Melting point :110-113 °C(lit.)
Boiling point :192-193 °C14 mm Hg(lit.)
Density :1.013
FEMA :4049 | 4-HYDROXY-3,5,-DIMETHOXY BENZALDEHYDE
refractive index :1.4500 (estimate)
Flash point :192-193°C/14mm
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
solubility :Chloroform, Methanol (Slightly)
form :Crystalline Powder
pka :7.80±0.23(Predicted)
color :Light yellow-green to brown
Odor :at 100.00 %. mild plastic woody tonka sweet
Odor Type :green
biological source :synthetic
Water Solubility :very sparingly soluble
Sensitive :Air Sensitive
Merck :14,9015
JECFA Number :1878
BRN :784514
Henry's Law Constant :3.7×10⁵ mol/(m³Pa) at 25℃, McFall et al. (2020)
Stability :Hygroscopic
Major Application :cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care InChI :1S/C9H10O4/c1-12-7-3-6(5-10)4-8(13-2)9(7)11/h3-5,11H,1-2H3
InChIKey :KCDXJAYRVLXPFO-UHFFFAOYSA-N
SMILES :COc1cc(C=O)cc(OC)c1O
LogP :1.30
CAS DataBase Reference :134-96-3(CAS DataBase Reference)
NIST Chemistry Reference :Benzaldehyde, 4-hydroxy-3,5-dimethoxy-(134-96-3)
EPA Substance Registry System :Syringaldehyde (134-96-3)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.