Triethyl phosphate

Modify Date: 2025-08-20 15:04:04

Triethyl phosphate Structure
Triethyl phosphate structure
 Common Name Triethyl phosphate
CAS Number 78-40-0 Molecular Weight 182.155
Density 1.1±0.1 g/cm3 Boiling Point 219.3±8.0 °C at 760 mmHg
Molecular Formula C6H15O4P Melting Point -56 °C
MSDS Chinese USA Flash Point 115.6±0.0 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name triethyl phosphate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 219.3±8.0 °C at 760 mmHg
Melting Point -56 °C
Molecular Formula C6H15O4P
Molecular Weight 182.155
Flash Point 115.6±0.0 °C
Exact Mass 182.070801
PSA 54.57000
LogP 1.08
Vapour density 6.28 (vs air)
Vapour Pressure 0.2±0.4 mmHg at 25°C
Index of Refraction 1.406
InChIKey DQWPFSLDHJDLRL-UHFFFAOYSA-N
SMILES CCOP(=O)(OCC)OCC
Stability Stable. Combustible. Incompatible with strong oxidizing agents, water.
Water Solubility SOLUBLE

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TC7900000
CHEMICAL NAME :
Phosphoric acid, triethyl ester
CAS REGISTRY NUMBER :
78-40-0
BEILSTEIN REFERENCE NO. :
1705772
LAST UPDATED :
199712
DATA ITEMS CITED :
24
MOLECULAR FORMULA :
C6-H15-O4-P
MOLECULAR WEIGHT :
182.18
WISWESSER LINE NOTATION :
2OPO&O2&O2

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 :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1311 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
28000 ppm/6H
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 - rat
DOSE/DURATION :
800 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Behavioral - general anesthetic Behavioral - muscle weakness Lungs, Thorax, or Respiration - dyspnea
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 :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
485 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 :
1600 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
>20 mL/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 :
800 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
18900 mg/kg/9W-C
TOXIC EFFECTS :
Liver - changes in liver weight Endocrine - changes in spleen weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
360 gm/kg/17W-C
TOXIC EFFECTS :
Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1786 mg/m3/6H/16D-I
TOXIC EFFECTS :
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Behavioral - somnolence (general depressed activity) Behavioral - ataxia
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
57 gm/kg
SEX/DURATION :
female 92 day(s) pre-mating female 1-22 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - live birth index (measured after birth)
TYPE OF TEST :
Specific locus test

MUTATION DATA

TEST SYSTEM :
Insect - Drosophila melanogaster
DOSE/DURATION :
10 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 21,175,1973 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82035 No. of Facilities: 377 (estimated) No. of Industries: 17 No. of Occupations: 24 No. of Employees: 8789 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82035 No. of Facilities: 425 (estimated) No. of Industries: 8 No. of Occupations: 25 No. of Employees: 5855 (estimated) No. of Female Employees: 1898 (estimated)

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn:Harmful
Risk Phrases R22
Safety Phrases S25
RIDADR 3278
WGK Germany 1
RTECS TC7900000
HS Code 29190090

 Synthetic Route

 Customs

HS Code 29190090

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 Triethyl phosphateBioassay

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Name: Luminescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: mu-type opioid receptor isoform MOR-1 [Homo sapiens]
External Id: OPRM1-OPRD1_AG_LUMI_1536_1X%ACT PRUN
Name: Fluorescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_AG_FLUO8_1536_1X%ACT PRUN
Name: Cytochrome P450 Family 1 Subfamily A Member 2 (CYP1A2) small molecule antagonists: lu...
Source: 824
External Id: CYP273
Name: Fluorescence-based cell-based primary high throughput screening assay to identify pos...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_PAM_FLUO8_1536_1X%ACT PRUN
Name: Fluorescence polarization-based biochemical high throughput primary assay to identify...
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=Sialate O-acetylesterase; AltName: Full=H-Lse; AltName: Full=Sialic acid-specific 9-O-acetylesterase; Flags: Precursor [Homo sapiens]
External Id: SIAE_INH_FP_1536_1X%INH PRUN
Name: Basicity of hydrogen bond, pKHB of compound by IR spectroscopy
Source: ChEMBL
Target: N/A
External Id: CHEMBL5136332
Name: p53 small molecule agonists, cell-based qHTS assay: qHTS cell viability counter scree...
Source: 824
Target: N/A
External Id: P53600
Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes: qHTS ce...
Source: 824
Target: N/A
External Id: P53MS958
Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes: Summary
Source: 824
External Id: P53MS482
Name: p53 small molecule agonists, cell-based qHTS assay
Source: 824
External Id: P53344
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 Synonyms

Phosphoric ether
Phosphoric acid triethyl ester
Triethyl phosphate
AURORA KA-1638
Triethylfosfat
Phosphoric acid, triethyl ester
diethylphosphoric acid ethyl ester
Triethylphosphate
ETHYL ACID PHOSPHATE
MFCD00009077
TRIETHYL PHOSPHAYE
TEP
phosphatedetriethyle
EINECS 201-114-5
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