8.02358

Isobutyl chloroformate

for synthesis

• Synonym(s): Isobutyl chloroformate, Chloroformic acid isobutyl ester
• Linear Formula: ClCOOCH₂CH(CH₃)₂
• CAS Number: 543-27-1
• Molecular Weight: 136.58
• MDL number: MFCD00000642
• UNSPSC Code: 12352108
• EC Index Number: 208-840-1
• NACRES: NA.22

Properties

• vapor pressure: 12 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥95.0% (GC)
• form: liquid
• potency: 1400 mg/kg LD₅₀, oral (Rat)
• reaction suitability: reaction type: Coupling Reactions
• transition temp: flash point 30 °C
• density: 1.05 g/cm³ at 20 °C
• application(s): peptide synthesis
• storage temp.: 15-25°C
• InChI: 1S/C5H9ClO2/c1-4(2)3-8-5(6)7/h4H,3H2,1-2H3
• InChI key: YOETUEMZNOLGDB-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 95.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.043 - 1.046
Identity (IR): passes test

Safety Information

• Pictograms: GHS02,GHS05,GHS06
• Signal Word: Danger
• Hazard Statements: H226 - H302 - H314 - H330
• Precautionary Statements: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 96.8 °F - closed cup
• Flash Point(C): 36 °C - closed cup