Triphenylphosphine

Modify Date: 2025-08-22 19:08:31

Triphenylphosphine Structure
Triphenylphosphine structure
 Common Name Triphenylphosphine
CAS Number 603-35-0 Molecular Weight 262.285
Density 1.132 Boiling Point 360.0±11.0 °C at 760 mmHg
Molecular Formula C18H15P Melting Point 79-81 °C(lit.)
MSDS Chinese USA Flash Point 181.7±0.0 °C
Symbol GHS07 GHS08
GHS07, GHS08		 Signal Word Warning

 Names

Name Triphenylphosphine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.132
Boiling Point 360.0±11.0 °C at 760 mmHg
Melting Point 79-81 °C(lit.)
Molecular Formula C18H15P
Molecular Weight 262.285
Flash Point 181.7±0.0 °C
Exact Mass 262.091125
PSA 13.59000
LogP 5.69
Vapour density 9 (vs air)
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.5918 (20ºC)
Stability Stable. Incompatible with oxidizing agents, acids.
Water Solubility Insoluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SZ3500000
CHEMICAL NAME :
Phosphine, triphenyl-
CAS REGISTRY NUMBER :
603-35-0
BEILSTEIN REFERENCE NO. :
0610776
LAST UPDATED :
199710
DATA ITEMS CITED :
18
MOLECULAR FORMULA :
C18-H15-P
MOLECULAR WEIGHT :
262.30
WISWESSER LINE NOTATION :
RPR&R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1114,1986
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1114,1986 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
700 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0384-0014
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1135 ppm/4H
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - dyspnea Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
AIHAM* Annual Meeting of American Industrial Hygiene Association. (Akron, OH) For publisher information, see AIHAAP. Volume(issue)/page/year: -,-,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1500 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0384-0014
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0384-0014
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3 gm/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0384-0014
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
>500 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570648
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 28,313,1974
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
9 gm/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0384-0014 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
950 mg/kg/14D-I
TOXIC EFFECTS :
Spinal Cord - other degenerative changes Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570648
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
525 mg/kg/21D-I
TOXIC EFFECTS :
Spinal Cord - demyelination Behavioral - somnolence (general depressed activity) Behavioral - ataxia
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570648
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
94500 ug/m3/6H/4W-I
TOXIC EFFECTS :
Behavioral - changes in motor activity (specific assay)
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570648 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4096 No. of Facilities: 268 (estimated) No. of Industries: 13 No. of Occupations: 18 No. of Employees: 14258 (estimated) No. of Female Employees: 1373 (estimated)

 Safety Information

Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Warning
Hazard Statements H302-H317-H373
Precautionary Statements P280
Target Organs Nervous system
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn:Harmful
Risk Phrases R22;R43;R53
Safety Phrases S36/37-S60-S61-S36/37/39-S26
RIDADR 3077
WGK Germany 2
RTECS SZ3500000
Hazard Class 6.1
HS Code 2919900090

 Synthetic Route

 Customs

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

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 Synonyms

PP-360
Triphenyphosphine
EINECS 210-036-0
tetrakistriphenylphosphine
Trihenylphosphine
triphenyl-phosphin
Triphenylphosphine
4-16-00-00951 (Beilstein Handbook Reference)
PPh3
Triphenyl phosphine
Triphenyl
bistriphenylphosphine
Ph3P
MFCD00003043
diphenylenephenylphosphine
Trifenylfosfin
Triphenylphosphide
triphenylphosphane
Phosphine, triphenyl-
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