Butyl phosphite

Modify Date: 2025-08-23 18:29:50

Butyl phosphite Structure
Butyl phosphite structure
 Common Name Butyl phosphite
CAS Number 102-85-2 Molecular Weight 250.315
Density 0.925 g/mL at 25 °C(lit.) Boiling Point 268.1±0.0 °C at 760 mmHg
Molecular Formula C12H27O3P Melting Point -80 °C
MSDS Chinese USA Flash Point 121.1±0.0 °C
Symbol GHS05 GHS07
GHS05, GHS07		 Signal Word Danger

 Names

Name tributyl phosphite
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.925 g/mL at 25 °C(lit.)
Boiling Point 268.1±0.0 °C at 760 mmHg
Melting Point -80 °C
Molecular Formula C12H27O3P
Molecular Weight 250.315
Flash Point 121.1±0.0 °C
Exact Mass 250.169785
PSA 41.28000
LogP 3.85
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction n20/D 1.431(lit.)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TH0875000
CHEMICAL NAME :
Phosphorous acid, tributyl ester
CAS REGISTRY NUMBER :
102-85-2
BEILSTEIN REFERENCE NO. :
1703866
LAST UPDATED :
199710
DATA ITEMS CITED :
10
MOLECULAR FORMULA :
C12-H27-O3-P
MOLECULAR WEIGHT :
250.36
WISWESSER LINE NOTATION :
4OPO4&O4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Open irritation test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 26,269,1944
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1116,1986
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
AJOPAA American Journal of Ophthalmology. (Ophthalmic Pub. Co., 435 N. Michigan Ave., Suite 1415, Chicago, IL 60611) Series 3: V.1- 1918- Volume(issue)/page/year: 29,1363,1946 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 26,269,1944
TYPE OF TEST :
LC - Lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>220 ppm/6H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 34,286,1973
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 34,286,1973 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2338 No. of Facilities: 45 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 5124 (estimated) No. of Female Employees: 356 (estimated)

 Safety Information

Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H312-H314
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn:Harmful;
Risk Phrases R21;R36/37/38
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3265 8/PG 3
WGK Germany 3
RTECS TH0875000
Hazard Class 8.0
HS Code 2920901900

 Synthetic Route

 Customs

HS Code 2920901900
Summary 2920901900 VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 Articles2

More Articles
Structural requirements for the inhibition of human monocyte carboxylesterase by organophosphorus compounds.

Chem. Biol. Interact. 80(3) , 327-38, (1991)

Human blood monocyte carboxylesterase (CBE) is inhibited by a variety of organophosphorus compounds including arylphosphates and arylphosphites and some alkylphosphites. Triphenyl phosphate and triphe...

Reaction of tributyl phosphite with oxidized iron: surface and tribological chemistry.

Langmuir 20(18) , 7557-68, (2004)

The surface chemistry of a model lubricant additive, tributyl phosphite (TBPi), is investigated on Fe3O4 in ultrahigh vacuum. A portion of the TBPi desorbs molecularly following adsorption at approxim...

 Synonyms

EINECS 203-061-3
phosphite de tributyle
MFCD00009437
tri-n-butyl phosphite
Tributyl phosphite
Phosphorous Acid Tributyl Ester
Tributoxyphosphine
Phosphorous acid, tributyl ester
Butyl phosphite
Phosphorous acid,tributyl ester
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