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4-Ethynyltoluene Structure

4-Ethynyltoluene

Chemical Properties

Melting point 168-170
Boiling point 168-170 °C(lit.)
Density  0.916 g/mL at 25 °C(lit.)
refractive index  n20/D 1.547(lit.)
Flash point 120 °F
storage temp.  Sealed in dry,2-8°C
form  Liquid
color  Clear pale yellow
Specific Gravity 0.916
Water Solubility  Insoluble in water.
BRN  969653
InChIKey KSZVOXHGCKKOLL-UHFFFAOYSA-N
CAS DataBase Reference 766-97-2(CAS DataBase Reference)
EWG's Food Scores 1
NIST Chemistry Reference Benzene, 1-ethynyl-4-methyl-(766-97-2)

Safety

Symbol(GHS) GHS hazard pictogramsGHS hazard pictograms
Signal wordWarning
Hazard statements H226-H315-H319-H335
Precautionary statements P210-P302+P352-P305+P351+P338
Hazard Codes  Xi,Xn
Risk Statements  10-36/37/38
Safety Statements  16-26-27-36/37/39
RIDADR  UN 3295 3/PG 3
WGK Germany  3
RTECS  XT2570000
Hazard Note  Irritant/Keep Cold
HazardClass  3
PackingGroup  III
HS Code  29029090
NFPA 704:
2
2 0

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