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1809-19-4
???:
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???(??):
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Dibutyl phosphite
???(??):
DIBUTYL HYDROGEN PHOSPHITE;mobildbhp;Mobil dbhp;Dibutylfosfit;Syn-O-Ad P-316;Butyl phosphite;DIBUTYL PHOSPHITE;DI-N-BUTYL PHOSPHITE;Dibutyl phosphite,96%;Dibutyl phosphite 96%
CBNumber:
CB4157218
???:
C8H19O3P
??? ??:
194.21
MOL ??:
1809-19-4.mol
MSDS ??:
SDS

??? ???? ??

???
70.5 °C
?? ?
118-119 °C/11 mmHg (lit.)
??
0.995 g/mL at 25 °C (lit.)
???
<0.1 mm Hg ( 20 °C)
???
n20/D 1.423(lit.)
???
250 °F
???
H2O: 25°C?? ???7.3g/L
??? ??
??
??
???
Specific Gravity
0.995
???
?? ???
BRN
1099706
Henry's Law Constant
5.5×10-1 mol/(m3Pa) at 25℃, HSDB (2015)
InChI
1S/C8H19O3P/c1-3-5-7-10-12(9)11-8-6-4-2/h12H,3-8H2,1-2H3
InChIKey
NFJPGAKRJKLOJK-UHFFFAOYSA-N
SMILES
CCCCO[PH](=O)OCCCC
LogP
1.81 at 25℃
CAS ??????
1809-19-4(CAS DataBase Reference)
NIST
Dibutyl hydrogen phosphite(1809-19-4)
EPA
Phosphonic acid, dibutyl ester (1809-19-4)
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  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xn
?? ???? ?? 21-37/38-40-41-36/37/38
????? 26-36/37/39
????(UN No.) 1760
WGK ?? 3
RTECS ?? HS6475000
TSCA TSCA listed
HS ?? 29209090
???? ??? 10 - Combustible liquids
Hazard Classifications Aquatic Chronic 3
Carc. 2
Eye Irrit. 2
Skin Irrit. 2
?? ?? ??? 1809-19-4(Hazardous Substances Data)
???? ?? KE-28493
????(GHS): Flame (GHS02)Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H226 ??? ?? ? ?? ??? ?? ?? 3 ??
H303 ??? ??? ? ?? ?? ?? ?? - ?? ?? 5 P312
H312 ??? ???? ??? ?? ?? ?? - ?? ?? 4 ?? P280,P302+P352, P312, P322, P363,P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
??????:
P210 ?·???·??·????? ????? - ?? ???.
P233 ??? ??? ?????. ??? ??? ? ?? ?? ??? ???? ?????.
P240 ??? ????? ?? ? ??????.
P241 ?? ??? ??[???/??/??/...]?(?) ?????.
P242 ???? ???? ?? ??? ?????
P243 ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P280 ????/???/???/?????? ?????.
P303+P361+P353 ??(?? ????)? ??? ??? ?? ??? ??? ????? ??? ?? ????/?????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P312 ???? ??? ????(??)? ??? ????.
P332+P313 ?? ??? ??? ???? ??· ??? ????.
P337+P313 ?? ?? ??? ???? ???? ??· ??? ????.
P370+P378 ?? ? ?? ?? ?? (Section 5. ??, ??? ????? ??? ???)?(?) ?????.
P403+P235 ??? ? ?? ?? ???? ???? ?????.
P501 ...? ??? / ??? ?? ???.
NFPA 704
2
3 0

??? ???? MSDS


Dibutyl phosphite

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clear colorless to slightly yellow liquid

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Dibutyl phosphite was used as anti-wear agent in bio-based lubricating oil.

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Dibutyl phosphite undergoes addition reaction with Schiff bases to yield 1,4-bis[N-methyl(dibutoxyphosphonyl)-1-(2-furyl)]diaminobenzene and 4,4′-bis[N-methyl(dibutoxyphosponyl)-1-phenyl]benzidine. It is antiwear and extreme-pressure additive in industrial gear oils.

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