alpha-terpinene
 
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IUPAC name :1-methyl-4-propan-2-ylcyclohexa-1,3-diene
InChI :InChI=1/C10H16/c1-8(2)10-6-4-9(3)5-7-10/h4,6,8H,5,7H2,1-3H3
InChIKey :YHQGMYUVUMAZJR-UHFFFAOYAG
SMILES :CC1=CC=C(CC1)C(C)C
(EINECS) number :202-795-1
cas number :99-86-5
fema number :3558
coe number :11023
jecfa number :1339
fl. number :01.019
molar refractivity :45.44 ± 0.3 cm3
parachor :366.6 ± 4.0 cm3
index of refraction :1.475 ± 0.02
surface tension :26.8 ± 3.0 dyne/cm
density :0.845 ± 0.06 g/cm3
polarizability :18.01 ± 0.5 10-24cm3
xlogp : 3.50
molecular weight : 136.2340400
formula :C10 H16
 
 
fda reg :172.515 h. number :unspecified
organoleptics : 
odor type :woody
odor strength :medium ,
recommend smelling in a 10.00 % solution or less
odor description :
at 10.00 % in dipropylene glycol.  		woody terpene lemon citrus
taste description³ :at 5.00 - 100.00 ppm.  
Terpy, woody, piney, citrus lemon and lime with spice and mint nuances
substantivity :4  Hour(s)
properties : 
appearence :colorless to pale yellow clear oily liquid
assay : 89.00 - 100.00 %   
Food Chemicals Codex Listed :Yes
specific gravity :0.83300 - 0.83800 @ 25.00 °C.
pounds per gallon - calc. : 6.931 to 6.973
refractive index :1.47500 - 1.48000 @ 20.00 °C.
boiling point : 173.00 - 175.00 °C. @ 760.00 mm Hg
logp : 4.25
safety : 
most important hazard(s) : Xn - Harmful.
  
Oral Toxicity(LD50) : Oral-Rat    1680.00  mg/kg  FCTXAV  14,873,1976
Dermal Toxicity(LD50) : Not determined
  
flash point ( Deg. F. ) : 115.00  °F.  TCC  ( 46.11 °C. )
  
recommendation for alpha-terpinene usage levels up to :
  5.0000 % in the fragrance concentrate.
  
recommendation for alpha-terpinene usage levels up to :
  100.0000 ppm in the flavor.
  
safety links : 
(EINECS) number :202-795-1
rtecs :OS8060000 for 99-86-5
chemidplus :000099865
epa-srs :99-86-5
  
other : 
 
