Diethyl phthalate

Modify Date: 2025-08-20 15:45:00

Diethyl phthalate Structure
Diethyl phthalate structure
Common Name Diethyl phthalate
CAS Number 84-66-2 Molecular Weight 222.237
Density 1.1±0.1 g/cm3 Boiling Point 294.0±0.0 °C at 760 mmHg
Molecular Formula C12H14O4 Melting Point −3 °C(lit.)
MSDS Chinese USA Flash Point 160.0±0.0 °C

 Names

Name diethyl phthalate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 294.0±0.0 °C at 760 mmHg
Melting Point −3 °C(lit.)
Molecular Formula C12H14O4
Molecular Weight 222.237
Flash Point 160.0±0.0 °C
Exact Mass 222.089203
PSA 52.60000
LogP 2.70
Vapour density 7.66 (vs air)
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.508
Stability Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, alkalies.
Water Solubility 1 g/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TI1050000
CHEMICAL NAME :
Phthalic acid, diethyl ester
CAS REGISTRY NUMBER :
84-66-2
BEILSTEIN REFERENCE NO. :
1912500
LAST UPDATED :
199712
DATA ITEMS CITED :
56
MOLECULAR FORMULA :
C12-H14-O4
MOLECULAR WEIGHT :
222.26
WISWESSER LINE NOTATION :
2OVR BVO2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Human
DOSE/DURATION :
1000 mg/m3
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - cough Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
8600 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - withdrawal Nutritional and Gross Metabolic - weight loss or decreased weight gain
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5058 uL/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 :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
9500 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 :
Rodent - mouse
DOSE/DURATION :
6172 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 :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2749 mg/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - acute pulmonary edema Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Blood - changes in spleen
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
8600 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 :
Rodent - rabbit
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
100 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 :
Rodent - guinea pig
DOSE/DURATION :
8600 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - withdrawal Nutritional and Gross Metabolic - weight loss or decreased weight gain
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
3 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 :
Unreported
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
3 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
44240 mg/kg/14D-C
TOXIC EFFECTS :
Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - changes in testicular weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
133 gm/kg/6W-C
TOXIC EFFECTS :
Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - changes in testicular weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
354 gm/kg/16W-C
TOXIC EFFECTS :
Gastrointestinal - other changes Liver - changes in liver weight Related to Chronic Data - changes in testicular weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
25200 mg/kg/3W-C
TOXIC EFFECTS :
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
24 mL/kg/4W-I
TOXIC EFFECTS :
Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
25 mL/kg/4W-I
TOXIC EFFECTS :
Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
618 mL/kg/2Y-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
25 gm/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
506 mg/kg
SEX/DURATION :
female 5-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
171 gm/kg
SEX/DURATION :
male 7 day(s) pre-mating female 7 day(s) pre-mating - 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands Reproductive - Effects on Newborn - live birth index (measured after birth)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
171 gm/kg
SEX/DURATION :
male 7 day(s) pre-mating female 7 day(s) pre-mating - 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - physical
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Administration onto the skin
DOSE :
101 gm/kg
SEX/DURATION :
female 1-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
REFERENCE :
JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub., 1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76- Volume(issue)/page/year: 16,61,1985 *** REVIEWS *** ACGIH TLV-TWA 5 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 EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 3,73,1973 TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 54,1,1975 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 ESKHA5 Eisei Shikenjo Hokoku. Bulletin of the Institute of Hygienic Sciences. (Kokuritsu Eisei Shikenjo Kagaku, 18-1 Bushitsu Johobu, Setagaya-ku, Tokyo 158, Japan) V.1- 1886- Volume(issue)/page/year: (93),1,1975 TOXICOLOGY REVIEW JACTDZ Journal of the American College of Toxicology. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1-12, 1982-1993. Discontinued. Volume(issue)/page/year: 4(3),267,1985 TOXICOLOGY REVIEW FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 13,747,1989 *** 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 5 mg/m3 JAN 1993 OEL-BELGIUM:TWA 5 mg/m3 JAN 1993 OEL-DENMARK:TWA 5 mg/m3 JAN 1993 OEL-FINLAND:TWA 5 mg/m3;STEL 10 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 5 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 5 mg/m3 JAN 1993 OEL-RUSSIA:STEL 0.5 mg/m3 JAN 1993 OEL-SWEDEN:TWA 3 mg/m3;STEL 5 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 5 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 5 mg/m3;STEL 10 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 DIETHYL PHTHALATE-air:10H TWA 5 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 - 81806 No. of Facilities: 1334 (estimated) No. of Industries: 30 No. of Occupations: 49 No. of Employees: 109691 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81806 No. of Facilities: 16408 (estimated) No. of Industries: 120 No. of Occupations: 98 No. of Employees: 239149 (estimated) No. of Female Employees: 108580 (estimated)

 Safety Information

Personal Protective Equipment Eyeshields;Gloves
Hazard Codes N
Risk Phrases R36/37/38
Safety Phrases S24/25
RIDADR UN 3077 9/PG 3
WGK Germany 2
RTECS TI1050000
HS Code 29173400

 Synthetic Route

 Customs

HS Code 2917349000
Summary 2917349000 other esters of orthophthalic acid。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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 Synonyms

Benzene-1,2-dicarboxylic acid diethyl ester
diethyl o-phthalate
1,2-Benzenedicarboxylic acid, diethyl ester
phthalic acid di-n-ethyl ester
EINECS 201-550-6
Benzenedicarboxylic acid, diethyl ester
unimollda
Amozol
Neantine
ethyl phthalate
estol1550
1,2-BENZENEDICARBOXYLIC ACID DIETHYL ESTER
diethyl benzene-1,2-dicarboxylate
Diethyl ester of phthalic acid
diethyl benzenedicarboxylate
diethyl ortho-phthalate
phthalic acid diethyl ester
Anozol
MFCD00009111
Solvanol
placidole
Diethyl phthalate
PHTHALOL
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