Phthalic anhydride

Modify Date: 2024-01-02 22:48:58

Phthalic anhydride Structure
Phthalic anhydride structure
Common Name Phthalic anhydride
CAS Number 85-44-9 Molecular Weight 148.116
Density 1.4±0.1 g/cm3 Boiling Point 284 ºC
Molecular Formula C8H4O3 Melting Point 129-132 ºC
MSDS Chinese USA Flash Point 152 ºC
Symbol GHS05 GHS07 GHS08
GHS05, GHS07, GHS08
Signal Word Danger
Purity Quantity Budget Inquiry

 Names

Name phthalic anhydride
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 284 ºC
Melting Point 129-132 ºC
Molecular Formula C8H4O3
Molecular Weight 148.116
Flash Point 152 ºC
Exact Mass 148.016037
PSA 43.37000
LogP 1.60
Vapour density 5.1 (vs air)
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.613
Stability Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, moisture, strong acids. Dust may form an explosive mixture with air.
Water Solubility 6 g/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TI3150000
CHEMICAL NAME :
Phthalic anhydride
CAS REGISTRY NUMBER :
85-44-9
LAST UPDATED :
199712
DATA ITEMS CITED :
48
MOLECULAR FORMULA :
C8-H4-O3
MOLECULAR WEIGHT :
148.12
WISWESSER LINE NOTATION :
T56 BVOVJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
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)
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>210 mg/m3/1H
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 :
1500 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 - cat
DOSE/DURATION :
800 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 :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>10 gm/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 - guinea pig
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
100 mg/m3/2H/2W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Liver - other changes
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
6 gm/kg/42D-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes Gastrointestinal - gastritis Gastrointestinal - other changes
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
1 mg/m3
SEX/DURATION :
male 45 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - testes, epididymis, sperm duct
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
203 mg/kg
SEX/DURATION :
female 8-10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - other developmental abnormalities

MUTATION DATA

TYPE OF TEST :
DNA damage
TEST SYSTEM :
Rodent - rat Liver
REFERENCE :
EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year: 24,181,1994 *** 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 6.1 mg/m3 (1 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 TOXICOLOGY REVIEW BPCT** Progress Report from the Environmental Protection Agency to NIOSH on Benzenepolycarboxylates, 1974 Volume(issue)/page/year: -,183,1974 TOXICOLOGY REVIEW EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 4,3,1973 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 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 2 ppm (12 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: 3,212,1971 OSHA PEL (Gen Indu):8H TWA 2 ppm (12 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 2 ppm (12 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 2 ppm (12 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 2 ppm (12 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 1 ppm (6 mg/m3) JAN 1993 OEL-BELGIUM:TWA 1 ppm (6.1 mg/m3) JAN 1993 OEL-DENMARK:TWA 5 mg/m3 JAN 1993 OEL-FINLAND:TWA 2 mg/m3;STEL 3 mg/m3;Skin JAN 1993 OEL-FRANCE:STEL 6 mg/m3 JAN 1993 OEL-GERMANY:TWA 5 mg/m3 JAN 1993 OEL-HUNGARY:TWA 1 mg/m3;STEL 2 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 1 ppm (6 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 2 ppm (12 mg/m3) JAN 1993 OEL-POLAND:TWA 1 mg/m3 JAN 1993 OEL-RUSSIA:STEL 1 mg/m3;Skin JAN 1993 OEL-SWEDEN:TWA 1 ppm (6 mg/m3);STEL 2 ppm (12 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 0.8 ppm (5 mg/m3);STEL 1.6 ppm (10 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 1 ppm (6 mg/m3);STEL 4 ppm (24 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 PHTHALIC ANHYDRIDE-air:10H TWA 1 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 - 59230 No. of Facilities: 10056 (estimated) No. of Industries: 128 No. of Occupations: 90 No. of Employees: 134716 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 59230 No. of Facilities: 5265 (estimated) No. of Industries: 72 No. of Occupations: 67 No. of Employees: 81312 (estimated) No. of Female Employees: 14675 (estimated)

 Safety Information

Symbol GHS05 GHS07 GHS08
GHS05, GHS07, GHS08
Signal Word Danger
Hazard Statements H302-H315-H317-H318-H334-H335
Precautionary Statements P261-P280-P284-P304 + P340 + P312-P305 + P351 + P338 + P310-P342 + P311
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn:Harmful
Risk Phrases R22;R37/38;R41;R42/43
Safety Phrases S23-S24/25-S26-S37/39-S46-S22
RIDADR 2214
WGK Germany 1
RTECS TI3150000
Packaging Group III
Hazard Class 8
HS Code 2917350000

 Synthetic Route

 Customs

HS Code 2917350000
Summary HS:2917350000 isobenzofuran-1,3-dione VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB MFN tariff:6.5% General tariff:30.0%

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 Synonyms

1,3-DIHYDRO-IMIDAZOL-2-ONE
4-imidazolin-2-one
MFCD00005918
1H-imidazol-2(3H)-one
phthallic anhydride
Phthalic anhydride
isobenzofuran-1,3-dione
1,3-dihydro-2H-imidazol-2-one
2-hydroxyimidazole
1,3-isobenzofurandione
2,3-dihydro-1H-imidazol-2-one
2,3-DIHYDRO-IMIDAZOL-2-ONE
EINECS 201-607-5
1,3-dihydroimidazolone
shellsd-8591
1,3-dihydroisobenzofuran-1,3-dione
2(3H)-Oxo-1H-imidazole
o-Phthalic acid anhydride
1,3-dihydro-2h-imidazol-2-on
2,3-Dihydroimidazole-2-one
sd8591
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