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Quinhydrone

Quinhydrone structure

CAS No:
106-34-3
Formula:
C6H6O2.C6H4O2
Chemical Name:
Quinhydrone
Synonyms:
2,5-Cyclohexadiene-1,4-dione,compd. with 1,4-benzenediol (1:1);p-Benzoquinone,compd. with hydroquinone (1:1);Benzoquinone,compd. with hydroquinone;Hydroquinone,compd. with p-benzoquinone (1:1);1,4-Benzenediol,compd. with 2,5-cyclohexadiene-1,4-dione (1:1);Quinhydrone;Green hydroquinone;p-Benzoquinone-hydroquinone compound (1:1);p-Benzoquinhydrone;β-Quinhydrone;NSC 36325
Categories:
Specialty Chemicals

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Description

green crystalline powder

Quinhydrone is an addition compound. It contains a 1,4-benzoquinone and a hydroquinone.

Quinhydrone Basic Attributes

Molecular Weight：

218.20500

Exact Mass：

218.05800

EC Number：

203-387-6

UNII：

P4A66LQ3QJ

NSC Number：

36325

DSSTox ID：

DTXSID9059337

HScode：

2907299090

Characteristics

PSA：

74.60000

XLogP3：

1.34840

Appearance：

green crystalline powder

Density：

1.4

Melting Point：

171 °C

Boiling Point：

285ºC

Flash Point：

141.6ºC

Refractive Index：

1.4270 (estimate)

Water Solubility：

4 g/L (20 ºC)

Vapor Pressure：

0.00157mmHg at 25°C

Toxicity：

LD50 orally in rats: 225 mg/kg (Woodward)

Safety Information

Packing level：

III

Hazard category：

6.1

Transport codes：

UN 2811

wgk germany：

hazard class code：

R22; R36/37/38; R50

safety instructions：

S26; S36; S61; S37/39; S29

RTECS Number：

VA4550000

Marks：

Xn; N

Stability/Shelf Life：

Stable. Incompatible with strong oxidizing agents.

Precautionary statement(s)：

P261-P301 + P310-P305 + P351 + P338

Hazard Statements：

H301-H315-H319-H335

GHS Classification：

|Danger|H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]|P261, P264, P270, P271, P273, P280, P301+P310, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P391, P403+P233, P405, and P501|Aggregated GHS information provided by 48 companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

quinhydrone

Quinhydrone Use and Manufacturing

Uses

In pH determinations (quinhydrone electrode).

Manufacturing Info：

2,5-Cyclohexadiene-1,4-dione, compd. with 1,4-benzenediol (1:1): ACTIVE

Computed Properties

Molecular Weight:218.20
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Exact Mass:218.05790880
Monoisotopic Mass:218.05790880
Topological Polar Surface Area:74.6
Heavy Atom Count:16
Complexity:204
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes

Material

Benzaldehyde

Quinone

Mesitylene

Toluene

Phenol

Hydroquinone

Ethanol

Acetic acid

Acetone

Benzene

Acetaldehyde

Hydrochloric acid

Sulfuric acid

Nitric acid

Ferric Chloride

Hydrogen peroxide

Sulfurous acid

Downstream Products

Quinone

Hydroquinone

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Quinhydrone

CAS No.: 106-34-3

Grade: Industrial Grade

Content: 99%

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