A4985712
Isobutyl chloroformate , 98% , 543-27-1
Synonym(s):
Chloroformic acid isobutyl ester;IBCF;Isobutyl chloroformate
CAS NO.：543-27-1
Empirical Formula: C5H9ClO2
Molecular Weight: 136.58
MDL number: MFCD00000642
EINECS: 208-840-1
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -80°C |
| Boiling point: | 128.8 °C(lit.) |
| Density | 1.053 g/mL at 25 °C(lit.) |
| vapor pressure | 0.33 mm Hg ( 20 °C) |
| refractive index | n |
| Flash point: | 82 °F |
| storage temp. | 2-8°C |
| solubility | benzene: miscible |
| form | Liquid |
| color | Clear |
| Water Solubility | Immiscible with water. |
| Sensitive | Moisture Sensitive |
| Merck | 14,5139 |
| BRN | 956590 |
| Dielectric constant | 9.2（20℃） |
| Stability: | Moisture Sensitive |
Description and Uses
Isobutyl chloroformate is used as a peptide reagent. It is also used in the preparation of phenethyl-carbamic acid isobutyl ester by reaction with phenethylamine.
Safety
| Symbol(GHS) |    GHS02,GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H226-H302-H314-H331 |
| Precautionary statements | P210-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | T |
| Risk Statements | 10-22-23-34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3390 6.1/PG 1 |
| WGK Germany | 2 |
| F | 10-19 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | I |
| HS Code | 29159000 |
| Toxicity | LD50 orally in Rabbit: 1400 mg/kg |
