Piperonylic acid

Melting point :229-231 °C (lit.)
Boiling point :254.32°C (rough estimate)
Density :1.3579 (rough estimate)
refractive index :1.5090 (estimate)
storage temp. :Sealed in dry,Room Temperature
solubility :DMSO (Slightly), Methanol (Slightly)
pka :4.35±0.20(Predicted)
form :Powder
color :Off-white to beige
Water Solubility :slightly soluble
Merck :14,7477
BRN :150206
Cosmetics Ingredients Functions :SKIN PROTECTING
SKIN CONDITIONING InChI :1S/C8H6O4/c9-8(10)5-1-2-6-7(3-5)12-4-11-6/h1-3H,4H2,(H,9,10)
InChIKey :VDVJGIYXDVPQLP-UHFFFAOYSA-N
SMILES :OC(=O)c1ccc2OCOc2c1
LogP :0.810 (est)
CAS DataBase Reference :94-53-1(CAS DataBase Reference)
NIST Chemistry Reference :1,3-Benzodioxole-5-carboxylic acid(94-53-1)
EPA Substance Registry System :1,3-Benzodioxole-5-carboxylic acid (94-53-1)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 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. P280 Wear protective gloves/protective clothing/eye protection/face protection. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.