QUINHYDRONE

Synonyms. Quinhydrone; Chinhydron; Compounf(2,5-cyclohexadiene-1,4-dione, 1,4-benzenediol); Complex(hydroquinone, benzoquinone); p-Benzoquinone-hydroquinone compound; Green hydroquinone; p-Benzoquinhydrone;

QUINHYDRONE

Click for original image

 

PRODUCT IDENTIFICATION

CAS RN

106-34-3

EINECS RN

203-387-6

FORMULA

C6H4(OH)2·C6H4O2

MOLE WEIGHT

218.21

H.S CODE

2914.69.9000

SMILES

c1(ccc(O)cc1)O.C1(C=CC(=O)C=C1)=O

CLASSIFICATION

Benzoquinone

EXTRA NOTES

 

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE.

white to off-white crystalline powder

MELTING POINT

167 ~ 172 C

BOILING POINT

 

DENSITY

 

SOLUBILITY IN WATER

4080 mgl

SOLVENT SOLUBILITY

 

VAPOR DENSITY

 

log P(octanol-water)

 

VAPOR PRESSURE

9.84E-09 mm Hg

AUTOIGNITION TEMP

 
pK

 

REFRACTIVE INDEX

 

FLASH POINT

 

 

STABILITY AND REACTIVITY
STABILITY Stable under normal conditions.

INCOMPATIBLE MATERIALS

Strong oxidizing agents

POLYMERIZATION

Has not been reported

NFPA RATINGS

Health: 2, Flammability: 0, Reactivity: 0

 

EXTERNAL LINKS & GENERAL DESCRIPTION

USA.gov - Quinhydrone

Google Scholar Search - Quinhydrone

U.S. National Library of Medicine - Quinhydrone

PubChem Compound Summary - Quinhydrone

http://www.ebi.ac.uk/chebi/ -  Quinhydrone

http://www.ncbi.nlm.nih.gov/ -  Quinhydrone

Material Safety Data Sheet - Quinhydrone

EPA - Substance Registry Services - Quinhydrone

 

SALES SPECIFICATION

APPEARANCE

dark green powder

ASSAY

98% min (Hydroquinine:Benzoquinine, 1:1)

MELTING POINT

167 ~ 172 C

 

TRANSPORT & REGULATORY INFORMATION

UN NO.

2811

HAZARD CLASS

6.1

PACKING GROUP III

 

SAFETY INFORMATION

HAZARD OVERVIEW

GHS (Globally Harmonised System) Classification: Acute toxicity (Oral). Skin irritation. Eye irritation. Specific target organ toxicity - single exposure. Hazard statements: Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

SIGNAL WORD Danger

PICTOGRAMS

PICTOGRAM_GHS06_skull.jpg

HAZARD STATEMENTS

H301-H315-H319-H335

P STATEMENTS

P261-P-301-P310-P305 + P351 + P338

EC DIRECTIVES

 

HAZARD CODES

CODE_Xn_Xi_harmful_Irritant.gif

RISK PHRASES

22-36/37/38

SAFETY PHRASES

26-36

 

PACKING

Preserved in light-resistant and well-closed bottles