pain. Redness. Blurred vision.	Wear safety spectacles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Abdominal pain. See Inhalation.	Do not eat, drink, or smoke during work.	Do NOT induce vomiting. Give one or two glasses of water to drink. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: chemical protection suit. Do NOT let this chemical enter the environment. Ventilation. Collect leaking and spilled liquid in covered containers as far as possible. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.	According to UN GHS Criteria Transportation UN Classification
STORAGE
Separated from strong oxidants. Keep in a well-ventilated room. Well closed.
PACKAGING

1,2,3,4-TETRAHYDRONAPHTHALENE

ICSC: 1527

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR. Physical dangers As a result of flow, agitation, etc., electrostatic charges can be generated. Chemical dangers The substance can form explosive peroxides. Decomposes on heating. This produces irritating fumes. Reacts vigorously with oxidants.	Formula: C₁₀H₁₂ Molecular mass: 132.20 Boiling point: 207.6°C Melting point: -35.8°C Relative density (water = 1): 0.9702 Solubility in water: very poor Vapour pressure, kPa at 25°C: 0.05 Relative vapour density (air = 1): 4.6 Flash point: 77°C o.c. Auto-ignition temperature: 385°C Explosive limits, vol% in air: 0.8 (at 100°C) - 5.0 (at 150°C) Octanol/water partition coefficient as log Pow: 3.78

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.

Physical dangers
As a result of flow, agitation, etc., electrostatic charges can be generated.

Chemical dangers
The substance can form explosive peroxides. Decomposes on heating. This produces irritating fumes. Reacts vigorously with oxidants.

Formula: C₁₀H₁₂
Molecular mass: 132.20
Boiling point: 207.6°C
Melting point: -35.8°C
Relative density (water = 1): 0.9702
Solubility in water: very poor
Vapour pressure, kPa at 25°C: 0.05
Relative vapour density (air = 1): 4.6
Flash point: 77°C o.c.
Auto-ignition temperature: 385°C
Explosive limits, vol% in air: 0.8 (at 100°C) - 5.0 (at 150°C)
Octanol/water partition coefficient as log Pow: 3.78

EXPOSURE & HEALTH EFFECTS
Routes of exposure Effects of short-term exposure The substance is irritating to the eyes, skin and respiratory tract. The substance may cause effects on the central nervous system. If this liquid is swallowed, aspiration into the lungs may result in chemical pneumonitis.	Inhalation risk A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C; on spraying or dispersing, however, much faster. Effects of long-term or repeated exposure Repeated or prolonged contact with skin may cause dermatitis. The substance may have effects on the kidneys.

EXPOSURE & HEALTH EFFECTS

Routes of exposure

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract. The substance may cause effects on the central nervous system. If this liquid is swallowed, aspiration into the lungs may result in chemical pneumonitis.

Inhalation risk
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C; on spraying or dispersing, however, much faster.

Effects of long-term or repeated exposure
Repeated or prolonged contact with skin may cause dermatitis. The substance may have effects on the kidneys.

OCCUPATIONAL EXPOSURE LIMITS
MAK: 11 mg/m³, 2 ppm; peak limitation category: I(1); pregnancy risk group: C

ENVIRONMENT
The substance is toxic to aquatic organisms. Bioaccumulation of this chemical may occur in fish. It is strongly advised not to let the chemical enter into the environment.

NOTES
Check for peroxides prior to distillation; eliminate if found.

ADDITIONAL INFORMATION

EC Classification
Symbol: Xi, N; R: 19-36/38-51/53; S: (2)-26-28-61

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