Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: tri-o-Tolyl phosphite
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2622-08-4

2622-08-4 structure

Name: tri-o-Tolyl phosphite
Chemical Name: tris(2-methylphenyl) phosphite
CAS Number: 2622-08-4
Molecular Formula: C₂₁H₂₁O₃P
Molecular Weight: 352.36300
Catalog: Organic raw materials Inorganic acid ester
Create Date: 2018-06-16 18:10:35
Modify Date: 2025-08-20 18:41:25

Name	tris(2-methylphenyl) phosphite
Synonyms	Tri-o-cresyl Phosphite Tri-o-tolyl phosphite Phosphorous Acid Tri-o-cresyl Ester MFCD00014911 Tris(2-methylphenyl) Phosphite TRI-2-TOLYLPHOSPHITE EINECS 220-068-7 Phosphorous Acid Tri-o-tolyl Ester Phosphorous Acid Tris(2-methylphenyl) Ester

Boiling Point	200-202°C/2.4-2.6mm
Molecular Formula	C₂₁H₂₁O₃P
Molecular Weight	352.36300
Flash Point	200-202°C/2.4-2.6mm
Exact Mass	352.12300
PSA	41.28000
LogP	6.37550
Vapour Pressure	6.01E-14mmHg at 25°C
Storage condition	Refrigerator

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TH1050000

CHEMICAL NAME :: Phosphorous acid, tri-o-cresyl ester

CAS REGISTRY NUMBER :: 2622-08-4

LAST UPDATED :: 199409

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C21-H21-O6-P

MOLECULAR WEIGHT :: 400.39

WISWESSER LINE NOTATION :: QR B1OPO1R BQ&O1R BQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 10 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 :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 1 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 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 900 mg/kg/90D-I

TOXIC EFFECTS :: Spinal Cord - other degenerative changes Behavioral - ataxia Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 53,150,1980

Hazard Codes	Xi
Risk Phrases	36/37/38
Safety Phrases	26-36
RTECS	TH1050000
HS Code	2920901900

95-48-7

~92%

2622-08-4

Literature: Pandey, Rajesh K.; Wakharkar; Kumar, Pradeep Synthetic Communications, 2005 , vol. 35, # 21 p. 2795 - 2800

95-48-7

~14%

2622-08-4

22277-50-5

31860-10-3

Literature: Ritter, Joachim C. Patent: US2004/106815 A1, 2004 ; Location in patent: Page 12-13 ;

95-48-7

4549-72-8

~75%

2622-08-4

Literature: Ivanov, B. E.; Badeeva, E. K.; Krokhina, S. S. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1988 , vol. 37, # 11 p. 2371 - 2373 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1988 , # 11 p. 2632 - 2634

95-48-7

~38%

2622-08-4

78-30-8

Literature: Budnikova, Yu. G.; Kargin, Yu. M.; Zaripov, I. M.; Romakhin, A. S.; Ignat'ev, Yu. A.; et al. Bull. Russ. Acad. Sci. Div. Chem. Sci. (Engl. Transl.), 1992 , vol. 41, # 9.1 p. 2039 - 2043,1585 - 1588

84521-37-9

107-13-1

31666-48-5

2622-08-4

Detail

Literature: Tolman, Chadwick A. Organometallics, 1983 , vol. 2, p. 614 - 621

95-48-7

7719-12-2

2622-08-4

Literature: Strecker; Grossmann Chemische Berichte, 1916 , vol. 49, p. 75 Full Text Show Details Raschig Patent: DE233631 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 10, p. 164

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

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