7719-12-2

7719-12-2 structure

Name: Phosphorus trichloride
Chemical Name: phosphorus trichloride
CAS Number: 7719-12-2
Molecular Formula: Cl₃P
Molecular Weight: 137.333
Catalog: Inorganic chemical industry Inorganic salt Metal halides and halides Non-metal halide, sulfide or sulfonate
Create Date: 2018-09-20 14:00:45
Modify Date: 2026-07-01 10:33:34

Name	phosphorus trichloride
Synonyms	phosohorus trichloride Phosphore(trichlorure de) phosphorus chloride Trichlorophosphorus Phosphorus(III) chloride Phosphorus(III) trichloride phosphore(trichlorurede) Phosphoroustrichloride Trichlorophosphorus(III) Phosphorus chloride (PCl3) EINECS 231-749-3 Fosfortrichloride Trojchlorek fosforu Phosphorus(III) chloride, 2.0 M solution in Methylene chloride, SpcSeal Phosphorus(III)chloride(-P)PURATREM Phosphorus(III)chloride(PCl3) PHOSPHORTRICHLORIDE Phosiphorus calcium glass Phosphorous(III) chloride phosphoruschloride(cl6p2) phosphore(trichlorurede)(french) trojchlorekfosforu(polish) (T)Phosphorustrichloride Phosphorous trichloride PHOSPHORUS CHLORIDE Phosphortrichlorid Phosphorus chloride (cl6p2) Trichlorophosphine phosphorus trichoride Phosphine, trichloro Phosphorous chloride PHOSPHORUS TRICHLORIDE, REAGENTPLUS, (POLY-COATED BOTTLES) PHOSPHORUS TRICHLORIDE Phosphorus chloride (pcl3) phosphoruschloride(pcl3) trojchlorekfosforu Phosphorus trichloride solution phosphorus(III) chloride Phosphorus trichloride, 2M solution in dichloromethane Phosphine,trichloro Phosphoruschloride (PCl3) (8CI) trichloro-phosphin PHOSPHORUS TRICHLORIDE REAGENTPLUSTM & Fosforo(tricloruro di) PCl3 Phosphorus(III) chloride (-P) PURATREM Phosphorus trichlori PHOSPHORUS TRICHLORIDE, REAGENTPLUS phosphorouschloride PICl phosporus trichloride Phosphorus(III) chloride, min Phosphorus trichloride2M solution in dichloromethaneAcroSeal§3 phosphorus trichloride for high purity Phosphorus trichloride [UN1809] [Poison] trichlorophosphane MFCD00011438 Chloride of phosphorus PHOSPHORUS TRICHLORIDE SOLUTION, ~2 M IN DICHLOROMETHANE Phosphorus(III)chloride fosforo(triclorurodi) PHOSPHORUS TRICHLORIDE, 2.0M SOLUTION IN DICHLOROMETHANE

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

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)

Symbol	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

Precursor 10
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98-89-5 7719-09-7
DownStream 8
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