123-31-9 hydroquinone

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Product Name	Hydroquinone
CAS No.	123-31-9
Synonyms	1,4-Benzenediol; Quinol; Hydroxyquinone; 1,4-Dihydroxybenzene; benzene-1,4-diol; 6,7-dihydroxy-2H-chromen-2-one; 1,4-Dihydroxy benzene; 1,4-Dihydroxy-benzol
InChI	InChI=1/C9H6O4/c10-6-3-5-1-2-9(12)13-8(5)4-7(6)11/h1-4,10-11H
Molecular Formula	C₆H₆O₂
Molecular Weight	110.11244
Density	1.32
Melting point	170-174℃
Boiling point	469.7°C at 760 mmHg
Flash point	201.4°C
Water solubility	70 g/L (20℃)
Refractive index	1.689
Hazard Symbols	Xn:Harmful; N:Dangerous for the environment;
Risk Codes	R22:; R40:; R41:; R43:; R50:; R68:;
Safety	S26:; S36/37/39:; S61:;