ICSC 1335 - sec-HEXYL ACETATE

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sec-HEXYL ACETATE

ICSC: 1335
_{November 1998}

1,3-Dimethylbutyl acetate
Methylisoamyl acetate
Acetic acid, 1,3-dimethylbutyl ester
4-Methyl-2-pentanol, acetate

CAS No: 108-84-9
RTECS No: SA7525000
UN No: 1233

C₈H₁₆O₂ / CH₃COOCH(CH₃)CH₂CH(CH₃)₂
Molecular mass: 144.2

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Flammable.	NO open flames, NO sparks, and NO smoking.	Powder, alcohol-resistant foam, water spray, carbon dioxide.
EXPLOSION	Above 45°C explosive vapour/air mixtures may be formed.	Above 45°C use a closed system, ventilation, and explosion-proof electrical equipment.	In case of fire: keep drums, etc., cool by spraying with water.

EXPOSURE
Inhalation	Cough. Sore throat.	Ventilation, local exhaust, or breathing protection.	Fresh air, rest.
Skin	Redness.	Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness.	Safety spectacles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion			Rinse mouth.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Personal protection: filter respirator for organic gases and vapours.	UN Hazard Class: 3 UN Pack Group: III

EMERGENCY RESPONSE	SAFE STORAGE
Transport Emergency Card: TEC (R)-30GF1-III NFPA Code: H1; F2; R0	Fireproof. Separated from strong oxidants.

IMPORTANT DATA
Physical State; Appearance COLOURLESS LIQUID, WITH CHARACTERISTIC ODOUR. Chemical dangers Reacts with strong oxidants. Occupational exposure limits TLV: 50 ppm as TWA; (ACGIH 2004). MAK: IIb (not established but data is available) (DFG 2004).	Routes of exposure The substance can be absorbed into the body by inhalation of its vapour. 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 irritating to the eyes, the skin and the respiratory tract. Exposure at high levels may result in unconsciousness.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Boiling point: 146°C Melting point: -64°C Relative density (water = 1): 0.86 Solubility in water: none Vapour pressure, kPa at 20°C: 0.4 Relative vapour density (air = 1): 5.0 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.01 Flash point: 45°C c.c. Explosive limits, vol% in air: 0.9-5.7

NOTES

Card has been partly updated in April 2005. See sections Occupational Exposure Limits, Emergency Response.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004

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