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
cas number :94-13-3
(EINECS) number :202-307-7
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
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :150.141
150.161
172.515
181.23
184.1670

Suppliers :
Penta :propyl 4-hydroxybenzoate
Sigma-Aldrich-SAFC :Propyl 4-hydroxybenzoate

organoleptics :
odor strength :medium ,
recommend smelling in a 10.00 % solution or less
odor description :¹
at 100.00 %.  
sweet smoky burnt woody hawthorn
odor sample from :Sigma-Aldrich Inc.

properties :
appearence :white crystalline powder
assay : 99.00 to 100.00 %   
Food Chemicals Codex Listed :No
melting point : 95.00 to 98.00 °C. @ 760.00 mm Hg
boiling point : 294.00 to 295.00 °C. @ 760.00 mm Hg
flash point : 256.00  °F.  TCC  ( 124.44 °C. )
logP (o/w) : 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
  R 36/37/38 - Irritating to eyes, respiratory system, and skin.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36 - Wear suitable protective clothing.
Oral Toxicity(LD50) :
  Oral-Rabbit    6.00  gm/kg

Oral-Mouse    6332.00  mg/kg

Intraperitoneal-Mouse    200.00  mg/kg

Dermal Toxicity(LD50) :
  Subcutaneous-Mouse  1650.00  mg/kg

Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
 
recommendation for propyl 4-hydroxybenzoate usage levels up to :
  0.0500 % in the fragrance concentrate.

safety references :
EPI System :view
NLM Hazardous Substances Data Bank :search
AIDS Citations :Search
Cancer Citations :Search
Toxicology Citations :Search
EPA GENetic TOXicology :Search
Env. Mutagen Info. Center :Search
NLM Developmental and Reproductive Toxicity :Search
National Toxicology Program :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
SCCNFP :opinion
 
WGK Germany :1
 
 
 
 propyl 4-hydroxybenzoate
(EINECS) number :202-307-7
RTECS :DH2800000 for 94-13-3
chemidplus :000094133
EPA Substance Registry Services :94-13-3
dtp/nci :23515

references :
 propyl 4-hydroxybenzoate
fl. number :09.915
NIST Chemistry WebBook :3457005848
pubchem :150215

Cosmetics :
Cosmetic uses : perfuming agents
preservatives

other :
reference : Luebke, William tgsc, (2007)¹
CosIng :cosmetic data
Household Products : Search
synonyms :
4-hydroxybenzoic acid propyl ester
para-hydroxybenzoic acid propyl ester
 preserval P
 propyl chemosept
 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) blends with :
 acorn acetate
4-allyl-2,6-dimethoxyphenol
 amber oil
 benzyl disulfide
 betel leaf oil
 birch tar oil
 cade oil
 castoreum absolute
 cedarwood oil china
 chipotle chili oleoresin
 cubeb oil
2,6-dimethoxyphenol
2,3-dimethyl benzofuran
3,7-dimethyl-6-octenoic acid
alpha-ethoxy-ortho-cresol
 ethyl 3-hydroxyhexanoate
4-ethyl guaiacol
para-ethyl phenol
 furfuryl mercaptan
 guaiacol
 guaiacyl acetate
1-methyl pyrrole
2-methyl-1,3-dithiolane
4-methyl-2,6-dimethoxyphenol
 pepper tree berry oil
 phoebe oil brazil
 prenyl mercaptan
2-propyl phenol
 pyroligneous acids
 pyroligneous acids hickory
 rum ether
 vanillyl ethyl ether
2,5-xylenol
dextro-xylose

(odor and/or flavor) used in :
 preservatives

natural occurrence in :
not found in nature



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