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8.02358

Sigma-Aldrich

Isobutyl chloroformate

for synthesis

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Synonym(s):
Isobutyl chloroformate, Chloroformic acid isobutyl ester
Linear Formula:
ClCOOCH2CH(CH3)2
CAS Number:
Molecular Weight:
136.58
MDL number:
EC Index Number:
208-840-1

vapor pressure

12 hPa ( 20 °C)

Quality Level

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

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8.182038.205578.00881
Isobutyl acetate for synthesis

Sigma-Aldrich

8.20557

Isobutyl acetate

Ethyl chloroformate for synthesis

Sigma-Aldrich

8.00881

Ethyl chloroformate

assay

≥95.0% (GC)

assay

-

assay

≥98% (GC)

assay

-

form

liquid

form

powder

form

liquid

form

liquid

transition temp

flash point 30 °C

transition temp

-

transition temp

flash point 18 °C

transition temp

flash point 16 °C

density

1.05 g/cm3 at 20 °C

density

-

density

0.87 g/cm3 at 20 °C

density

1.14 g/cm3 at 20 °C, 1.135 g/mL at 25 °C (lit.)

application(s)

peptide synthesis

application(s)

peptide synthesis

application(s)

-

application(s)

-

Analysis Note

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

Signal Word

Danger

Hazard Statements

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


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