Mesityl oxide

Melting point :−53 °C(lit.)
Boiling point :129 °C(lit.)
Density :0.858 g/mL at 25 °C(lit.)
vapor pressure :10.5 hPa (20 °C)
refractive index :n20/D 1.442(lit.)
FEMA :3368 | 4-METHYL-3-PENTEN-2-ONE
Flash point :87 °F
storage temp. :Store below +30°C.
solubility :30g/l
form :Liquid, Free Of Suspended Matter
color :Clear
Specific Gravity :0.86
Odor :Strong; peppermint; honeylike.
explosive limit :1.4-10.1%(V)
Odor Type :vegetable
biological source :synthetic
Water Solubility :28 G/L (20 ºC)
Thermal Conductivity :0.14 W/(m·K) at 25 ℃
Merck :14,5908
JECFA Number :1131
BRN :1361550
Henry's Law Constant :(x 10^-6 atmm³/mol): 4.01 at 20 °C (approximate - calculated from water solubility and vapor pressure)
Dielectric constant :15.4（20℃）
Exposure limits :ACGIH:TLV-TWA 1 ppm
OSHA:PEL-TWA 25 ppm (100 mg/m3)
NIOSH:REL-TWA 10 ppm Stability :Light Sensitive
Major Application :flavors and fragrances
Cosmetics Ingredients Functions :PERFUMING
InChI :1S/C6H10O/c1-5(2)4-6(3)7/h4H,1-3H3
InChIKey :SHOJXDKTYKFBRD-UHFFFAOYSA-N
SMILES :C\C(C)=C\C(C)=O
LogP :1.37 at 20℃
CAS DataBase Reference :141-79-7(CAS DataBase Reference)
NIST Chemistry Reference :3-Penten-2-one, 4-methyl-(141-79-7)
EPA Substance Registry System :Mesityl oxide (141-79-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501 H361 Suspected of damaging fertility or the unborn child Reproductive toxicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501 H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
Precautionary statements:	P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P242 Use only non-sparking tools. P243 Take precautionary measures against static discharge. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313 IF exposed or concerned: Get medical advice/attention. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention. P370+P378 In case of fire: Use … for extinction. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…