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296309

Sigma-Aldrich

1,4 Dioxano

anhydrous, 99.8%, contains <=25 ppm BHT as stabilizer

Sinónimos:

Dioxano, Óxido de dietileno

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About This Item

Fórmula empírica (notación de Hill):
C4H8O2
Número de CAS:
123-91-1
Peso molecular:
88.11
Beilstein/REAXYS Number:
102551
EC Number:
204-661-8
MDL number:
MFCD00006571
UNSPSC Code:
12352005
PubChem Substance ID:
57648388
NACRES:
NA.21

grade

anhydrous

Quality Level

200

vapor density

3 (vs air)

vapor pressure

27 mmHg ( 20 °C)
40 mmHg ( 25 °C)

assay

99.8%

form

liquid

autoignition temp.

356 °F

expl. lim.

22 %

impurities

<0.003% water
<0.005% water (100 mL pkg)

evapn. residue

≤0.005%

refractive index

n20/D 1.422 (lit.)

pH

6.0-8 (20 °C, 500 g/L)

bp

100-102 °C (lit.)

mp

10-12 °C (lit.)

density

1.034 g/mL at 25 °C (lit.)

SMILES string

C1COCCO1

InChI

1S/C4H8O2/c1-2-6-4-3-5-1/h1-4H2

InChI key

RYHBNJHYFVUHQT-UHFFFAOYSA-N

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Application

1,4-Dioxane may undergo nickel-catalyzed oxidative arylation with arylboronic acids to form α-arylated ethers.
It may be used as a solvent to synthesize:
  • (Chloromethyl)dimethylphenylsilane from chloro(chloromethyl)dimethylsilane via zinc-catalyzed substitution reaction with phenylmagnesium bromide.
  • N-(2,2,2-trifluoro-1-hydroxyethyl)-acetamide from 2,2,2-trifluoro-1-methoxyethanol and acetamide.

Packaging

View returnable container options.

Other Notes

The article number 296309-4X2L will be discontinued. Please order the single bottle 296309-2L which is physically identical with the same exact specifications.

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signalword

Danger

Hazard Classifications

Carc. 1B - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

target_organs

Respiratory system

supp_hazards

EUH019,EUH066

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

51.8 °F - closed cup

flash_point_c

11 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Choose from one of the most recent versions:

Certificados de análisis (COA)

Lot/Batch Number
SHBS1217
SHBR9410
SHBR4317
SHBR7674
SHBR5113

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If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

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Powell JR, et al.
Journal of Chemical and Engineering Data, 40(5), 1124-1126 (1995)
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Murakami K, et al.
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A xanthate-transfer approach to ?-trifluoromethylamines
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