T7742630
Butyllithium (ca. 15% in Hexane, ca. 1.6mol/L) , 109-72-8
Synonym(s):
n-BuLi;Butyl lithium;Butyllithium solution;Lithium-1-butanide
CAS NO.：109-72-8
Empirical Formula: C4H9Li
Molecular Weight: 64.06
MDL number: MFCD00009414
EINECS: 203-698-7
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -95 °C |
| Boiling point: | 80 °C |
| Density | 0.68 g/mL at 20 °C |
| Flash point: | 10 °F |
| storage temp. | 2-8°C |
| solubility | Miscible with diethyl ether and cyclohexane. |
| form | liquid |
| color | yellow |
| Specific Gravity | 0.695 |
| Odor | Odor of the solvent |
| Water Solubility | vigorous reaction |
| Hydrolytic Sensitivity | 8: reacts rapidly with moisture, water, protic solvents |
| Sensitive | Air & Moisture Sensitive |
| BRN | 1209227 |
| Exposure limits | ACGIH: TWA 50 ppm (Skin) OSHA: TWA 500 ppm(1800 mg/m3) NIOSH: IDLH 1100 ppm; TWA 50 ppm(180 mg/m3) |
| LogP | 1.25-2.31 |
| CAS DataBase Reference | 109-72-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Butyl lithium(109-72-8) |
| EPA Substance Registry System | Lithium, butyl- (109-72-8) |
Description and Uses
n-Butyllithium is a strong nucleophile in the synthetic organic chemistry. It is also used as an initiator in the polymerization process.
Safety
| Symbol(GHS) |      GHS02,GHS05,GHS07,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H225-H250-H261-H304-H314-H336-H361f-H373-H411-H260-H361d-H410-H252-H318-H332-H401-H361 |
| Precautionary statements | P210-P222-P231+P232-P261-P273-P422-P223-P370+P378-P280-P301+P310-P302+P334-P303+P361+P353-P304+P340+P310-P305+P351+P338-P331-P201-P301+P310a-P405-P422a-P501a-P262 |
| Hazard Codes | F,C,N |
| Risk Statements | 14/15-17-34-48/20-51/53-62-65-67-63-35-11-15-50/53-66 |
| Safety Statements | 6-9-16-26-36/37/39-45-61-62-6A-46-43B-43-60-33-29-5 |
| RIDADR | UN 3399 4.3/PG 1 |
| WGK Germany | 3 |
| F | 3-10 |
| TSCA | Yes |
| HazardClass | 4.3 |
| PackingGroup | I |
| HS Code | 29319090 |
| Toxicity | There is little toxicity data available for the butyllithiums; for data on ether and hydrocarbon solvents, see the appropriate LCSSs. |
