Quick Details CAS No.:123-31-9 Other Names:1,4-Dihydroxybenzene MF:C6H4(OH)2 EINECS ...    More ...

Quick Details
CAS No.:123-31-9
Other Names:1,4-Dihydroxybenzene
MF:C6H4(OH)2
EINECS No.:204-617-8
Type:Syntheses Material Intermediates
Purity:99%-101%
Application:Generally for photograph, dye etc
Appearance:White acicular crystal or crystal powder
color:white
Name:hydroquinone Hydroquinone
Product Name:
Hydroquinone

Synonyms:
1,4-Benzenediol; Quinol; Hydroxyquinone;1,4-Dihydroxybenzene; benzene-1,4-diol; naphthalene-1,4-diol; 6,7-dihydroxy-2H-chromen-2-one

CAS RN.:
123-31-9

EINECS:
204-617-8

Molecular Weight:
178.1415

Molecular Formula:
C9H6O4

Density:
1.563g/cm3

Melting Point(°C):
170-174°C

Boiling Point(°C):
469.7°C at 760 mmHg

Flash Point(°C):
201.4°C

refractive_index:
1.689

Water Solubility:
70 g/L (20°C)

 
Quality standard

1, Photo-taking grade(GB10552-89)
Index items
Index(%)

Appearance 
White needle crystal

Hydroquinone(HOC6H4OH) content
99.0~101.0

Melting point
171°C~175°C

Solubility 
Qualified

Residue on ignition≤
0.05

Heavy Metal(based on Pb)≤
0.002

Iron(Fe) ≤
0.002

2, Technical grade
Index items
Index(%)

Appearance 
Grey or yellowish powdery crystal

Hydroquinone(HOC6H4OH) content
≥99

Melting point
≥169.5

Residue on ignition
≤0.3



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