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Merck
CN

15628

Cap B (1-methylimidazole 10% in THF/pyridine 8 : 1)

filtered through a 1μm filter

Synonym(s):

1-Methylimidazole solution

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About This Item

Empirical Formula (Hill Notation):
C4H6N2
CAS Number:
616-47-7
Molecular Weight:
82.10
UNSPSC Code:
12352200
MDL number:
MFCD00005292

Key Documents

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quality

filtered through a 1μm filter

impurities

≤0.01% water

refractive index

n20/D 1.429

SMILES string

Cn1ccnc1

InChI

1S/C4H6N2/c1-6-3-2-5-4-6/h2-4H,1H3

InChI key

MCTWTZJPVLRJOU-UHFFFAOYSA-N

Application

Reagent used in the phosphite triester method of oligonucleotide synthesis for the capping of the remaining free 5′-hydroxyl groups by acetylation. Reagent is suitable for use on Biosearch 8000, Expedite, Cyclone synthesizers.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT SE 3

target_organs

Central nervous system, Respiratory system

supp_hazards

EUH019

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

6.1 °F

flash_point_c

-14.4 °C

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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