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HCID 7623Erstellt: 26. Oktober 2026

Tributylphosphit

Tributyl phsophite · TRI-N-BUTYL PHOSPHITE · jp304 · Syn-O-Ad P-312 · Tributylfosfit · Tributoxyphosphine · Tributyl phosphite · TributylPhosphite>Phosphorus derivative

https://huagongshe.com/de/chemical/7623

Molekülstruktur von Tributylphosphit

Identifikatoren & physikalische Daten

CAS No.102-85-2
SummenformelC12H27O3P
Durchschnittliche Molmasse250,31 g/mol
Monoisotopische Masse250,16978135 g/mol
SMILESCCCCOP(OCCCC)OCCCC
InChIKeyXTTGYFREQJCEML-UHFFFAOYSA-N
PubChem CID7623
EC No.203-061-3
DTXSIDDTXSID7051474
Lokaler NameTributylphosphit

Chemische & physikalische Eigenschaften

XLogP3,8
Polarare Oberfläche (TPSA)27,7
H-Brücken-Donoren0
H-Brücken-Akzeptoren3
Frei drehbare Bindungen12
Schwere Atome16
Formalladung0
Komplexität110
StoffklassenOther 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
Schmelzpunkt-80 °C
Siedepunkt125 °C
Dichte0.925 g/mL at 25 °C(lit.)
Dampfdruck3.2Pa at 20℃
Brechungsindexn20/D 1.431(lit.)
Flammpunkt197 °F
LöslichkeitChloroform (Sparingly), Methanol (Slightly)Not miscible or difficult to mix in water.
Aggregatzustandliquid
Wichte0.925
Farbecolorless
BRN1703866
InChI1S/C12H27O3P/c1-4-7-10-13-16(14-11-8-5-2)15-12-9-6-3/h4-12H2,1-3H3
InChIKeyXTTGYFREQJCEML-UHFFFAOYSA-N
SMILESCCCCOP(OCCCC)OCCCC
CAS Datenbank102-85-2(CAS DataBase Reference)
EPA chemische InformationenTributyl phosphite (102-85-2)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 0.1% (1 of 725) of reports.WarningH315 (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.
Regulatorische InformationenChemical: Phosphorous acid, tributyl esterPhosphorous 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/28208Phosphorous 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.
GefahrenübersichtA moderate eye and severe skin irritant[RTECS] A skin and eye irritantHarmful by inhalation and skin absorption[Acros Organics MSDS] See Triethyl phosphite and Dibutyl hydrogen phosphite.
Hazard Classes and CategoriesSkin Irrit. 2 (33%)
Toxicity DataLC (rat) > 220 ppm/6hr
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
UN-TransportnummerUN 3265 8/PG 3
Zollcode29209085
RTECS-Nr.TH0875000
R-Sätze (R)21-34
ToxizitätLD50 oral in rat: 3gm/kg
GefahrensymboleC
Sicherheitshinweise (S)26-36/37/39-45
Lagerklasse8A - Combustible corrosive hazardous materials
GefahrenklasseAcute Tox. 4 DermalSkin Corr. 1B

Anwendungen & Verwendung

Verwenden

Tributyl phosphite may be employed as model lubricant additive and its surface chemistry on Fe3O4 in ultrahigh vacuum is investigated.