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Merck

67334

Diphenyl ether

Selectophore™, ≥99.9%

Synonym(s):

Diphenyl oxide, Phenyl ether

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About This Item

Linear Formula:
(C6H5)2O
CAS Number:
101-84-8
Molecular Weight:
170.21
UNSPSC Code:
26111700
NACRES:
NB.61
PubChem Substance ID:
329760547
EC Number:
202-981-2
Beilstein/REAXYS Number:
1364620
MDL number:
MFCD00003034
Assay:
≥99.9% (GC), ≥99.9%
Form:
solid

Key Documents

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vapor density

>5.86 (25 °C, vs air)

Quality Level

200

vapor pressure

<1 mmHg ( 20 °C)

description

for ion-selective electrodes

product line

Selectophore™

assay

≥99.9% (GC), ≥99.9%

form

solid

autoignition temp.

1144 °F

expl. lim.

1.5 %

refractive index

n20/D 1.579 (lit.)

bp

259 °C (lit.)

mp

25-27 °C (lit.), 27-29 °C

density

1.073 g/mL at 25 °C (lit.)

SMILES string

O(c1ccccc1)c2ccccc2

InChI

1S/C12H10O/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10H

InChI key

USIUVYZYUHIAEV-UHFFFAOYSA-N

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General description

Diphenyl ether (diphenyl oxide) belongs to the family of aromatic homomonocyclic compounds. It is colorless, exists as crystalline solid or liquid (above 82°F) and has a geranium-like odor. Diphenyl ether is present in alcoholic beverages. It is used as a flavouring ingredient and is found in vanilla, green tea, muscat grapes, potato chips, grilled beef, buckwheat, and lemon balm. It is a starting material in the production of phenoxathiin via the Ferrario reaction.. In similar reactions, diphenyl ether is a significant side product in the high-pressure hydrolysis of chlorobenzene during production of phenol. Also several polybrominated diphenyl ethers (PBDEs) are useful flame retardants.
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Application

Used as plasticizing solvent mediator for PVC-based membranes.

Legal Information

Selectophore is a trademark of Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 2 - Eye Irrit. 2 - Repr. 1B

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 2

flash_point_f

239.0 °F - closed cup

flash_point_c

115 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Class II Designated Chemical Substances

prtr

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

67334-5ML:4.548173926308E12 + 67334-25ML:4.548173926292E12

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Certificates of Analysis (COA)

Lot/Batch Number
BCCK6749
BCCJ3686
BCCC6197
BCCB1954
BCCB7624

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Chandra, S., Lang, H.
Sensors and Actuators B, Chemical, 114, 849-854 (2006)
Julie B Herbstman et al.
Environmental health perspectives, 115(12), 1794-1800 (2007-12-19)
Recent studies have reported blood levels of polybrominated diphenyl ethers (PBDEs) in the U.S. population. Information about neonatal levels and about the relationship to polychlorinated biphenyls (PCBs) exposures is limited. The objective was to characterize levels and determinants of fetal
Hua Xu et al.
Biochemistry, 47(14), 4228-4236 (2008-03-14)
Approximately one-third of the world's population carries Staphylococcus aureus. The recent emergence of extreme drug resistant strains that are resistant to the "antibiotic of last resort", vancomycin, has caused a further increase in the pressing need to discover new drugs
Manfred Pöhlein et al.
Journal of chromatography. A, 1203(2), 217-228 (2008-08-09)
Two versatile and fast methods to identify and quantify brominated flame retardants (BrFRs) in styrenic polymers were developed. Gas chromatography/mass spectrometry (GC/MS) as well as gas chromatography with electron-capture detection (GC/ECD), both following ultrasonic-supported dissolution and precipitation (USDP), were applied.
Claudia Moeckel et al.
Environmental science & technology, 42(9), 3219-3225 (2008-06-05)
Short-term variability of concentrations of polybrominated diphenyl ethers (PBDEs) and chlordanes in air at a semirural site in England over a 5 day period is reported. Four-hour air samples were collected during a period dominated by a high pressure system
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