tert-butanol
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IUPAC name :2-methylpropan-2-ol
InChI :InChI=1/C4H10O/c1-4(2,3)5/h5H,1-3H3
InChIKey :DKGAVHZHDRPRBM-UHFFFAOYAF
SMILES :CC(C)(C)O
cas number :75-65-0
(EINECS) number :200-889-7
eu annex :603-005-00-1
beilstein number :0906698
coe number :698
fl. number :02.052
molar refractivity :22.08 ± 0.3 cm3
parachor :203.1 ± 4.0 cm3
index of refraction :1.394 ± 0.02
surface tension :23.6 ± 3.0 dyne/cm
density :0.804 ± 0.06 g/cm3
polarizability :8.75 ± 0.5 10-24cm3
XlogP : 0.80
XlogP3-AA : 0.50
molecular weight : 74.1216000 (IUPAC)
formula :C4 H10 O
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :unspecified

Suppliers :
Penta :tert-butyl alcohol
99%
Pfaltz & Bauer :tert-Butanol
98%
TCI AMERICA :tert-Butanol
>99.0%(GC)
Vigon :Butyl Alcohol Tertiary
Odor:  CAMPHOR-LIKE

organoleptics :
odor description :
camphor

properties :
appearence :colorless clear liquid
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.78000 to 0.79000 @ 25.00 °C.
pounds per gallon - calc. : 6.490 to 6.574
refractive index :1.38400 to 1.39000 @ 20.00 °C.
melting point : 24.00 to 26.00 °C. @ 760.00 mm Hg
boiling point : 82.00 to 83.00 °C. @ 760.00 mm Hg
boiling point : 16.00 to 17.00 °C. @ 30.00 mm Hg
vapor pressure :40.70000 mm/Hg @ 25.00 °C.
vapor density :2.5 ( Air = 1 )
flash point : 51.00  °F.  TCC  ( 10.56 °C. )
logP (o/w) : 0.35

safety :
most important hazard(s) :Xn - Harmful.
  R 11 - Highly flammable.
R 20 - Harmful by inhalation.
S 02 - Keep out of the reach of children.
S 09 - Keep container in a well-ventilated place.
S 16 - Keep away from sources of ignition - No Smoking.
S 20/21 - When using do not eat, drink or smoke.
S 23 - Do not breath vapour.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
Oral Toxicity(LD50) :
  Oral-Rat    3500.00  mg/kg
(Schaffarzick & Brown, 1952)

Gavage-Rat   [sex: M,F]  3046.00  mg/kg
(Johnson, 1981a)

Gavage-Rat   [sex: M,F]  2733.00  mg/kg
(Johnson, 1981b)

Oral-Rat    >3800.00  mg/kg
(Eastman Kodak Co., 1994c)

Gavage-Rabbit   [sex: M,F]  3560.00  mg/kg
(Munch, 1972)

Dermal Toxicity(LD50) :
  Skin-Guineapig  >10.00  ml/kg
National Technical Information Service. Vol. OTS0556680

Skin-Rabbit  >2000.00  mg/kg
National Technical Information Service. Vol. OTS0572351

Inhalation Toxicity(LC50) :
  Inhalation-Rat  >10000.00  ppm/4H
  National Technical Information Service. Vol. OTS0572351

 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :0.012 (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 tert-butanol usage levels up to :
 not for fragrance use.
 
 
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
IUCLID :view
NIOSH International Chemical Safety Cards :search
NIOSH Pocket Guide :search
NLM Hazardous Substances Data Bank :search
Chemical Carcinogenesis Research Information System :Search
Cancer Citations :Search
Toxicology Citations :Search
Carcinogenic Potency Database :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
WISER :UN 1120
 
WGK Germany :1
 
 
 
 2-methylpropan-2-ol
(EINECS) number :200-889-7
RTECS :75-65-0
chemidplus :000075650
EPA/NOAA CAMEO :hazardous materials
EPA Substance Registry Services :75-65-0

references :
 2-methylpropan-2-ol
fl. number :02.052
NIST Chemistry WebBook :75650
pubchem :149333

Cosmetics :
Cosmetic uses : denaturants
perfuming agents
solvents

other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
Household Products : Search
synonyms :
tert-butyl alcohol
1,1-dimethyl ethanol
2-methyl propan-2-ol
2-methyl-2-propanol
2-methylpropan-2-ol
 trimethyl carbinol
 trimethyl methanol

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

(odor and/or flavor) used in :
 denaturants
 solvents

natural occurrence in :
grape - 0.25 mg/kg
guava fruit - 0.0021 mg/kg
mango - up to 0.1 mg/kg



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