prenol
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IUPAC name :3-methylbut-2-en-1-ol
InChI :InChI=1/C5H10O/c1-5(2)3-4-6/h3,6H,4H2,1-2H3
InChIKey :ASUAYTHWZCLXAN-UHFFFAOYAN
SMILES :CC(=CCO)C
cas number :556-82-1
(EINECS) number :209-141-4
beilstein number :1633479
fema number :3647
coe number :11795
jecfa number :1200
fl. number :02.109
molar refractivity :26.64 ± 0.3 cm3
parachor :231.2 ± 4.0 cm3
index of refraction :1.435 ± 0.02
surface tension :26.4 ± 3.0 dyne/cm
density :0.844 ± 0.06 g/cm3
polarizability :10.56 ± 0.5 10-24cm3
XlogP : 0.70
molecular weight : 86.1323000
formula :C5 H10 O
BioActivity Analysis :435948
NMR Predictor :Predict
 
 
export tariff code :2905.29.9000
fda reg :unspecified

Suppliers :
Bedoukian Research :PRENOL (3-METHYL-2-BUTEN-1-OL)
≥96.0%, Kosher
Odor:  fruity, green, lavender
Berje :Prenol
Citrus and Allied Essences :prenol
Grau Aromatics :VERTENOL (PRENOL)
NI, Kosher
Moellhausen :prenol
98% min. nature identical kosher
Odor:  fresh, ethereal, yeast and fermented
Penta :3-methyl-2-buten-1-ol
Sigma-Aldrich-SAFC :3-methyl-2-buten-1-ol
≥98%, Kosher
Odor:  fruity; green

organoleptics :
odor type :fruity
odor strength :medium
odor description :
at 100.00 %.  
fruity green lavender

properties :
appearence :colorless clear liquid
assay : 99.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.84400 to 0.85200 @ 25.00 °C.
pounds per gallon - calc. : 7.023 to 7.089
refractive index :1.43800 to 1.44800 @ 20.00 °C.
boiling point : 138.00 to 174.00 °C. @ 760.00 mm Hg
vapor pressure :1.40000 mm/Hg @ 20.00 °C.
flash point : 110.00  °F.  TCC  ( 43.33 °C. )
logP (o/w) : 1.17

safety :
most important hazard(s) :Xn - Harmful.
  R 10 - Flammable.
R 22 - Harmful if swallowed.
R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
S 16 - Keep away from sources of ignition - No Smoking.
S 20/21 - When using do not eat, drink or smoke.
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 37/39 - Wear suitable gloves and eye/face protection.
Oral Toxicity(LD50) :
  Oral-Rat    810.00  mg/kg
Food and Cosmetics Toxicology. Vol. 17, Pg. 895, 1979.

Dermal Toxicity(LD50) :
  Skin-Rabbit  3900.00  mg/kg
Food and Cosmetics Toxicology. Vol. 17, Pg. 895, 1979.

Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :4.60 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA) :3.80 (μg/capita/day)
 
recommendation for prenol usage levels up to :
  8.0000 % in the fragrance concentrate.

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
Cancer Citations :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
WISER :UN 1987
 
WGK Germany :1
 
 
 
 3-methylbut-2-en-1-ol
(EINECS) number :209-141-4
RTECS :EM9472500 for 556-82-1
chemidplus :000556821
EPA Substance Registry Services :556-82-1
dtp/nci :158709

references :
 3-methylbut-2-en-1-ol
fl. number :02.109
jecfa number :1200
NIST Chemistry WebBook :3907847182
pubchem :154475

Cosmetics :
Cosmetic uses : perfuming agents

other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
synonyms :
 dimethyl allyl alcohol
3-methyl but-2-en-1-ol
3-methyl crotyl alcohol
3-methyl-2-buten-1-ol
3-methyl-2-butenol
3-methyl-2-butenyl alcohol
3-methylbut-2-en-1-ol
 prenyl alcohol
 vertenol

