Trimethyl phosphate
Names
[ CAS No. ]:
512-56-1
[ Name ]:
Trimethyl phosphate
[Synonym ]:
Trimethyl phosphate
trimethyl phosphonate
TMP,TMPA,TMPO
Trimethyl orthophosphate
Trimethoxyphosphine oxide
Phosphoric acid, trimethyl ester
TMP TMPA TMPO
Trimethylphosphate
TMPA
MFCD00008348
EINECS 208-144-8
Phosphoric acid trimethyl ester
orthophosphoric acid trimethyl ester
TMPO
Biological Activity
[Description]:
[Related Catalog]:
[In Vitro]
Chemical & Physical Properties
[ Density]:
1.2±0.1 g/cm3
[ Boiling Point ]:
197.2±0.0 °C at 760 mmHg
[ Melting Point ]:
-46 °C
[ Molecular Formula ]:
C3H9O4P
[ Molecular Weight ]:
140.07
[ Flash Point ]:
83.7±38.8 °C
[ Exact Mass ]:
140.023849
[ PSA ]:
54.57000
[ LogP ]:
-0.52
[ Vapour Pressure ]:
0.5±0.3 mmHg at 25°C
[ Index of Refraction ]:
1.379
[ Water Solubility ]:
500 G/L (25 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- TC8225000
- CHEMICAL NAME :
- Phosphoric acid, trimethyl ester
- CAS REGISTRY NUMBER :
- 512-56-1
- LAST UPDATED :
- 199806
- DATA ITEMS CITED :
- 69
- MOLECULAR FORMULA :
- C3-H9-O4-P
- MOLECULAR WEIGHT :
- 140.09
- WISWESSER LINE NOTATION :
- 1OPO&O1&O1
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 :
- 840 mg/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 :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 800 mg/kg
- TOXIC EFFECTS :
- Behavioral - general anesthetic Gastrointestinal - other changes
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2400 mg/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 :
- Unreported
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 500 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Behavioral - changes in motor activity (specific assay)
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1470 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 :
- 2250 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 :
- Unreported
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 540 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Behavioral - changes in motor activity (specific assay)
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 1275 mg/kg
- TOXIC EFFECTS :
- Behavioral - tremor Behavioral - muscle weakness Lungs, Thorax, or Respiration - dyspnea
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 2830 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 :
- Oral
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 1676 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 :
- Bird - quail
- DOSE/DURATION :
- 750 mg/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 :
- 18900 mg/kg/9W-C
- TOXIC EFFECTS :
- Kidney, Ureter, Bladder - changes in bladder weight Blood - changes in erythrocyte (RBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 64050 mg/kg/2.5Y-C
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - sensory syndrome diagnostic of central lesion Behavioral - muscle weakness Blood - pigmented or nucleated red blood cells
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 170 mL/kg/17W-I
- TOXIC EFFECTS :
- Spinal Cord - other degenerative changes Peripheral Nerve and Sensation - structural change in nerve or sheath Behavioral - muscle weakness
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Mammal - cat
- DOSE/DURATION :
- 9037 mg/kg/18W-I
- TOXIC EFFECTS :
- Behavioral - muscle weakness
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 2160 mg/kg/6D-I
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - tremor Behavioral - muscle weakness
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 34020 mg/kg/14D-I
- TOXIC EFFECTS :
- Behavioral - tremor Behavioral - muscle weakness Related to Chronic Data - death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 31 gm/kg/2Y-C
- TOXIC EFFECTS :
- Tumorigenic - neoplastic by RTECS criteria Skin and Appendages - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 154 gm/kg/2Y-C
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Reproductive - Tumorigenic effects - uterine tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 16 gm/kg/2Y-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 77 gm/kg/2Y-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 500 mg/kg
- SEX/DURATION :
- male 5 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 5500 mg/kg
- SEX/DURATION :
- male 22 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 2500 mg/kg
- SEX/DURATION :
- male 5 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 2500 mg/kg
- SEX/DURATION :
- male 5 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetal death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 5 gm/kg
- SEX/DURATION :
- male 5 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 700 mg/kg
- SEX/DURATION :
- male 1 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 1 gm/kg
- SEX/DURATION :
- male 1 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetal death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 1 gm/kg
- SEX/DURATION :
- male 1 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1 gm/kg
- SEX/DURATION :
- male 2 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
- TYPE OF TEST :
- Specific locus test
- TYPE OF TEST :
- Sex chromosome loss and nondisjunction
- TYPE OF TEST :
- Sex chromosome loss and nondisjunction
- TYPE OF TEST :
- Heritable translocation test
- TYPE OF TEST :
- Cytogenetic analysis
- TYPE OF TEST :
- Micronucleus test
- TYPE OF TEST :
- Cytogenetic analysis
- TYPE OF TEST :
- Cytogenetic analysis
- TYPE OF TEST :
- Dominant lethal test
- TYPE OF TEST :
- Dominant lethal test
- TYPE OF TEST :
- Dominant lethal test
- TYPE OF TEST :
- Sperm Morphology
- TYPE OF TEST :
- Heritable translocation test
- TYPE OF TEST :
- Heritable translocation test
- TYPE OF TEST :
- Cytogenetic analysis
MUTATION DATA
- TEST SYSTEM :
- Bird - chicken
- DOSE/DURATION :
- 25424 ug/kg
- REFERENCE :
- 47JMAE "Cytogenetic Assays of Environmental Mutagens," Hsu, T.C., ed., Totowa, NJ, Allanheld, Osmun & Co., 1982 Volume(issue)/page/year: -,137,1982 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FINLAND:TWA 0.05 ppm (2.6 mg/m3);STEL 10 ppm (52 mg/m3);Skin;Carcinogen JAN 1993 OEL-GERMANY;Skin;Carcinogen JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - A1121 No. of Facilities: 21 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 104 (estimated)
Safety Information
[ Symbol ]:
GHS07, GHS08
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H302-H315-H319-H340-H351
[ Precautionary Statements ]:
P201-P281-P305 + P351 + P338-P308 + P313
[ 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;R40;R68
[ Safety Phrases ]:
S53-S36/37-S45
[ RIDADR ]:
2810
[ WGK Germany ]:
1
[ RTECS ]:
TC8225000
[ HS Code ]:
2919900090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2919900090
[ Summary ]:
2919900090 other phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%
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