propyl 4-hydroxybenzoate
 
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IUPAC name :propyl 4-hydroxybenzoate
InChI :InChI=1/C10H12O3/c1-2-7-13-10(12)8-3-5-9(11)6-4-8/h3-6,11H,2,7H2,1H3
InChIKey :QELSKZZBTMNZEB-UHFFFAOYAD
SMILES :CCCOC(=O)C1=CC=C(C=C1)O
(EINECS) number :202-307-7
cas number :94-13-3
beilstein number :1103245
fema number :2951
coe number :678
fl. number :09.915
molar refractivity :49.17 ± 0.3 cm3
parachor :406.7 ± 4.0 cm3
index of refraction :1.531 ± 0.02
surface tension :43.0 ± 3.0 dyne/cm
density :1.134 ± 0.06 g/cm3
polarizability :19.49 ± 0.5 10-24cm3
xlogp : 2.30
molecular weight : 180.2004800
formula :C10 H12 O3
BioActivity Analysis :85387
 
 
fda reg :150.141
150.161
172.515
181.23
184.1670
h. number :unspecified
organoleptics : 
odor strength :medium ,
recommend smelling in a 10.00 % solution or less
odor description¹ :
at 100.00 %.  
sweet smoky burnt woody hawthorn
properties : 
appearence :white crystalline powder
assay : 99.00 - 100.00 %   
Food Chemicals Codex Listed :No
melting point : 95.00 - 98.00 °C. @ 760.00 mm Hg
boiling point : 294.00 - 295.00 °C. @ 760.00 mm Hg
logp : 3.04
shelf life : 24.00 month(s) or longer if stored properly.
storage :store in cool, dry place in tightly sealed containers, protected from heat and light.
safety : 
most important hazard(s) : Xi - Irritant
  
Oral Toxicity(LD50) : Oral-Rabbit    6.00  gm/kg    
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 256.00  °F.  TCC  ( 124.44 °C. )
  
recommendation for propyl 4-hydroxybenzoate usage levels up to :
  0.0500 % in the fragrance concentrate.
  
safety links : 
(EINECS) number :202-307-7
rtecs :DH2800000 for 94-13-3
chemidplus :000094133
epa-srs :94-13-3
dtp/nci :23515
  
other : 
 
references : 
pubchem :150215
NIST Chemistry WebBook :3457005848
  
reference : Luebke, William tgsc, (2007)¹
synonyms :
4-hydroxybenzoic acid propyl ester
para-hydroxybenzoic acid propyl ester
 propyl 4-hydroxybenzoate
 propyl para-hydroxybenzoate
N-propyl para-hydroxybenzoate
 propyl paraben
 propyl parasept
soluble in :
 alcohol
 propylene glycol
 water, 500 mg/L @ 25C
insoluble in :
 water
(odor and/or flavor) used in :
 preservatives
natural occurrence in :
not found in nature



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