CAS 78-30-8|Tris(2-methylphenyl) phosphate

Introduction：Basic information about CAS 78-30-8|Tris(2-methylphenyl) phosphate, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
MUTATION DATA
4. Safety Information
5. Synonyms

Common Name	Tris(2-methylphenyl) phosphate
CAS Number	78-30-8	Molecular Weight	368.363
Density	1.2±0.1 g/cm3	Boiling Point	410.4±14.0 °C at 760 mmHg
Molecular Formula	C₂₁H₂₁O₄P	Melting Point	-25 °C
MSDS	USA	Flash Point	215.5±40.4 °C
Symbol	GHS07, GHS08, GHS09	Signal Word	Danger

Names

Name	Tri-o-tolyl phosphate
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.2±0.1 g/cm3
Boiling Point	410.4±14.0 °C at 760 mmHg
Melting Point	-25 °C
Molecular Formula	C₂₁H₂₁O₄P
Molecular Weight	368.363
Flash Point	215.5±40.4 °C
Exact Mass	368.117737
PSA	54.57000
LogP	5.48
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.581
InChIKey	YSMRWXYRXBRSND-UHFFFAOYSA-N
SMILES	Cc1ccccc1OP(=O)(Oc1ccccc1C)Oc1ccccc1C

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TD0350000

CHEMICAL NAME :: Phosphoric acid, tri-o-tolyl ester

CAS REGISTRY NUMBER :: 78-30-8

BEILSTEIN REFERENCE NO. :: 1892885

LAST UPDATED :: 199712

DATA ITEMS CITED :: 65

MOLECULAR FORMULA :: C21-H21-O4-P

MOLECULAR WEIGHT :: 368.39

WISWESSER LINE NOTATION :: 1R BOPO&OR B1&OR B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1160 mg/kg

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

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2500 mg/kg

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 900 mg/kg

TOXIC EFFECTS :: Gastrointestinal - hypermotility, diarrhea Skin and Appendages - hair Behavioral - muscle weakness

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1960 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 12500 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - cyanosis

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Behavioral - muscle weakness Gastrointestinal - hypermotility, diarrhea Kidney, Ureter, Bladder - interstitial nephritis

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Primate - monkey

DOSE/DURATION :: 1 gm/kg

TOXIC EFFECTS :: Autonomic Nervous System - other (direct) parasympathomimetic Behavioral - food intake (animal) Lungs, Thorax, or Respiration - dyspnea

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 1500 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - miosis (pupillary constriction) Behavioral - muscle weakness Gastrointestinal - hypermotility, diarrhea

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 185 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - ataxia Lungs, Thorax, or Respiration - other changes

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Behavioral - muscle weakness Gastrointestinal - hypermotility, diarrhea Kidney, Ureter, Bladder - interstitial nephritis

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >3700 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - tremor Lungs, Thorax, or Respiration - other changes

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Kidney, Ureter, Bladder - other changes in urine composition

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Kidney, Ureter, Bladder - other changes in urine composition

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 135 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 300 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Kidney, Ureter, Bladder - urine volume decreased Musculoskeletal - other changes

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 500 mg/kg

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

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 500 mg/kg

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 400 mg/kg

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 18900 mg/kg/9W-C

TOXIC EFFECTS :: Liver - changes in liver weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Blood - changes in erythrocyte (RBC) count

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1500 mg/kg/3D-I

TOXIC EFFECTS :: Peripheral Nerve and Sensation - structural change in nerve or sheath Autonomic Nervous System - other (direct) parasympathomimetic

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2800 mg/kg/7D-I

TOXIC EFFECTS :: Brain and Coverings - other degenerative changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other esterases

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4725 mg/kg/21D-I

TOXIC EFFECTS :: Liver - changes in liver weight Nutritional and Gross Metabolic - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 60750 mg/kg/39W-I

TOXIC EFFECTS :: Spinal Cord - other degenerative changes Autonomic Nervous System - other (direct) parasympathomimetic Behavioral - ataxia

