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Diphenylacetaldehyde

Diphenylacetaldehyde structure

CAS No.: 947-91-1

Chemical Name:: Diphenylacetaldehyde

Synonyms: 2,2-Diphenylacetaldehyde;diphenylketen;Diphenylethanal;diphenyl-acetaldehyd;Biphenylacetaldehyde;Diphenylacetaldehyde;2,2-di(phenyl)ethanal;Acetaldehyde, diphenyl-;Diphenylacetaldehyde>Diphenylacetaldehyde,97%

CBNumber:: CB4761576

Molecular Formula:: C14H12O

Molecular Weight:: 196.25

MDL Number:: MFCD00006972

MOL File:: 947-91-1.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:52:57

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Diphenylacetaldehyde Properties

Melting point	50 °C
Boiling point	315 °C (lit.)
Density	1.106 g/mL at 25 °C (lit.)
refractive index	n20/D 1.589(lit.)
Flash point	>230 °F
storage temp.	Inert atmosphere,Store in freezer, under -20°C
form	Liquid
color	Colorless to yellow
BRN	1424292
InChI	1S/C14H12O/c15-11-14(12-7-3-1-4-8-12)13-9-5-2-6-10-13/h1-11,14H
InChIKey	HLLGFGBLKOIZOM-UHFFFAOYSA-N
SMILES	O=CC(c1ccccc1)c2ccccc2
CAS DataBase Reference	947-91-1(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	GMF2B8R7DD
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P271-P261-P280

PPE

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

Hazard Codes

Safety Statements

23-24/25

WGK Germany

RTECS

AB2827500

HS Code

29122990

Storage Class

10 - Combustible liquids

NFPA 704

	1
0		0

Diphenylacetaldehyde price More Price(47)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	D204250	Diphenylacetaldehyde 97%	947-91-1	5g	$168	2026-04-30	Buy
Sigma-Aldrich	D204250	Diphenylacetaldehyde 97%	947-91-1	25g	$267	2026-04-30	Buy
TCI Chemical	D2492	Diphenylacetaldehyde >95.0%(GC)	947-91-1	5g	$159	2026-04-30	Buy
TCI Chemical	D2492	Diphenylacetaldehyde >95.0%(GC)	947-91-1	25g	$633	2026-04-30	Buy
TRC	TRC-D486970-250MG	Diphenylacetaldehyde	947-91-1	250mg	$192	2026-06-03	Buy

Product number	Packaging	Price	Buy
D204250	5g	$168	Buy
D204250	25g	$267	Buy
D2492	5g	$159	Buy
D2492	25g	$633	Buy
TRC-D486970-250MG	250mg	$192	Buy

Diphenylacetaldehyde Chemical Properties, Uses, Production

Chemical Properties

Clear colorless to pale yellow liquid

Uses

Diphenylacetaldehyde is used in the synthesis of vinylindoles via condensation reaction. It is also used in the process of the olefination of aldehydes with ethanol diazoacetate.

Synthesis Reference(s)

Chemical and Pharmaceutical Bulletin, 42, p. 1041, 1994 DOI: 10.1248/cpb.42.1041

Diphenylacetaldehyde Preparation Products And Raw materials

Raw materials

Diphenylacetonitrile Chromium(VI) oxide Tetrahydrofuran Ethyl acetate Lithium Aluminum Hydride

Petroleum ether

1of2

Preparation Products

2,2-Diphenylacetic acid Benzophenone

Diphenylacetaldehyde Suppliers

Global Suppliers ( 126)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
future industrial shanghai co., ltd	400-0066400 13621662912	sales@jonln.com	China	1989	65
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Jia Xing Isenchem Co.,Ltd	0573-85285100 18627885956	isenchem@163.com	China	9389	66
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18722	57
Syntechem Co.,Ltd		info@syntechem.com	China	12973	57
RYSS TECH LTD	400-188-0725 +86 21 34310725 13611771617		China	1999	57
Tianjin heowns Biochemical Technology Co., Ltd.	400 638 7771	sales@heowns.com	China	14412	57

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
future industrial shanghai co., ltd	65
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Jia Xing Isenchem Co.,Ltd	66
Shanghai Hanhong Scientific Co.,Ltd.	64
Shandong Xiya Chemical Co., Ltd	57
Syntechem Co.,Ltd	57
RYSS TECH LTD	57
Tianjin heowns Biochemical Technology Co., Ltd.	57

View Latest Price from Diphenylacetaldehyde manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-02-02	Diphenylacetaldehyde 947-91-1		10mg	99%HPLC	2000tons	Shaanxi Dideu Medichem Co. Ltd
	2019-07-06	DIPHENYLACETALDEHYDE 947-91-1	$1.00	1KG	99%		Career Henan Chemical Co

Diphenylacetaldehyde
947-91-1
99%HPLC
Shaanxi Dideu Medichem Co. Ltd

DIPHENYLACETALDEHYDE
947-91-1
$1.00
99%
Career Henan Chemical Co

Diphenylacetaldehyde Spectrum

DIPHENYLACETALDEHYDE(947-91-1)MS DIPHENYLACETALDEHYDE(947-91-1)¹HNMR DIPHENYLACETALDEHYDE(947-91-1)IR1 DIPHENYLACETALDEHYDE(947-91-1)Raman

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