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B4856

Sigma-Aldrich

Diphenylmethanol

99%

Synonym(s):

Benzhydrol, Benzhydryl alcohol, Diphenyl carbinol

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5 G
€24.40
100 G
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500 G
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About This Item

Linear Formula:
(C6H5)2CHOH
CAS Number:
91-01-0
Molecular Weight:
184.23
Beilstein:
1424379
EC Number:
202-033-8
MDL number:
MFCD00004488
UNSPSC Code:
12352100
PubChem Substance ID:
24891706
NACRES:
NA.22

€24.40

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Quality Level

100

Assay

99%

form

powder

bp

297-298 °C (lit.)

mp

65-67 °C (lit.)

SMILES string

OC(c1ccccc1)c2ccccc2

InChI

1S/C13H12O/c14-13(11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,13-14H

InChI key

QILSFLSDHQAZET-UHFFFAOYSA-N

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Application

Diphenylmethanol is used in the carbene-catalyzed dynamic kinetic resolution of α,α-disubstituted carboxylic esters.[1] It can also be used in the chiral resolution of free-base and Ni(II) porphyrinoid complexes.[2]

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBK7011
STBK8614
STBK3150
STBJ8818
STBJ4873

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S569046

DIPHENYLMETHYL ACETATE

Carbene-Catalyzed Dynamic Kinetic Resolution of Carboxylic Esters.
Chen X, et al.
Journal of the American Chemical Society, 138(23), 7212-7215 (2016)
Helimeric porphyrinoids: stereostructure and chiral resolution of meso-tetraarylmorpholinochlorins.
Bru?ckner C, et al.
Journal of the American Chemical Society, 133(22), 8740-8752 (2011)
Alkylation of alcohols for gas chromatographic analysis by a phase transfer catalysis technique. Evaluation of benzhydrol benzylation in a one-phase system.
H Brink et al.
Acta pharmaceutica Suecica, 16(4), 247-262 (1979-01-01)
Kinetics of the hydrolysis of drugs containing the diphenyl-methyl-ether group.
O O Komolafe
Materia medica Polona. Polish journal of medicine and pharmacy, 17(2), 98-102 (1985-04-01)
L A Golovleva et al.
Biology bulletin of the Academy of Sciences of the USSR, 7(2), 143-151 (1980-03-01)
The possibility of complete degradation of DDT by Pseudomonas aeruginosa 640x was demonstrated in principle. A study of the conditions of degradation of DDT by this culture was made. It was demonstrated that only dechlorination of DDT to DDD is
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Questions

1–2 of 2 Questions  

  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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