| Melting point |
253-258 °C (lit.) |
| Boiling point |
276 °C/30 mmHg (lit.) |
| Density |
1.396 |
| bulk density |
750-850kg/m3 |
| vapor pressure |
<1 mm Hg ( 20 °C) |
| refractive index |
1.548 |
| Flash point |
240 °C |
| storage temp. |
Store below +30°C. |
| solubility |
H2O: 0.1 g/mL, clear, colorless |
| form |
Crystals |
| pka |
13.55±0.10(Predicted) |
| color |
White |
| PH |
3.5-4.5 (100g/l, H2O, 35℃) |
| Odor |
odorless |
| Water Solubility |
1 g/18 mL (15 ºC) |
| Sensitive |
Hygroscopic |
| Merck |
14,7111 |
| BRN |
1679274 |
| Henry's Law Constant |
7.3×1010 mol/(m3Pa) at 25℃, Burkholder et al. (2019) |
| Exposure limits |
ACGIH:TLV-TWA 10 mg/m3,Inhalable particulate matter
OSHA:PEL-TWA 15 mg/m3 (total dust),5 mg/m3 (respirable fraction)
NIOSH:REL-TWA 10 mg/m3 (total dust),5 mg/m3 (respirable fraction) |
| Stability |
Stable. Incompatible with strong acids, strong oxidizing agents, acid chlorides, acid anhydrides. Combustible. |
| Cosmetics Ingredients Functions |
SKIN CONDITIONING
HUMECTANT |
| InChI |
1S/C5H12O4/c6-1-5(2-7,3-8)4-9/h6-9H,1-4H2 |
| InChIKey |
WXZMFSXDPGVJKK-UHFFFAOYSA-N |
| SMILES |
OCC(CO)(CO)CO |
| LogP |
-1.7 at 22℃ |
| CAS DataBase Reference |
115-77-5(CAS DataBase Reference) |
| NIST Chemistry Reference |
1,3-Propanediol, 2,2-bis(hydroxymethyl)-(115-77-5) |
| EPA Substance Registry System |
Pentaerythritol (115-77-5) |
