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Iodomethane Structure

Iodomethane

Chemical Properties

Melting point −64(lit.)
Boiling point 41-43 °C
Density  2.28 g/mL at 25 °C(lit.)
vapor density  4.89 (vs air)
vapor pressure  24.09 psi ( 55 °C)
refractive index  n20/D 1.530
Flash point −18 °F
storage temp.  2-8°C
solubility  water: soluble14g/L at 20°C
form  Liquid
Specific Gravity 2.280
color  Clear
PH 5.2 (H2O, 25℃)
Odor Sweet, ethereal odor
Water Solubility  14 g/L (20 ºC)
Sensitive  Light Sensitive
Merck  14,6087
BRN  969135
Henry's Law Constant 5.06 at 21 °C (Gan and Yates, 1996)
Exposure limits TLV-TWA 2 ppm (~11 mg/m3) (ACGIH), 5 ppm (MSHA and OSHA); carcinogenicity: Animal Limited Evidence (IARC), Suspected Human Carcinogen.
Stability Light Sensitive
CAS DataBase Reference 74-88-4(CAS DataBase Reference)
EWG's Food Scores 5
FDA UNII DAT010ZJSR
Proposition 65 List Methyl Iodide
IARC 3 (Vol. 41, Sup 7, 71) 1999
NIST Chemistry Reference Methyl iodide(74-88-4)
EPA Substance Registry System Methyl iodide (74-88-4)
Pesticides Freedom of Information Act (FOIA) Iodomethane

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H226-H301+H331-H312-H315-H319-H335-H351-H410
Precautionary statements P210-P273-P280-P301+P310-P303+P361+P353-P304+P340+P311
Hazard Codes  T,F,Xn
Risk Statements  21-23/25-37/38-40-11-39/23/24/25-23/24/25-38-20/22
Safety Statements  36/37-38-45-9-24-16-7-60-36/37/39-33-23-20-4
RIDADR  UN 2644 6.1/PG 1
WGK Germany  1
RTECS  PA9450000
8
TSCA  Yes
HazardClass  6.1
PackingGroup  I
HS Code  29033990
Hazardous Substances Data 74-88-4(Hazardous Substances Data)
Toxicity LD50 orally in rats: 76 mg/kg; LD50 s.c. in mice: 0.78 mmoles/kg (IARC, 1986)
IDLA 100 ppm
NFPA 704:
1
2 1

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Iodomethane Chemical Properties,Usage,Production

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