soluble in :
 alcohol

insoluble in :
 water

(odor and/or flavor) blends with :
 acetaldehyde benzyl 2-methoxyethyl acetal
 acetaldehyde dihexyl acetal
 acetaldehyde diisoamyl acetal
 acetaldehyde methyl hexyl acetal
 allyl amyl glycolate
 allyl butyrate
 allyl tiglate
isoamyl benzoate
isoamyl butyrate
alpha-amyl cinnamaldehyde diethyl acetal
 amyl formate
 amyl hexanoate
isoamyl isovalerate
isoamyl octanoate
 berry pentadienoate
 boronia absolute
 buchu mercaptan
 butyl 2-methyl butyrate
 butyl isobutyrate
isobutyl propionate
 cherry pentenoate
 citronellyl propionate
 cognac heptanone
para-cresyl isobutyrate
beta-cyclocitral
2-cyclopentyl cyclopentanone
gamma-damascone
alpha-decalactone
3-decen-2-one
9-decenoic acid
 diethyl malonate
 dimethyl succinate
6,8-dimethyl-2-nonanol
(E,E)-2,4-dodecadien-1-ol
 ethyl (E)-2-hexenoate
 ethyl (E)-2-octenoate
 ethyl (E)-4-decenoate
 ethyl 2-cyclohexyl propionate
 ethyl 2-octenoate
 ethyl 3-acetoxyhexanoate
 ethyl 3,5,5-trimethyl hexanoate
 ethyl acetoacetate
 ethyl methyl-para-tolyl glycidate
2-ethyl-4-butanol
 furfuryl propionate
(E)-geranyl acetone
 geranyl isovalerate
 green dioxolane
(E,E)-2,4-heptadien-1-ol
 heptanal cyclic ethylene acetal
2-heptanol
 heptyl isobutyrate
 hexanal propylene glycol acetal
 hexanol
2-hexen-1-al
(E)-2-hexen-1-al diethyl acetal
2-hexen-1-al diethyl acetal
2-hexen-1-ol
(Z)-3-hexen-1-yl (E)-2-hexenoate
(Z)-3-hexen-1-yl 2-methyl-2-pentenoate
(E)-2-hexen-1-yl acetate
(E)-3-hexen-1-yl acetate
(Z)-3-hexen-1-yl acetate
2-hexen-1-yl acetate
(E)-2-hexen-1-yl formate
(E)-2-hexen-1-yl hexanoate
(Z)-3-hexen-1-yl hexanoate
(Z)-3-hexen-1-yl isobutyrate
(Z)-3-hexen-1-yl isovalerate
(E)-2-hexen-1-yl propionate
(E)-2-hexen-1-yl valerate
(Z)-3-hexen-1-yl valerate
1-hexen-3-yl acetate
 hexyl (E)-2-hexenoate
 hexyl 2-butenoate
 hexyl acetate
 hexyl butyrate
 hexyl isobutyrate
 hexyl isovalerate
 hexyl octanoate
 hexyl pivalate
 hexyl propionate
 lily propanol
 linalyl hexanoate
 melon valerate
 methyl (E)-2-hexenoate
 methyl (E)-3-nonenoate
 methyl (E)-3-nonenoate
 methyl 2-hexenoate
 methyl 2-undecynoate
 methyl 4-pentenoate
(E)-methyl geranate
 methyl heptanoate
 methyl R-3-acetoxyhexanoate
2-methyl valeraldehyde
 methyl valerate
3-methyl valeric acid
(E)-2-methyl-2-octen-1-al
2-methyl-2-octen-1-al
3-methyl-3-pentanol
 nerolidyl isobutyrate
(E,E)-3,5-octadien-2-one
 octen-1-yl cyclopentanone
 octyl 2-methyl butyrate
 papaya isobutyrate
(E)-2-penten-1-al
2-pentyl furan
 phenoxyethyl isobutyrate
4-phenyl-2-butyl acetate
 pineapple pentenoate
 prenyl hexanoate
isopropyl 2-methyl butyrate
alpha-isopropyl phenyl acetaldehyde
 propylene acetal
 rhubarb undecane
 sorbyl isobutyrate
 tetrahydrofurfuryl butyrate
 thiogeraniol
 tiglaldehyde
 timber dioxolane
 tropical indene
 tropical thiazole
 violet dienyne
 woody acetate

(odor and/or flavor) used in :
 apple
 banana
 blackberry
 bramble arctic bramble
 bread white bread
 cloudberry bakeapple
 coffee
 cranberry
 currant
 grape
 green
 hops houblon
 huckleberry bilberry
 lavender
 mango
 passion fruit
 raspberry
 rum
 tomato

natural occurrence in :
blackberry
coffee
data pageheracleum paphlagonicum czeczott fruit oil turkey @ <0.10%
hop oil
mango
raspberry plant
ylang ylang oil
data pageylang ylang oil @ 0.06%



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