Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Di-p-tolylacetic acid
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Purity: 98.0%
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20809-78-3

20809-78-3 structure

20809-78-3 structure

Name: Di-p-tolylacetic acid
Chemical Name: 2,2-bis(4-methylphenyl)acetic acid
CAS Number: 20809-78-3
Molecular Formula: C₁₆H₁₆O₂
Molecular Weight: 240.29700
Create Date: 2016-07-19 21:06:17
Modify Date: 2024-01-02 13:22:23

Name	2,2-bis(4-methylphenyl)acetic acid
Synonyms	Acetic acid,di-p-tolyl ACETIC ACID,BIS(p-TOLYL) Di-p-tolyl-essigsaeure Bis(p-tolyl)-acetic acid di(4-methylphenyl)-acetic acid Di-p-tolylacetic acid 2,2-Bis(p-tolyl) acetic acid

Density	1.126g/cm3
Boiling Point	332.1ºC at 760 mmHg
Molecular Formula	C₁₆H₁₆O₂
Molecular Weight	240.29700
Flash Point	168.8ºC
Exact Mass	240.11500
PSA	37.30000
LogP	3.51990
Vapour Pressure	5.96E-05mmHg at 25°C
Index of Refraction	1.584

CHEMICAL IDENTIFICATION

RTECS NUMBER :: AF5860000

CHEMICAL NAME :: Acetic acid, bis(p-tolyl)-

CAS REGISTRY NUMBER :: 20809-78-3

BEILSTEIN REFERENCE NO. :: 2051315

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C16-H16-O2

MOLECULAR WEIGHT :: 240.32

WISWESSER LINE NOTATION :: 1R DYVQR D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1200 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 73,128,1946

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 180 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04536

HS Code	2916399090

Precursor 7
411239-48-0 4528-66-9 108-88-3 35462-25-0
6295-06-3 2947-61-7 3457-48-5
DownStream 1
5359-40-0

HS Code	2916399090
Summary	2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%