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Mammal - cat

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

TOXIC EFFECTS :: Behavioral - ataxia Related to Chronic Data - death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 1800 mg/kg/18D-I

TOXIC EFFECTS :: Brain and Coverings - other degenerative changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - multiple enzyme effects Related to Chronic Data - changes in testicular weight

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - duck

DOSE/DURATION :: 3 gm/kg/30D-I

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - ataxia

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - domestic

DOSE/DURATION :: 900 mg/kg/26W-I

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1500 mg/kg

SEX/DURATION :: male 10 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 2100 mg/kg

SEX/DURATION :: female 14 day(s) after conception

TOXIC EFFECTS :: Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 450 mg/kg

SEX/DURATION :: male 3 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - other effects on male

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 3150 mg/kg

SEX/DURATION :: male 21 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - testes, epididymis, sperm duct

MUTATION DATA

TEST SYSTEM :: Rodent - rat

REFERENCE :: CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 14,2039,1993 *** REVIEWS *** ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 0.1 mg/m3 (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 TOXICOLOGY REVIEW CRTXB2 CRC Critical Reviews in Toxicology. (CRC Press, Inc., 2000 Corporate Blvd., NW, Boca Raton, FL 33431) V.1- 1971- Volume(issue)/page/year: 3,289,1975 TOXICOLOGY REVIEW IRXPAT International Review of Experimental Pathology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1962- Volume(issue)/page/year: 3,219,1964 TOXICOLOGY REVIEW CRTXB2 CRC Critical Reviews in Toxicology. (CRC Press, Inc., 2000 Corporate Blvd., NW, Boca Raton, FL 33431) V.1- 1971- Volume(issue)/page/year: 2,365,1973 TOXICOLOGY REVIEW CMTVAS Cahiers de Medecine du Travail. (Association Professionnelle Belge des Medecine du Travail, rue du Bultia, 6280 Gerpinnes, Belgium) V.1- 1963- Volume(issue)/page/year: 10(3),49,1973 TOXICOLOGY REVIEW ARENAA Annual Review of Entomology. (Annual Reviews, Inc., POB 10139, Palo Alto, CA 94303) V.1- 1956- Volume(issue)/page/year: 26,29,1981 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.1 mg/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,271,1971 OSHA PEL (Gen Indu):8H TWA 0.1 mg/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.1 mg/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 0.1 mg/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.1 mg/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.1 mg/m3;Skin JAN 1993 OEL-BELGIUM:TWA 0.1 mg/m3;Skin JAN 1993 OEL-DENMARK:TWA 0.1 mg/m3 JAN 1993 OEL-FINLAND:TWA 0.1 mg/m3;STEL 0.3 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 0.1 mg/m3;Skin JAN 1993 OEL-HUNGARY:TWA 0.1 mg/m3;STEL 0.2 mg/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 0.1 mg/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.1 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 mg/m3;STEL 0.3 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO TRIORTHOCRESYL PHOSPHATE-air:10H TWA 0.1 mg/m3 (Sk) REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 74600 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 14 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 74600 No. of Facilities: 20 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 20 (estimated) No. of Female Employees: 20 (estimated)

Safety Information

Symbol	GHS07, GHS08, GHS09
Signal Word	Danger
Hazard Statements	H302-H370-H411
Precautionary Statements	P260-P273-P301 + P312 + P330-P308 + P311-P391-P501
Hazard Codes	N-T,N,T
Risk Phrases	R51/53
Safety Phrases	S61-S45-S28A-S20/21-S28
RIDADR	3082
RTECS	TD0350000
Packaging Group	II
Hazard Class	6.1(a)

Synonyms

TOTP

Tris(o-tolyl) phosphate

MFCD00041906

Tri-O-tolyl ester phosphoric acid

tris(2-methylphenyl) phosphate

Triorthocresyl phosphate

TRICRESYL PHOSPHATE

TRI-O-CRESYL PHOSPHATE

Tri-o-tolyl phosphate

Tritolyl phosphate

EINECS 201-103-5

Phosphoric acid, tris(2-methylphenyl) ester

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