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540-88-5

Name tert-Butyl acetate
CAS 540-88-5
EINECS(EC#) 208-760-7
Molecular Formula C6H12O2
MDL Number MFCD00008807
Molecular Weight 116.16
MOL File 540-88-5.mol

Chemical Properties

Description
tert-Butyl acetate, or t-butyl acetate, is a colourless flammable liquid with a camphoror blueberry-like smell. It is used as a solvent in the production of lacquers, enamels, inks, adhesives, thinners, and industrial cleaners. It is also used as an additive to improve the anti-knock properties of motor fuels. tert-Butyl acetate has three isomers: n-butyl acetate, isobutyl acetate, and sec-butyl acetate.
Appearance Butyl acetates are colorless or yellowish liquids with pleasant, fruity odors. There are 4 isomers.
Melting point  -62°C
Boiling point  98 °C
density  0.866 g/mL at 20 °C(lit.)
vapor density  4.01 (vs air)
vapor pressure  41 hPa (20 °C)
refractive index  n20/D 1.386(lit.)
Fp  60 °F
storage temp.  Flammables area
solubility  Miscible with alcohol and ether (Windholz et al., 1983).
form  Liquid
color  Clear colorless
Odor Fruity
explosive limit 1.5%(V)
Odor Threshold 0.071ppm
Water Solubility  insoluble
Merck  14,1537
BRN  1699506
Exposure limits NIOSH REL: TWA 200 ppm (950 mg/m3), IDLH 1,500 ppm; OSHA PEL: TWA 200 ppm; ACGIH TLV: TWA 200 ppm (adopted).
InChIKey WMOVHXAZOJBABW-UHFFFAOYSA-N
LogP 1.64 at 21.7℃
CAS DataBase Reference 540-88-5(CAS DataBase Reference)
NIST Chemistry Reference Acetic acid, 1,1-dimethylethyl ester(540-88-5)
EPA Substance Registry System 540-88-5(EPA Substance)

Safety Data

Hazard Codes  F
Risk Statements 
R11:Highly Flammable.
R66:Repeated exposure may cause skin dryness or cracking.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S25:Avoid contact with eyes .
S29:Do not empty into drains .
S33:Take precautionary measures against static discharges .
OEB A
OEL TWA: 200 ppm (950 mg/m3)
RIDADR  UN 1123 3/PG 2
WGK Germany  1
RTECS  AF7400000
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29153990
storage tert-Butyl acetate should be stored in a cool, dry, well-ventilated area in tightly sealed containers that are labeled in accordance with regulatory standards. Containers of tert butyl acetate should be protected from physical damage and should be stored separately from nitrates, strong oxidizers, strong acids, strong alkalis, heat, sparks, and open flame. Because containers that formerly contained tert-butyl acetate may still hold product resi dues, they should be handled appropriately
Precautions If exposures to tert-butyl acetate or a solution in work areas gets into the eyes, immediately fl ush the eyes with large amounts of water for a minimum of 15 min, lifting the lower and upper lids occasionally. Always use safety goggles or eye protection in combination with breathing protection.
Safety Profile
Poison by inhalation and ingestion. Flammable. To fight fire, use alcohol foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazardous Substances Data 540-88-5(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 4100 mg/kg
IDLA 1,500 ppm

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