2-methyl-3-buten-2-ol
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IUPAC name :2-methylbut-3-en-2-ol
InChI :InChI=1/C5H10O/c1-4-5(2,3)6/h4,6H,1H2,2-3H3
InChIKey :HNVRRHSXBLFLIG-UHFFFAOYAW
SMILES :CC(C)(C=C)O
cas number :115-18-4
(EINECS) number :204-068-4
beilstein number :1698263
coe number :11794
fl. number :02.123
molar refractivity :26.43 ± 0.3 cm3
parachor :231.9 ± 4.0 cm3
index of refraction :1.423 ± 0.02
surface tension :24.9 ± 3.0 dyne/cm
density :0.830 ± 0.06 g/cm3
polarizability :10.48 ± 0.5 10-24cm3
XlogP : 0.80
molecular weight : 86.1323000 (IUPAC)
formula :C5 H10 O
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :172.515

Suppliers :
Penta :2-methyl-3-buten-2-ol
Sigma-Aldrich-SAFC :2-Methyl-3-buten-2-ol
≥98%, Kosher
Odor:  oily; herbaceous; earthy

organoleptics :
odor strength :medium ,
recommend smelling in a 10.00 % solution or less
odor description :
at 10.00 % in dipropylene glycol.  
herbal earthy oily

properties :
appearence :colorless clear liquid
assay : 98.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.81800 to 0.82700 @ 25.00 °C.
pounds per gallon - calc. : 6.807 to 6.881
refractive index :1.41300 to 1.41900 @ 20.00 °C.
boiling point : 97.00 to 99.00 °C. @ 760.00 mm Hg
vapor pressure :51.00000 mm/Hg @ 25.00 °C.
flash point : 56.00  °F.  TCC  ( 13.33 °C. )
logP (o/w) : 1.08

safety :
most important hazard(s) :Xn - Harmful.
  R 11 - Highly flammable.
R 22 - Harmful if swallowed.
R 36 - Irritating to 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    1800.00  mg/kg
(BASF, 1972)

Intraperitoneal-Rat    1315.00  mg/kg

Intraperitoneal-Mouse    800.00  mg/kg

Dermal Toxicity(LD50) :
  Subcutaneous-Mouse  1680.00  mg/kg

Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :0.0012 (μg/capita/day)
modified Theoretical Added Maximum Daily Intake (mTAMDI) :3900 (μg/person/day)
Threshold of concern :540 (μg/person/day)
Structure Class :II
 
recommendation for 2-methyl-3-buten-2-ol usage levels up to :
  0.0500 % in the fragrance concentrate.
 
 
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFFA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFFA, 2002i).
Note : mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
 average usage mg/kgmaximum usage mg/kg
Dairy products, excluding products of category 02.0 (01.0) : 7.0000035.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0) : 5.0000025.00000
Edible ices, including sherbet and sorbet (03.0) : 10.0000050.00000
Processed fruit (04.1) : 7.0000035.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) : --
Confectionery (05.0) : 10.0000050.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) : 5.0000025.00000
Bakery wares (07.0) : 10.0000050.00000
Meat and meat products, including poultry and game (08.0) : 2.0000010.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) : 2.0000010.00000
Eggs and egg products (10.0) : --
Sweeteners, including honey (11.0) : --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0) : 5.0000025.00000
Foodstuffs intended for particular nutritional uses (13.0) : 10.0000050.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1) : 5.0000025.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) : 10.0000050.00000
Ready-to-eat savouries (15.0) : 20.00000100.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) : 5.0000025.00000

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
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
WISER :UN 1987
 
WGK Germany :1
 
 
 
 2-methylbut-3-en-2-ol
(EINECS) number :204-068-4
RTECS :EM9472000 for 115-18-4
chemidplus :000115184
EPA/NOAA CAMEO :hazardous materials
EPA Substance Registry Services :115-18-4
dtp/nci :15977

references :
 2-methylbut-3-en-2-ol
fl. number :02.123
NIST Chemistry WebBook :3260023686
pubchem :151393

Cosmetics :
Cosmetic uses : perfuming agents

other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
synonyms :
3-hydroxy-3-methyl butene
2-methyl but-3-en-2-ol
3-methyl-1-buten-3-ol
2-methyl-2-hydroxy-3-butene
2-methyl-3-buten-2-yl alcohol
2-methyl-3-butenol
2-methylbut-3-en-2-ol
isoprenyl alcohol
 vinyl dimethyl carbinol

soluble in :
 alcohol
 water, 1000000 mg/L @ 25C

insoluble in :
 water

(odor and/or flavor) blends with :
 bornyl formate
 buchu mercaptan
 cassis pentanone
 dihydro-alpha-ionone
 ethyl (E,Z)-2,4-decadienoate
dextro-fenchone
 geranium concrete
 geranium oil moroccan
 geranyl methyl tiglate
 heptanal dimethyl acetal
 herbal ketone
 hydroxymethyl hexyl ethyl ketone
 maltyl isobutyrate
 methyl 2-(methyl thio) butyrate
 methyl ketones
 methyl thiomethyl butyrate
2-nonanone
1,5-octadien-3-ol
(Z)-4-octen-1-ol
isooctyl acetate
 oregano oleoresin
 passiflora acetate
 phenethyl acetate
 propyl 2-furoate
 propyl isobutyrate
 spathulenol
2-tridecanone
isovaleraldehyde propylene glycol acetal
 viridiflorol

(odor and/or flavor) used in :
 earth humus
 herbal

natural occurrence in :
bilberry - 0.05 mg/kg
cabbage - trace ammount
cardamom - trace ammount
cherimoya - up to 0.05 mg/kg
coffee - up to 2.5 mg/kg
cranberry - 0.1 mg/kg
currant black currant - 0.6 mg/kg
hops
lavender oil
data pagelemon verbena oil turkey @ 0.10%
mango - 3.3 mg/kg
milk powdered milk - 0.003 mg/kg
papaya - 0.002 mg/kg
passion fruit - up to 0.1 mg/kg
tea - 1 mg/kg
ylang ylang oil
data pageylang ylang oil @ 0.07%
data pageylang ylang oil CO2 extract @ 0.18%



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