Basic information Safety Related Supplier
4-Hydroxybenzoic acid Structure

4-Hydroxybenzoic acid

Chemical Properties

Melting point 213-217 °C (lit.)
Boiling point 213.5°C (rough estimate)
Density  1,46 g/cm3
vapor pressure  0Pa at 20℃
refractive index  1.4600 (estimate)
FEMA  3986 | 4-HYDROXYBENZOIC ACID
Flash point 199 °C
storage temp.  Store below +30°C.
solubility  methanol: soluble5%, clear to slightly hazy, colorless to faintly yellow
pka 4.48(at 19℃)
form  Crystalline Powder
color  White to ivory
PH 3.3 (1g/l, H2O, 20℃)
Odor at 100.00 %. phenolic nutty
Odor Type phenolic
Water Solubility  5 g/L (20 ºC)
Merck  14,4812
JECFA Number 957
BRN  970950
InChIKey FJKROLUGYXJWQN-UHFFFAOYSA-N
LogP 0.878 at 22℃
CAS DataBase Reference 99-96-7(CAS DataBase Reference)
NIST Chemistry Reference Benzoic acid, 4-hydroxy-(99-96-7)
EPA Substance Registry System p-Hydroxybenzoic acid (99-96-7)

Safety Information

Hazard Codes  Xi
Risk Statements  36-36/37/38
Safety Statements  26-37/39-36
WGK Germany  1
RTECS  DH1925000
Autoignition Temperature >250 °C
TSCA  Yes
HS Code  29182930
Hazardous Substances Data 99-96-7(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 5000 mg/kg

MSDS

Usage And Synthesis

4-Hydroxybenzoic acid Supplier

4-Hydroxybenzoic acid manufacturers