Phosphoric acid

Modify Date: 2024-01-02 07:39:54

Phosphoric acid Structure
Phosphoric acid structure
Common Name Phosphoric acid
CAS Number 7664-38-2 Molecular Weight 97.995
Density 2.2±0.1 g/cm3 Boiling Point 158.0±0.0 °C at 760 mmHg
Molecular Formula H3O4P Melting Point ~40 °C(lit.)
MSDS Chinese USA Flash Point N/A
Symbol GHS05
GHS05
Signal Word Danger

 Names

Name phosphoric acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.2±0.1 g/cm3
Boiling Point 158.0±0.0 °C at 760 mmHg
Melting Point ~40 °C(lit.)
Molecular Formula H3O4P
Molecular Weight 97.995
Exact Mass 97.976898
PSA 87.57000
LogP -2.15
Vapour density 3.4 (vs air)
Vapour Pressure 1.4±0.6 mmHg at 25°C
Index of Refraction 1.510
Water Solubility MISCIBLE

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TB6300000
CHEMICAL NAME :
Phosphoric acid
CAS REGISTRY NUMBER :
7664-38-2
LAST UPDATED :
199712
DATA ITEMS CITED :
40
MOLECULAR FORMULA :
H3-O4-P
MOLECULAR WEIGHT :
98.00
WISWESSER LINE NOTATION :
H3 P-O4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810 Frontage Rd., Northbrook, IL 60062) Volume(issue)/page/year: 17-4/1970
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810 Frontage Rd., Northbrook, IL 60062) Volume(issue)/page/year: 17-4/1970 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
220 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85DCAI "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M., Springfield, IL, C.C. Thomas, 1970 Volume(issue)/page/year: 2,73,1970
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1530 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Kidney, Ureter, Bladder - hematuria Skin and Appendages - hair
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810 Frontage Rd., Northbrook, IL 60062) Volume(issue)/page/year: 17-4/1970
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>850 mg/m3/1H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810 Frontage Rd., Northbrook, IL 60062) Volume(issue)/page/year: 17-4/1970
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
2740 mg/kg
REFERENCE :
BIOFX* BIOFAX Industrial Bio-Test Laboratories, Inc., Data Sheets. (1810 Frontage Rd., Northbrook, IL 60062) Volume(issue)/page/year: 17-4/1970 *** REVIEWS *** ACGIH TLV-STEL 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: TLV/BEI,1997 ACGIH TLV-TWA 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: TLV/BEI,1997 TOXICOLOGY REVIEW ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 39,299,1978 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 MSHA STANDARD-air:TWA 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: 3,210,1971 OSHA PEL (Gen Indu):8H TWA 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 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 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 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-ARAB Republic of Egypt:TWA 1 mg/m3 JAN 1993 OEL-AUSTRALIA:TWA 1 mg/m3;STEL 3 mg/m3 JAN 1993 OEL-BELGIUM:TWA 1 mg/m3;STEL 3 mg/m3 JAN 1993 OEL-DENMARK:TWA 1 mg/m3 JAN 1993 OEL-FINLAND:TWA 1 mg/m3;STEL 3 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 1 mg/m3;STEL 3 mg/m3 JAN 1993 OEL-JAPAN:TWA 1 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 1 mg/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 1 mg/m3 JAN 1993 OEL-SWEDEN:TWA 1 mg/m3;STEL 3 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 1 mg/m3 JAN 1993 OEL-THAILAND:TWA 1 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 1 mg/m3;STEL 1 ppm (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 PHOSPHORIC ACID-air:10H TWA 1 mg/m3;STEL 3 mg/m3 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 - 58520 No. of Facilities: 42406 (estimated) No. of Industries: 257 No. of Occupations: 146 No. of Employees: 454920 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 58520 No. of Facilities: 61396 (estimated) No. of Industries: 309 No. of Occupations: 198 No. of Employees: 1256907 (estimated) No. of Female Employees: 450478 (estimated)

 Safety Information

Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H290-H314
Precautionary Statements P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
Personal Protective Equipment Faceshields;Gloves;Goggles
Hazard Codes C:Corrosive
Risk Phrases R34
Safety Phrases S7-S16-S26-S36/37-S45-S36/37/39-S1/2-S24/25
RIDADR UN 3453 8/PG 3
WGK Germany 3
RTECS TB6300000
Packaging Group III
Hazard Class 8
HS Code 2809201900

 Synthetic Route

 Customs

HS Code 2809201900

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 Synonyms

wc-reiniger
EVITs
H3PO4
PHOS ACID
MFCD00011340
NFB
Phosphoric
Sonac
EINECS 231-633-2
FEMA 2900
Marphos
Phosphorous acid
U.N. 1805
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