Butyraldehyde

Melting point :-96 °C
Boiling point :75 °C(lit.)
Density :0.817
vapor density :2.5 (vs air)
vapor pressure :90 mm Hg ( 20 °C)
refractive index :n20/D 1.380(lit.)
FEMA :2219 | BUTYRALDEHYDE
Flash point :12 °F
storage temp. :2-8°C
solubility :water: soluble50g/L at 20°C
form :Liquid
color :Clear colorless
Odor :Pungent aldehyde; pungent and intense.
PH :6-7 (71g/l, H2O, 20℃)
PH Range :6-7
Odor Threshold :0.00067ppm
Odor Type :chocolate
biological source :synthetic
explosive limit :1.7-11.1%(V)
Water Solubility :7.1 g/100 mL (25 ºC)
Thermal Conductivity :0.14 W/(m·K) at 25 ℃
Sensitive :Air Sensitive
Merck :14,1591
JECFA Number :86
BRN :506061
Henry's Law Constant :9.5×10^-2 mol/(m³Pa) at 25℃, Burkholder et al. (2019)
Exposure limits :No exposure limit is set for n-butyraldehyde.
Dielectric constant :13.4（26℃）
Stability :Stable. Incompatible with oxidizing agents, strong bases, strong reducing agents, strong acids. Highly flammable.
Major Application :cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care Cosmetics Ingredients Functions :PERFUMING
InChI :1S/C4H8O/c1-2-3-4-5/h4H,2-3H2,1H3
InChIKey :ZTQSAGDEMFDKMZ-UHFFFAOYSA-N
SMILES :[H]C(=O)CCC
LogP :1.3 at 20℃ and pH4.4-4.7
Surface tension :70mN/m at 1g/L and 20℃
CAS DataBase Reference :123-72-8(CAS DataBase Reference)
NIST Chemistry Reference :Butanal(123-72-8)
EPA Substance Registry System :Butyraldehyde (123-72-8)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H316 Causes mild skin irritation Skin corrosion/irritation Category 3 Warning P332+P313 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501 H371 May cause damage to organs Specific target organ toxicity, single exposure Category 2 Warning P260, P264, P270, P309+P311, P405,P501 H402 Harmful to aquatic life Hazardous to the aquatic environment, acute hazard Category 3
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. P273 Avoid release to the environment. 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. 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+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…