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Hydroquinone Dimethyl Ether Structure

Hydroquinone Dimethyl Ether

Chemical Properties

Melting point 54-56 °C(lit.)
Boiling point 213 °C(lit.)
Density  1.053 g/mL at 25 °C(lit.)
vapor density  4.8 (vs air)
vapor pressure  <1 mm Hg ( 20 °C)
refractive index  1.5231 (estimate)
FEMA  2386 | P-DIMETHOXYBENZENE
Flash point 98 °C
storage temp.  Sealed in dry,Room Temperature
solubility  dioxane: 0.1 g/mL, clear
form  Crystalline Powder, Crystals, or Flakes
color  White
Specific Gravity 1.053
PH 7 (H2O, 20℃)(saturated solution)
Odor at 1.00 % in dipropylene glycol. sweet green new mown hay fennel
Odor Type green
explosive limit 1.2-5.6%(V)
Water Solubility  0.8 g/l (20 ºC)
Sensitive  Light Sensitive
JECFA Number 1250
BRN  774605
Dielectric constant 4.5(23℃)
Stability Stable. Combustible. Incompatible with strong oxidizing agents.
LogP 2.08 at 20℃
Substances Added to Food (formerly EAFUS) P-DIMETHOXYBENZENE
CAS DataBase Reference 150-78-7(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 24WC6T6X0G
NIST Chemistry Reference Benzene, 1,4-dimethoxy-(150-78-7)
EPA Substance Registry System p-Dimethoxybenzene (150-78-7)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319
Precautionary statements P280g-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-24/25
WGK Germany  1
RTECS  CZ6650000
Autoignition Temperature 1463 °F
TSCA  Yes
HS Code  29093090
Hazardous Substances Data 150-78-7(Hazardous Substances Data)
NFPA 704:
1
2 0

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