Glycolic acid

Melting point :75-80 °C (lit.)
Boiling point :112 °C
bulk density :600kg/m3
Density :1.25 g/mL at 25 °C
vapor pressure :10.8 hPa (80 °C)
refractive index :n20/D 1.424
Flash point :112°C
storage temp. :Store below +30°C.
solubility :H₂O: 0.1 g/mL, clear
form :Solution
pka :3.83(at 25℃)
color :White to off-white
PH :2 (50g/l, H2O, 20℃)
Odor :at 100.00 %. odorless very mild buttery
Odor Type :buttery
Water Solubility :SOLUBLE
Sensitive :Hygroscopic
Merck :14,4498
BRN :1209322
Henry's Law Constant :2.8×10² mol/(m³Pa) at 25℃, Burkholder et al. (2019)
Stability :Stable. Incompatible with bases, oxidizing agents and reducing agents.
Cosmetics Ingredients Functions :BUFFERING
Cosmetic Ingredient Review (CIR) :Glycolic acid (79-14-1)
InChI :1S/C2H4O3/c3-1-2(4)5/h3H,1H2,(H,4,5)
InChIKey :AEMRFAOFKBGASW-UHFFFAOYSA-N
SMILES :OCC(O)=O
LogP :-1.07 at 20℃
CAS DataBase Reference :79-14-1(CAS DataBase Reference)
NIST Chemistry Reference :Acetic acid, hydroxy-(79-14-1)
EPA Substance Registry System :Glycolic acid (79-14-1)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. 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.