Di-p-tolylacetic acid

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Names

[ CAS No. ]:
20809-78-3

[ Name ]:
Di-p-tolylacetic acid

[Synonym ]:
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

Chemical & Physical Properties

[ 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

Toxicological Information

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

Safety Information

[ HS Code ]:
2916399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • (α-Jod-4-chlor-benzyl)-phenyl-sulfon
  • bis(4-methylphenyl)-acetaldehyde
  • Toluene
  • 4,4'-dimethyl-benzilic acid anilide
  • Butyl glyoxylate
  • P-Tolyacetonitrile
  • 4,4'-dimethylbenzil

DownStream

  • methyl 2,2-bis(4-methylphenyl)acetate

Customs

[ 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%

Related Compounds

  • methyl 4'-methylbenzoylformate
  • 2-(4-methyl-3-nitrophenyl)acetic acid
  • 4-methylbenzoylformic acid
  • (3-Fluoro-4-Methylphenyl)Acetic Acid
  • (4-PYRROL-1-YL-PHENYL)-ACETIC ACID
  • di-p-tolylglycolic acid cyclohexylidenehydrazide
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