PAC Database - Detailed Chemical Data
Chemical Identity
| Chemical | CAS# | UN# | Health Code Numbers | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Boric acid, tributyl ester; (Tri-n-butyl borate) | 688-74-4 |
15.01
15.02
11.01
8.00
7.01
|
||||||||||
| Formula | Synonyms | |||||||||||
| C12.H27.B.O3 | TRIBUTYL BORATE, BORESTER, BORESTER 2, BORIC ACID TRIBUTYL ESTER, BORIC ACID, TRIBUTYL ESTER, BORON TRI-N-BUTOXIDE, BORON TRIBUTOXIDE, BORON TRIS(BUTOXIDE), BUTYL BORATE, BUTYLBORATE, N-BUTYL BORATE, TRI-N-BUTOXYBORANE, TRI-N-BUTYL BORATE, TRIBUTOXYBORANE, TRIBUTOXYBORON, TRIBUTYL ORTHOBORATE, TRIS(BUTOXY)BORANE | |||||||||||
Physical Properties
| Mol Wt | State | MP (°C) | BP (°C) | VP (Hg) | VP (°C) | SG | LEL (ppm) |
|---|---|---|---|---|---|---|---|
| 230.2 | L | 230 | 0.847 @ 20°C |
PAC Values
| PAC-1 | PAC-2 | PAC-3 |
|---|---|---|
| 3.5 | 39 | 230 |
| PAC-1 | PAC-2 | PAC-3 |
|---|---|---|
| 0.37 | 4.1 | 24 |
Technical Basis
A review of available sources identified mouse acute toxicity data (LD50, LDLo) for oral and intraperitoneal routes. Data sources were selected according to the hierarchy listed in Table 3.1. Toxicity data were selected according to type of exposure, species, and route according to the hierarchies stated in Sections 3.3.1, 3.3.2, and evaluated using factors in Tables 3.2, 3.3, and 3.4. The most preferred data, a mouse oral LD50, was selected as the TEEL-3 basis. TEEL-1 and TEEL-2 values were derived according to Table 3.5.
• PAC-1 = TEEL-1 = TEEL-2/11
• PAC-2 = TEEL-2 = TEEL-3/6
• PAC-3 = TEEL-3 = Mouse oral LD50 (2150 mg/kg)
This review generated PAC values that are consistent with Rev. 29A*.
• PAC-1 = TEEL-1 = TEEL-2/11
• PAC-2 = TEEL-2 = TEEL-3/6
• PAC-3 = TEEL-3 = Mouse oral LD50 (2150 mg/kg)
This review generated PAC values that are consistent with Rev. 29A*.
References
Chemical information: https://pubchem.ncbi.nlm.nih.gov/compound/Tributyl-borate.
Mouse oral LD50: Boron, Metallo-Boron Compounds and Boranes, Adams, R.M., ed., New York, John Wiley & Sons, Inc., 1964, -(693), 1964. Retrieved from: https://pubchem.ncbi.nlm.nih.gov/compound/Tributyl-borate.