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Merck
CN

I8504

Iodomethane

Synonym(s):

Methyl iodide

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About This Item

Empirical Formula (Hill Notation):
CH3I
CAS Number:
Molecular Weight:
141.94
EC Number:
200-819-5
UNSPSC Code:
12352103
MDL number:
Beilstein/REAXYS Number:
969135
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InChI

1S/CH3I/c1-2/h1H3

InChI key

INQOMBQAUSQDDS-UHFFFAOYSA-N

SMILES string

CI

vapor density

4.89 (vs air)

vapor pressure

24.09 psi ( 55 °C), 7.89 psi ( 20 °C)

contains

~0.3% metallic copper as preservative

refractive index

n20/D 1.531 (lit.)

mp

−64 (lit.)

density

2.28 g/mL at 25 °C (lit.)

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Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 2 - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

89.8 °F - closed cup

flash_point_c

32.1 °C - closed cup

ppe

Faceshields, Gloves, Goggles

Regulatory Information

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