5146-66-7

Name 3,7-Dimethyl-2,6-octadienenitrile
CAS 5146-66-7
EINECS(EC#) 225-918-0
Molecular Formula C10H15N
MDL Number MFCD00001926
Molecular Weight 149.23
MOL File 5146-66-7.mol
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Chemical Properties

Appearance CLEAR YELLOW LIQUID
Boiling point  110 °C1.3 mm Hg(lit.)
density  0.853 g/mL at 25 °C(lit.)
vapor pressure  3.7-4.82Pa at 20-25℃
refractive index  n20/D 1.475(lit.)
Fp  >230 °F
storage temp.  Sealed in dry,Room Temperature
form  clear liquid
color  A colourless or very pale yellow liquid.
Specific Gravity 0.866
Odor at 10.00 % in dipropylene glycol. citrus lemon nitrile aldehydic metallic
Odor Type citrus
Water Solubility  SLIGHTLY SOLUBLE
Henry's Law Constant 2.9×10-2 mol/(m3Pa) at 25℃, Helburn et al. (2008)
LogP 2.7-3.47 at 35℃
CAS DataBase Reference 5146-66-7(CAS DataBase Reference)
EPA Substance Registry System 5146-66-7(EPA Substance)

Safety Data

Symbol(GHS)  Skull and Crossbones (GHS06)Health Hazard (GHS08)Environment (GHS09)
GHS06,GHS08,GHS09
Signal word  Danger
Hazard statements  H330-H341-H411
Precautionary statements  P260-P284-P310-P273-P281
Hazard Codes  Xn,N
Risk Statements 
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R68:Possible risk of irreversible effects.
R20/21:Harmful by inhalation and in contact with skin .
Safety Statements 
S36/37:Wear suitable protective clothing and gloves .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
RIDADR  UN 3082 9/PG 3
WGK Germany  1
RTECS  RG5370000
TSCA  TSCA listed
REACH Registrations Active
HS Code  29269095
Toxicity
The acute oral LD50 value in rats was reported as 31 g/kg and the acute dermal LD50 value in rabbits as 4.3 g/kg (Wohl. 1974).

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Hazard Information

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