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4'-Hydroxyacetophenone Structure

4'-Hydroxyacetophenone

Chemical Properties

Melting point 132-135 °C(lit.)
Boiling point 147-148 °C3 mm Hg(lit.)
Density  1.109
vapor pressure  0.002Pa at 20℃
refractive index  1.5577 (estimate)
FEMA  4330 | 4-HYDROXYACETOPHENONE
Flash point 166 °C
storage temp.  Store below +30°C.
solubility  methanol: 0.1 g/mL, clear
form  Crystalline Powder
pka 8.05(at 25℃)
color  Almost white to beige
Specific Gravity 1.109
Odor at 10.00 % in dipropylene glycol. mild sweet hawthorn balsam mimosa
Odor Type floral
Water Solubility  10 g/L (22 ºC)
JECFA Number 2040
BRN  774355
InChIKey TXFPEBPIARQUIG-UHFFFAOYSA-N
LogP 1.35 at 25℃
Substances Added to Food (formerly EAFUS) 4-HYDROXYACETOPHENONE
CAS DataBase Reference 99-93-4(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII G1L3HT4CMH
NIST Chemistry Reference Acetophenone, 4'-hydroxy-(99-93-4)
EPA Substance Registry System 4-Hydroxyacetophenone (99-93-4)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H319-H412
Precautionary statements P264-P273-P280-P305+P351+P338-P337+P313-P501
Hazard Codes  Xn,Xi
Risk Statements  36/37/38-22
Safety Statements  26-36/37-37/39-24/25-22-36
WGK Germany  3
RTECS  PC4959775
Hazard Note  Irritant
TSCA  Yes
HS Code  29145000
NFPA 704:
1
2 0

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