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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 |
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| export tariff code : | unspecified |
| fda reg : | unspecified |
Suppliers :
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| 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 :
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| appearence : | colorless clear liquid |
| assay : | 95.00 to 100.00 %
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| Food Chemicals Codex Listed : | No |
| specific gravity : | 0.78000 to 0.79000 @ 25.00 °C.
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| pounds per gallon - calc. : | 6.490 to 6.574
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| refractive index : | 1.38400 to 1.39000 @ 20.00 °C.
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| melting point : | 24.00 to 26.00 °C. @ 760.00 mm Hg
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| boiling point : | 82.00 to 83.00 °C. @ 760.00 mm Hg
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| boiling point : | 16.00 to 17.00 °C. @ 30.00 mm Hg
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| vapor pressure : | 40.70000 mm/Hg @ 25.00 °C. |
| vapor density : | 2.5 ( Air = 1 ) |
| flash point : | 51.00 °F. TCC ( 10.56 °C. )
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| logP (o/w) : | 0.35 |
safety :
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| most important hazard(s) : | Xn - Harmful. |
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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.
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| Oral Toxicity(LD50) : |
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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)
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| Dermal Toxicity(LD50) : |
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Skin-Guineapig >10.00 ml/kg National Technical Information Service. Vol. OTS0556680
Skin-Rabbit >2000.00 mg/kg National Technical Information Service. Vol. OTS0572351
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| Inhalation Toxicity(LC50) : |
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Inhalation-Rat >10000.00 ppm/4H National Technical Information Service. Vol. OTS0572351
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safety in use :
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| 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 |
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| recommendation for tert-butanol usage levels up to : |
| | not for fragrance use.
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| 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/kg | maximum usage mg/kg |
| Dairy products, excluding products of category 02.0 (01.0) : | 7.00000 | 35.00000 |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0) : | 5.00000 | 25.00000 |
| Edible ices, including sherbet and sorbet (03.0) : | 10.00000 | 50.00000 |
| Processed fruit (04.1) : | 7.00000 | 35.00000 |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) : | - | - |
| Confectionery (05.0) : | 10.00000 | 50.00000 |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) : | 5.00000 | 25.00000 |
| Bakery wares (07.0) : | 10.00000 | 50.00000 |
| Meat and meat products, including poultry and game (08.0) : | 2.00000 | 10.00000 |
| Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) : | 2.00000 | 10.00000 |
| Eggs and egg products (10.0) : | - | - |
| Sweeteners, including honey (11.0) : | - | - |
| Salts, spices, soups, sauces, salads, protein products, etc. (12.0) : | 5.00000 | 25.00000 |
| Foodstuffs intended for particular nutritional uses (13.0) : | 10.00000 | 50.00000 |
| Non-alcoholic ("soft") beverages, excl. dairy products (14.1) : | 5.00000 | 25.00000 |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) : | 10.00000 | 50.00000 |
| Ready-to-eat savouries (15.0) : | 20.00000 | 100.00000 |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) : | 5.00000 | 25.00000 |
safety references :
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| 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 |
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| WGK Germany : | 1 |
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| | 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 :
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| Cosmetic uses : |
denaturants
perfuming agents
solvents
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other :
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| CosIng : | cosmetic data |
| VCF-Online: | VCF Volatile Compounds in Food |
| Household Products : | Search |