Phosphorous acid,tris(4-methylphenyl) ester

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Names

[ CAS No. ]:
620-42-8

[ Name ]:
Phosphorous acid,tris(4-methylphenyl) ester

[Synonym ]:
EINECS 210-639-9
MFCD00041909
Tri-p-tolyl phosphite,tech.
tri-p-tolyl phosphite
PHOSPHOROUS ACID TRI-P-TOLYL ESTER
TRI-P-CRESYL PHOSPHITE

Chemical & Physical Properties

[ Density]:
1.11

[ Boiling Point ]:
238ºC (7 mmHg)

[ Melting Point ]:
52°C

[ Molecular Formula ]:
C21H21O3P

[ Molecular Weight ]:
352.36300

[ Flash Point ]:
93ºC

[ Exact Mass ]:
352.12300

[ PSA ]:
41.28000

[ LogP ]:
6.37550

[ Appearance of Characters ]:
solid

[ Index of Refraction ]:
1.5724-1.5744

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TH1100000
CHEMICAL NAME :
Phosphorous acid, tri-p-cresyl ester
CAS REGISTRY NUMBER :
620-42-8
BEILSTEIN REFERENCE NO. :
0620298
LAST UPDATED :
199709
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C21-H21-O3-P
MOLECULAR WEIGHT :
352.39
WISWESSER LINE NOTATION :
QR D1OPO1R DQ&O1R DQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3 gm/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - tremor Behavioral - muscle weakness
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 49,78,1933
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Behavioral - ataxia
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 49,78,1933

Safety Information

[ Hazard Codes ]:
C

[ Risk Phrases ]:
34

[ Safety Phrases ]:
S25;S45;S36/S37/S39

[ RTECS ]:
TH1100000

[ HS Code ]:
2920901900

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • p-Cresol
  • sodium p-cresolate
  • Phosphorus trichloride

DownStream

  • Tris(4-methylphenyl) phosphate
  • tris(4-methylphenoxy)-sulfanylidene-λ5-phosphane
  • benzenecarbothioyl isocyanate
  • 4-Chlorotoluene
  • bis(4-methylphenoxy)-oxophosphanium
  • (4-methylphenyl) phosphate
  • Phosphorsaeure-p-tolylester Cyclohexylammonium salz

Customs

[ HS Code ]: 2920901900

[ Summary ]:
2920901900 VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Related Compounds

  • Phosphorous acid tris[2-[2-hydroxy-3-(1,1-dimethylethyl)-5-methylbenzyl]-6-(1,1-dimethylethyl)-4-methylphenyl] ester
  • Phosphorous acid, tris(4-chlorophenyl) ester
  • Phosphorous acid tris(m-methylphenyl) ester
  • Phosphorous acid tris[4-(α-methylbenzyl)phenyl] ester
  • 2-Heptenoic acid 4-methylphenyl ester
  • 2-Hexenoic acid 4-methylphenyl ester
  • (3-Triethoxysilylpropyl)[3-(2-pyridyl)-1-pyrazolyl]acetamide
  • 1-[3-Benzyl-1-(3H-imidazol-4-ylmethyl)-1,2,3,5-tetrahydro-benzo[e][1,4]diazepin-4-yl]-ethanone
  • 5-(tert-Butyl)-2-methylbenzonitrile
  • 9-Amino-3-carboline
  • 3-Amino-4-methyl-2(3H)-benzoxazolone
  • Benzyl (4-(3-(2,3-dihydroxypropoxy)phenyl)butyl)carbamate
  • 1-(1H-indol-3-yl)-3-(pyridin-2-yl)urea
  • 2-Amino-1-methyl-2-oxoethyl 2-(2-chlorophenyl)-4-quinolinecarboxylate
  • Phenyl N-{4-[(6,7-Dimethoxy-4-quinolyl)oxy]phenyl}carbamate
  • 8-Benzyl-2-methyl-4-phenyl-2,8-diazaspiro[4.5]decan-3-one
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