references : 
pubchem :150533
NIST Chemistry WebBook :3919648470
  
reference : Mosciano, Gerard P&F 25, No. 6, 26, (2000)³
synonyms :
para-mentha-1,3-diene
1,3-para-menthadiene
1-methyl-4-(1-methyl ethyl)-1,3-cyclohexadiene
1-methyl-4-isopropyl-1,3-cyclohexadiene
4-isopropyl-1-methyl-1,3-cyclohexadiene
1-isopropyl-4-methyl cyclohexa-1,3-diene
1-isopropyl-4-methyl-1,3-cyclohexadiene
alpha-terpinene
soluble in :
 alcohol
 fixed oils
insoluble in :
 water
(odor and/or flavor) used in :
 bergamot
 cardamom
 carrot
 citrus
 coriander
 lemon
 lime
 mandarin
 mint
 nutmeg
 orange
 spice
 woody
natural occurrence in :
data pageagathosma crenulata oil @ 0.05%
data pageajowan seed oil turkey @ trace%
data pagealpinia galanga oil @ trace%
data pageangelica root oil @ 0.26%
data pagearmoise oil morocco @ 0.2%
data pageartemisia variabilis flower oil italy @ 0.10%
data pageartemisia vestita wall. flower oil @ 7.00%
data pageartemisia vestita wall. leaf oil @ 5.30%
data pagebasil oil sweet poland @ 0.06%
data pagebasil oil var. glabratum turkey @ trace%
data pagebay leaf oil @ 0.02-0.19%
data pagebergamot oil @ 0.081-0.282%
data pagebergamot oil turkey @ 0.07%
bergamot plant wild
data pageblood orange oil (citrus sinensis l. var. sanguinello) italy @ 0.004%
data pageblood orange oil (citrus sinensis l. var. tarocco) italy @ 0.002%
data pageblood orange oil italy @ 0.007%
data pageboldo leaf oil italy @ 0.04%
data pageboldus leaf oil chile @ 0.02%
data pagebuchu leaf oil @ 0.13%
data pagecabocla flower oil brazil @ 0.60%
data pagecajuput oil @ 0.1%
data pagecajuput oil vietnam @ 0.6%
data pagecalamintha nepeta (l.) savi subsp. glandulosa oil greece @ trace%
data pagecalamus leaf oil @ 0.04%
data pagecalamus root oil mongolia @ 0.40%
data pagecananga fruit oil @ 3.7%
cardamom
carrot
data pagecarrot seed oil @ 0.96%
data pagecarrot seed oil spain @ trace-0.29%
data pagecassis bud oil @ trace-1.32%
data pagecedarleaf oil canada @ 0.16-0.45%
data pagecedarwood oil lebanon @ >0.10%
celery
data pagecelery leaf oil @ trace%
data pagecinnamomum fragrans baillon leaf oil madagascar @ 0.30%
data pagecinnamomum fragrans baillon leaf oil madagascar @ 1.20%
data pagecitronella oil ceylon @ 0.06%
data pagecitronella oil china @ 0.01%
data pagecitronella oil java @ 0.01%
data pageclary sage oil france @ trace%
data pageclocimum oil india @ 0.43%
coriander
data pagecoriander seed oil @ <0.10%
data pagecoriander seed oil cuba @ 0.02%
data pagecrithmum maritimum l. oil turkey @ 1.40%
data pagecurry fruit oil india @ 0.20%
data pagecurry leaf oil india @ 0.20%
data pagecypress cone oil egypt @ 0.4%
data pagecypress oil @ 0.22-0.26%
data pagedill weed oil cuba @ 0.34%
data pagedill weed oil reunion @ trace%
data pageestragon oil @ trace%
data pageeucalyptus camaldulensis dehn. leaf oil jerusalem @ 0.60%
data pageeucalyptus camaldulensis dehnh. leaf oil ethiopia @ 0.50%
data pageeucalyptus deaneti maiden leaf oil ethiopia @ 0.30%
data pageeucalyptus globulus fruit oil @ 0.22%
data pageeucalyptus globulus oil burundia @ 0.10%
data pageeucalyptus globulus oil rwanda @ 0.02%
data pageeucalyptus globulus oil zambia @ trace%
data pageeucalyptus nitens (deane et maiden) maiden leaf oil ethiopia @ 0.20%
data pagefeatherfew leaf oil @ 2.98%
fennel
data pagefennel seed oil bitter lithuania @ 1.90%
data pagefir needle oil canada @ 0.02-0.11%
data pagefir needle oil siberia @ 0.10%
data pagefrankincense oil somalia @ trace%
data pagegeranium stem oil india @ 0.11%
data pagegingergrass oil @ 0.02%
grapefruit
data pagegrapefruit oil c.p. @ 0.03%
data pagegrapefruit oil c.p. @ 0.04%
data pagegrapefruit oil c.p. @ 0.24%
data pagegrapefruit oil c.p. italy @ 0.01%
data pagegrapefruit oil CO2 extract @ 0.03%
data pagehelichrysum italicum oil america @ 0.22%
data pagehinoki leaf oil @ 1.11%
data pagehinoki root oil @ 0.41%
data pagehinoki wood oil @ 0.15%
data pagehypericum dogonbadanicum assadi oil iran @ 0.20%
data pagehyptis spicigera lam. oil mali @ 0.30-0.40%
data pagehyptis suaveolens (l.) poit. oil mali @ 0.60-0.90%
data pagejuniper berry oil @ 0.50%
data pagejuniper berry oil CO2 extract @ 4.10%
data pagejuniper branch oil @ 1.10%
data pagejuniper needle oil @ 1.90%
data pagekewda oil @ 0.09-0.22%
data pagelabdanum leaf oil @ 0.10%
data pagelabdanum oil @ trace%
data pagelaurel leaf oil turkey @ 1.30%
data pagelavandin oil abrialis @ 0.09%
data pagelavandin oil grosso @ 0.05%
data pagelavender oil spike spain @ 0.33%
data pagelayana oil kenya @ 0.62%
data pagelayana oil wild zimbabwe @ 0.10-1.10%
data pagelayana oil zimbabwe @ 0.3%
lemon
data pagelemon oil california @ 0.16%
data pagelemon oil expressed italy @ 0.21%
data pagelemon verbena oil turkey @ 0.08%
