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19460

Sigma-Aldrich

terc-Butanol

puriss. p.a., ACS reagent, ≥99.7% (GC)

Sinónimos:

2-Metil-2-propanol, Alcohol terc-butilo, Trimetil carbinol

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500 ML
$99.60
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$153.00
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$245.00

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500 ML
$99.60
1 L
$153.00
2.5 L
$245.00

About This Item

Fórmula lineal:
(CH3)3COH
Número de CAS:
75-65-0
Peso molecular:
74.12
Beilstein:
906698
Número CE:
200-889-7
Número MDL:
MFCD00004464
Código UNSPSC:
12191601
ID de la sustancia en PubChem:
329751880
NACRES:
NA.21
bp:
83 °C (lit.)

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grado

ACS reagent
puriss. p.a.

Nivel de calidad

200

densidad de vapor

2.5 (vs air)

presión de vapor

31 mmHg ( 20 °C)
44 mmHg ( 26 °C)

Ensayo

≥99.7% (GC)

Formulario

solid or liquid

temp. de autoignición

896 °F

lim. expl.

8 %

técnicas

GC/GC: suitable

impurezas

≤0.1% water
<0.01% carbonyl compounds (as HCHO)

residuo de evap.

≤0.001%

índice de refracción

n20/D 1.387 (lit.)
n20/D 1.387

pH

7 (20 °C)

bp

83 °C (lit.)

mp

23-26 °C (lit.)

densidad

0.775 g/mL at 25 °C (lit.)

trazas de catión

Al: ≤0.5 mg/kg
B: ≤0.02 mg/kg
Ba: ≤0.1 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
K: ≤0.5 mg/kg
Li: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Mo: ≤0.1 mg/kg
Na: ≤0.5 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

cadena SMILES

CC(C)(C)O

InChI

1S/C4H10O/c1-4(2,3)5/h5H,1-3H3

Clave InChI

DKGAVHZHDRPRBM-UHFFFAOYSA-N

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Descripción general

tert-Butanol is a tertiary alcohol. Aqueous potassium peroxodisulphate undergoes photolysis in the presence of tert-butanol on irradiation with 254nm light at 20°C.[1] It participates in the 12-tungstophosphoric acid supported on zirconia (TPA/ZrO2) catalyzed butylation of p-cresol.[2]

Aplicación

tert-Butanol may be employed for the preparation of carbohydrate fatty acid esters.[3] It may be employed as reaction medium during the production of fatty acid methyl ester (FAME) from waste cooking palm oil (WCPO) by lipase-catalyzed reaction.[4]
tert-Butanol may be used in the following processes:
  • As a solvent for the lipase-mediated alcoholysis of soybean oil deodorizer distillate (SODD) to generate biodiesel.[5]
  • As an hydroxyl (OH) radical scavenger in oxygenated aqueous solutions.[6]
  • As both reactant and solvent for the etherification of glycerol over solid acid catalysts to produce glycerol mono-buthoxy ethers (GMBEs) and glycerol di-buthoxy ethers (GDBEs).[7]
  • As an alkylating agent for p-cresol in the presence of a heteropoly acid to form 2-tert-butyl-p-cresol and 2,6-di-tert-butyl-p-cresol as the main products.[2]

Pictogramas

FlameExclamation mark
GHS02,GHS07

Palabra de señalización

Danger

Frases de peligro

H225,H319,H332,H335,H336

Clasificaciones de peligro

Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Órganos de actuación

Central nervous system, Respiratory system

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

59.0 °F - closed cup

Punto de inflamabilidad (°C)

15 °C - closed cup

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Certificados de análisis (COA)

Lot/Batch Number
BCCL3246
BCCM3216
BCCK3790
BCCK9175
BCCK6021

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Visite la Librería de documentos

Single-and double-strand break formation in DNA irradiated in aqueous solution: dependence on dose and OH radical scavenger concentration.
Siddiqi MA and E. Bothe.
Radiation Research, 112(3), 449-463 (1987)
Catalytic etherification of glycerol by tert-butyl alcohol to produce oxygenated additives for diesel fuel.
Frusteri F, et al.
Applied Catalysis A: General, 367(1), 77-83 (2009)
Catalytic studies of lipase on FAME production from waste cooking palm oil in a tert-butanol system.
Halim SFA and Kamaruddin AH.
Process. Biochem., 43(12), 1436-1439 (2008)
The photolysis of potassium peroxodisulphate in aqueous solution in the presence of tert-butanol: a simple actinometer for 254nm radiation.
Mark G, et al.
Journal of Photochemistry and Photobiology A: Chemistry, 55(2), 157-160 (1990)
Tert-butanol dehydration to isobutylene via reactive distillation.
Knifton JF, et al.
Catalysis Letters, 73(1), 55-57 (2001)
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Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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