Phosphorus trichloride

Modify Date: 2024-01-02 10:39:10

Phosphorus trichloride Structure
Phosphorus trichloride structure
Common Name Phosphorus trichloride
CAS Number 7719-12-2 Molecular Weight 137.333
Density 1.574 g/mL at 25 °C Boiling Point 75.5±9.0 °C at 760 mmHg
Molecular Formula Cl3P Melting Point -112 °C
MSDS Chinese USA Flash Point 76°C
Symbol GHS05 GHS06 GHS08
GHS05, GHS06, GHS08
Signal Word Danger

 Names

Name phosphorus trichloride
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.574 g/mL at 25 °C
Boiling Point 75.5±9.0 °C at 760 mmHg
Melting Point -112 °C
Molecular Formula Cl3P
Molecular Weight 137.333
Flash Point 76°C
Exact Mass 135.880325
PSA 13.59000
LogP 3.84
Vapour density 4.75 (vs air)
Vapour Pressure 115.1±0.1 mmHg at 25°C
Index of Refraction n20/D 1.5148(lit.)
Stability Stable, but light sensitive. Incompatible with water, many metals, fluorine, acids, variety of organic materials including acids, alcohols and reducing agents. Reaction with water is violent and yields toxic gas.
Water Solubility reacts

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TH3675000
CHEMICAL NAME :
Phosphorus chloride
CAS REGISTRY NUMBER :
7719-12-2
LAST UPDATED :
199712
DATA ITEMS CITED :
38
MOLECULAR FORMULA :
Cl3-P
MOLECULAR WEIGHT :
137.32
WISWESSER LINE NOTATION :
P G3

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 :
18 mg/kg
TOXIC EFFECTS :
Behavioral - food intake (animal) Lungs, Thorax, or Respiration - chronic pulmonary edema Gastrointestinal - peritonitis
REFERENCE :
ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,71,1990
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
104 ppm/4H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Lungs, Thorax, or Respiration - other changes Blood - hemorrhage
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 25,470,1964
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1260 mg/kg
TOXIC EFFECTS :
Behavioral - muscle weakness Liver - change in gall bladder structure or function Blood - other changes
REFERENCE :
ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,71,1990
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
50 ppm/4H
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - irritability Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 25,470,1964
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
350 mg/kg
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 39(4),86,1974 *** REVIEWS *** ACGIH TLV-STEL 2.8 mg/m3 (0.5 ppm) 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 1.1 mg/m3 (0.2 ppm) 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 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 ppm (3 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: 3,211,1971 OSHA PEL (Gen Indu):8H TWA 0.5 ppm (3 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 0.5 ppm (3 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 0.5 ppm (3 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 0.5 ppm (3 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-ARAB Republic of Egypt:TWA 0.5 ppm (3 mg/m3) JAN 1993 OEL-AUSTRALIA:TWA 0.2 ppm (1.5 mg/m3);STEL 0.5 ppm (3 mg/m3) JAN 1993 OEL-BELGIUM:TWA 0.2 ppm (1.1 mg/m3);STEL 0.5 ppm (2.8 mg/m3) JAN 1993 OEL-DENMARK:TWA 0.2 ppm (1.2 mg/m3) JAN 1993 OEL-FINLAND:STEL 0.5 ppm (3 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 0.2 ppm (1.5 mg/m3) JAN 1993 OEL-GERMANY:TWA 0.5 ppm (3 mg/m3) JAN 1993 OEL-HUNGARY:TWA 1 mg/m3;STEL 2 mg/m3 JAN 1993 OEL-JAPAN:TWA 0.2 ppm (1.1 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 0.2 ppm (1.5 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 0.5 ppm (3 mg/m3) JAN 1993 OEL-POLAND:TWA 3 mg/m3 JAN 1993 OEL-RUSSIA:TWA 0.2 ppm;STEL 0.2 mg/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 0.25 ppm (1.5 mg/m3);STEL 0.5 ppm (3 mg/m3) JAN 1993 OEL-THAILAND:TWA 0.5 ppm (3 mg/m3) JAN 1993 OEL-TURKEY:TWA 0.5 ppm (3 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 0.2 ppm (1.5 mg/m3);STEL 0.5 ppm 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 PHOSPHORUS TRICHLORIDE-air:10H TWA 0.2 ppm;STEL 0.5 ppm 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 - 59166 No. of Facilities: 149 (estimated) No. of Industries: 4 No. of Occupations: 12 No. of Employees: 2520 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 59166 No. of Facilities: 96 (estimated) No. of Industries: 4 No. of Occupations: 6 No. of Employees: 2963 (estimated) No. of Female Employees: 329 (estimated)

 Safety Information

Symbol GHS05 GHS06 GHS08
GHS05, GHS06, GHS08
Signal Word Danger
Hazard Statements H300 + H330-H314-H373
Supplemental HS Contact with water liberates toxic gas., Reacts violently with water.
Precautionary Statements P260-P280-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P403 + P233
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes C:Corrosive;
Risk Phrases R14;R26/28;R35;R40;R48/20
Safety Phrases S26-S36/37/39-S45-S7/8-S43-S28
RIDADR UN 3390 6.1/PG 1
WGK Germany 2
RTECS TH3675000
Packaging Group I
Hazard Class 6.1
HS Code 2812104300

 Synthetic Route

 Customs

HS Code 2812104300

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 Synonyms

phosphorus chloride
Trichlorophosphine
phosphorus trichoride
phosporus trichloride
Phosphorous chloride
Phosphorus trichloride [UN1809] [Poison]
trichlorophosphane
MFCD00011438
Phosphorous trichloride
phosphorus(III) chloride
Phosphine,trichloro
Phosphorus trichloride
Phosphorus chloride (PCl3)
EINECS 231-749-3
PCl3