data pagelemongrass oil morocco @ 0.10%
lime
data pagelime oil distilled mexico @ 2.84%
data pagelime oil distilled peru @ 2.35%
data pagelime oil expressed florida @ 0.3%
data pagelippia aff. gracillis h.b.k. leaf oil brazil @ 1.90%
data pagelovage flower oil @ 0.70%
data pagelovage leaf oil @ 0.80%
data pagelovage seed oil @ 4.80%
data pagemace oil CO2 extract @ 0.70%
mandarin
data pagemandarin oil @ 2.62%
data pagemandarin oil avana @ 0.40%
data pagemandarin oil uruguay @ trace%
data pagemanuka var. eximium oil australia @ 0.10%
data pagemanuka var. rotundifolium oil australia @ 0.10%
data pagemarjoram oil spain @ 0.10%
data pagemarjoram oil sweet cuba @ 3.32%
data pagemarjoram oil sweet cyprus @ 4.70-6.50%
data pagemarjoram oil sweet turkey @ 0.95-1.27%
data pagemarjoram pot oil turkey @ 0.39-2.31%
data pagemastic fruit oil @ 0.04%
data pagemastic leaf oil @ 0.02%
data pagemastic oil @ 0.05%
data pagemicrostrobos niphophilus leaf oil australia @ 0.50%
data pagemikan peel oil @ 0.41%
data pageneroli oil CO2 extract @ 0.04%
nutmeg
data pagenutmeg extract co2 west indian @ 0.40%
data pagenutmeg flower oil @ 3.67%
data pagenutmeg leaf oil @ 2.51-6.48%
data pagenutmeg oil hydrodistilled india @ 2.2%
data pagenutmeg oil india @ 1.24%
data pageocimum gratissimum l. oil brazil @ 0.14%
orange
data pageorange oil c.p. brazil @ trace%
data pageorange peel oil sweet c.p. blond italy @ 0.002%
data pageorange peel oil sweet c.p. blond italy @ 0.003%
data pageorange peel oil sweet c.p. blond italy @ 0.005%
data pageorange peel oil sweet c.p. blond italy @ 0.007%
data pageorange peel oil sweet c.p. blond italy @ 0.011%
data pageorange peel oil sweet c.p. egypt @ 0.12%
oregano
data pageoregano oil mexico @ 0.34%
data pageoriganum oil greece @ 0.03%
data pageparsley leaf oil egypt @ 0.17%
data pagepennyroyal oil spain @ trace%
pepper
data pagepepper oil black india @ 9.90%
data pagepepper tree leaf oil @ 0.02%
peppermint
data pagepeppermint oil america @ 0.43%
data pagepetitgrain combava oil @ 0.03%
data pagepetitgrain grapefruit oil @ 10.70%
data pagepetitgrain mandarin oil @ 0.26%
data pagepetitgrain oil @ 0.30%
data pagepimento berry oil @ trace%
data pagepimento berry oil CO2 extract jamaica @ trace%
pine
data pagepine needle oil dwarf @ 0.13%
data pagepinus sylvestris l. needle oil estonia @ 0.20%
data pagepinus sylvestris l. needle oil yugoslavia @ 0.20%
data pageplectranthus glandulosus hook f. leaf oil cameroon @ 0.80%
data pageprangos uechtritzii boiss. et hausskn. fruit oil turkey @ 0.50%
data pagepteronia oil @ 0.20%
data pagerosemary oil corsica @ 0.70%
data pagerosemary oil egypt @ 0.27%
data pagerosemary oil france @ 0.39-0.46%
data pagerosemary oil morocco @ 0.52-0.66%
data pagerosemary oil turkey @ 3.29%
data pagesage oil albania @ 0.20%
data pagesage oil cuba @ 0.12%
data pagesage oil england @ 0.20%
data pagesage oil germany @ 0.21%
data pagesage oil lithuania @ 0.24%
data pagesage oil reunion @ trace%
data pagesage oil spain @ 0.0-0.1%
data pagesantolina oil @ 0.65%
data pagesatureja viminea l. oil costa rica @ trace%
data pagesavin oil @ 0.50%
data pagesavory oil summer @ 4.45-4.69%
data pagesnake root oil canada @ 0.10%
spearmint
data pagesugandha kokila berry oil @ 0.40%
data pagetagete oil turkey @ 0.02%
data pagetangerine oil america @ trace%
data pagetansy flower oil canada @ 0.23%
data pagetansy flower oil dutch @ 0.20%
data pagetansy leaf oil dutch @ 0.30%
data pagetansy oil argentina @ trace%
data pagetansy oil marocco @ 0.40%
data pagetea tree oil australia @ 9.90%
data pagethevetia peruviana (pers.) k. schum. flower oil brazil @ 1.20%
data pagethyme absolute @ trace%
data pagethyme oil portuguese @ 1.0%
data pagethyme oil red CO2 extract @ 0.07%
data pagethyme oil red india @ 1.4%
data pagethyme oil red spain @ 1.67-2.34%
data pagethyme oil spain @ 0.02%
data pagethyme oil spain @ 1.91%
data pagethyme oil wild or creeping finland @ 0.30%
data pagethyme oil wild or creeping pakistan @ 0.67%
data pagetrachyspermum roxburghianum benth. ex. kurz. seed oil india @ 3.10%
data pageturmeric root oil hydrodistilled @ 0.20%
data pagevassoura oil @ 0.10%
wormseed
data pagewormseed oil america @ 17.54%
data pagewormseed oil spain @ 0.83%
data pagewormwood leaf oil annus america @ 0.22-0.40%
data pagewormwood oil america @ 0.16%
data pagewormwood oil annus france @ 0.00-0.18%
data pagewormwood oil cuba @ 1.55%
data pagewormwood oil italy @ 0.3%
data pageyarrow leaf oil @ 1.10%
data pageyarrow oil @ 0.60%
data pageyarrow oil greece @ 7.00%
data pageyuzu leaf oil @ 0.08-0.12%
data pagezanthoxylum bracchyacanthum l. leaf oil australia @ trace%



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