Hydroquinone

Hydroquinone Basic information

Product Name:

Hydroquinone

Synonyms:

Hydroquinone, 99.5%, 99.5%;Hydrochinone 0;Hydroquinone ReagentPlus(R), >=99.5%;HYDROQUINONE GPR RECTAPUR;PHOTO GRADE Hydroquinone;HYDROQUINONE PHOTO GRADE 99%;p-Benzediel p-Dihydroxybenzene Hydroquinol 1,4-Benzenediol 1,4-Dihydroxybenzene Quinol;Hydroquinone, p.a.

CAS:

123-31-9

MF:

C6H6O2

MW:

110.11

EINECS:

204-617-8

Product Categories:

PINDAC;Intermediates of Dyes and Pigments;Redox Catalysts (Environmentally-friendly Oxidation);Environmentally-friendly Oxidation;Synthetic Organic Chemistry;Aromatics;Building Blocks;Chemical Synthesis;Nutrition Research;Organic Building Blocks;Oxygen Compounds;Phytochemicals by Plant (Food/Spice/Herb);Polyols;Vaccinium myrtillus (Bilberry);corrosion inhibitor

Mol File:

123-31-9.mol

 

Hydroquinone Chemical Properties

Melting point 

172-175 °C(lit.)

Boiling point 

285 °C(lit.)

density 

1.32

vapor density 

3.81 (vs air)

vapor pressure 

1 mm Hg ( 132 °C)

Fp 

165 °C

storage temp. 

Refrigerator

solubility 

H₂O: 50 mg/mL, clear

pka

10.35(at 20℃)

form 

Needle-Like Crystals or Crystalline Powder

color 

White to off-white

Water Solubility 

70 g/L (20 ºC)

Sensitive 

Air & Light Sensitive

Merck 

14,4808

BRN 

605970

Stability:

Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, oxygen, ferric salts. Light and air-sensitive. Discolours in air.

CAS DataBase Reference

123-31-9(CAS DataBase Reference)

NIST Chemistry Reference

Hydroquinone(123-31-9)

EPA Substance Registry System

1,4-Benzenediol(123-31-9)

 

Safety Information

Hazard Codes 

Xn,N

Risk Statements 

22-40-41-43-50-68-R68-R50-R43-R41-R40-R22

Safety Statements 

26-36/37/39-61-S61-S36/37/39-S26

RIDADR 

2662

WGK Germany 

3

RTECS 

MX3500000

TSCA 

Yes

HazardClass 

9

PackingGroup 

III

HS Code 

29072210

Hazardous Substances Data

123-31-9(Hazardous Substances Data)