117561  Hydroquinone

C₆H₆O₂

1,4-Dihydroxybenzene, Quinol

CAS-No. 123-31-9 EC-No. 204-617-8 HS-No. 2907221000 

M = 110.11g/mol Spec. density 1.358 g/cm³(20°C)

Ignition temp. 515 °C Flash point 165 °Cc.c.

Melting point 172 °C Boiling point 287 °C(1013 hPa)

   R 22-40-41-43-50-68 S 26-36/37/39-61 UN 2662

Hydroquinone  AR

Specification  Q/GDGH 232-2003

Assay

>=98.0%

Melting point, °C

170.0~173.0

Solubility in water

Pass

Chloride(Cl)

<=0.001%

Sulfate(SO₄)

<=0.01%

Heavy metals(as Pb)

<=0.001%

Catechol

Pass

Residue on ignition(as SO₄)

<=0.05%

Ord.No.

Packaging

Quantity

1.17561.016

Glass bottle

250 g

Hydroquinone  CP

Specification  Q/GDGH 232-2003

Assay

>=98.0%

Melting point, °C

170.0~173.0

Solubility in water