Tributyl phosphite
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Basic information
- CAS
102-85-2- Standard SMILES
CCCCOP(OCCCC)OCCCC- InChIKey
XTTGYFREQJCEML-UHFFFAOYSA-N- Molecular formula
- C12H27O3P
- Average molar mass
- 250.31 g/mol
- Monoisotopic mass
- 250.16978135
Names & identifiers
- Preferred name
- Tributyl phosphite
- IUPAC
- tributyl phosphite
- English name
- Tributyl phosphite
- Molecular formula
- C12H27O3P
- Molecular weight
- 250.31
Names & synonyms
TRIBUTYL PHOSPHITE102-85-2Tri-n-butyl phosphiteTributoxyphosphinePhosphorous acid, tributyl esterTributylfosfitButyl phosphite ((C4H9O)3P)Phosphorus tributoxide (p(OBu)3)JP 304DTXSID7051474NSC-2675498030B4AD
Show more names
Tributyl phsophitejp304Syn-O-Ad P-312TributylPhosphite>Phosphorus derivativeTributyl phosphite,94%
DTXCID2030065TBPi cpdRefChem:190911203-061-3tributylphosphitePhosphorous Acid Tributyl EsterNSC 2675MFCD00009437
Database identifiers
- CAS
102-85-2- PubChem CID
- 7623
- DTXSID
DTXSID7051474- UNII
- 498030B4AD
- EC Number
- 203-061-3
- Nikkaji
- J3.232H
Properties
Computed structural propertiesFilling in
- XLogP
- 3.8
- Topological polar surface area
- 27.7 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 12
- Heavy atoms
- 16
- Formal charge
- 0
- Complexity
- 110
Experimental & physicochemical properties
Chemical ClassesOther Classes -> Phosphite Compounds
SpringerMaterials PropertiesChemical diffusion
Exact Mass250.16978172 Da
Molecular Weight250.31 g/mol
Monoisotopic Mass250.16978172 Da
Physical DescriptionClear colorless liquid with a mild odor; [Acros Organics MSDS]
Compound Is CanonicalizedYes
Physicochemical properties
- Melting point
- -80 °C · -80 °C
- Boiling point
- 125 °C · 125 °C
- Density
- 0.925 g/mL · 0.925 g/mL at 25 °C(lit.)
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 0.1% (1 of 725) of reports.
Warning
H315 (33%): Causes skin irritation [Warning Skin corrosion/irritation]
P264, P264+P265, P273, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, P362+P364, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 725 reports by companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory Information
Chemical: Phosphorous acid, tributyl ester
Phosphorous acid, tributyl ester is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Phosphorous acid, tributyl ester are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
Status: Active Update: 17-04-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/28208
Phosphorous acid, tributyl ester: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazards SummaryA moderate eye and severe skin irritant; [RTECS] A skin and eye irritant; Harmful by inhalation and skin absorption; [Acros Organics MSDS] See Triethyl phosphite and Dibutyl hydrogen phosphite.
Hazard Classes and CategoriesSkin Irrit. 2 (33%)
Toxicology
Toxicity DataLC (rat) > 220 ppm/6hr
Chemistry & industry
Uses & manufacturing
U.S. Production2023: <50,000 lb
General Manufacturing InformationPhosphorous acid, tributyl ester: ACTIVE
Applications
UsesTributyl phosphite may be employed as model lubricant additive and its surface chemistry on Fe3O4 in ultrahigh vacuum is investigated.
UsesTributyl Phosphite inhibits fluoroacetanilide poisoning in mammals.
UsesTributyl phosphite may be employed as model lubricant additive and its surface chemistry on Fe3O4 in ultrahigh vacuum is investigated.
General DescriptionTributyl phosphite is an alkylphosphite and is reported to inhibit carboxylesterase activity.
Upstream & downstream products
Downstream products
Related reactions
25 records
Compound notes
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