Quinhydrone, 97%, Thermo Scientific Chemicals

Product Code	Brand	Quantity
11472668	Thermo Scientific Alfa Aesar A16681.14	25 g
11482668	Thermo Scientific Alfa Aesar A16681.22	100 g

Description

Used to measure the hydrogen ion concentration (pH) of a solution in a chemical experiment. It provides an alternative to the commonly used glass electrode in a pH meter.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Used to measure the hydrogen ion concentration (pH) of a solution in a chemical experiment. It provides an alternative to the commonly used glass electrode in a pH meter.

Solubility
Slightly soluble in water 4 g/L (20°C).

Notes
Air & Light Sensitive. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents.

Chemical Identifiers

• CAS: 106-34-3
• Molecular Weight (g/mol): 218.21
• InChI Key: BDJXVNRFAQSMAA-UHFFFAOYSA-N
• PubChem CID: 7801
• IUPAC Name: benzene-1,4-diol;cyclohexa-2,5-diene-1,4-dione

• Molecular Formula: C12H10O4
• MDL Number: MFCD00010310
• Synonym: quinhydrone, green hydroquinone, p-benzoquinhydrone, chinhydron, chinhydron czech, unii-p4a66lq3qj, hydroquinone, compd. with p-benzoquinone, p-benzoquinone, compd. with hydroquinone, 2,5-cyclohexadiene-1,4-dione, compd. with 1,4-benzenediol 1:1, p-benzoquinone-hydroquinone compound 1:1
• ChEBI: CHEBI:26491
• SMILES: OC1=CC=C(O)C=C1.O=C1C=CC(=O)C=C1

Specifications

• CAS: 106-34-3
• Density: 1.4
• MDL Number: MFCD00010310
• Beilstein: 3919222
• Merck Index: 14,8058
• Solubility Information: Slightly soluble in water 4g/L (20°C).
• SMILES: OC1=CC=C(O)C=C1.O=C1C=CC(=O)C=C1
• Molecular Weight (g/mol): 218.21
• ChEBI: CHEBI:26491
• Percent Purity: 97%

• Melting Point: 168°C to 171°C
• Molecular Formula: C12H10O4
• UN Number: UN2811
• Sensitivity: Air and light sensitive
• Synonym: quinhydrone, green hydroquinone, p-benzoquinhydrone, chinhydron, chinhydron czech, unii-p4a66lq3qj, hydroquinone, compd. with p-benzoquinone, p-benzoquinone, compd. with hydroquinone, 2,5-cyclohexadiene-1,4-dione, compd. with 1,4-benzenediol 1:1, p-benzoquinone-hydroquinone compound 1:1
• InChI Key: BDJXVNRFAQSMAA-UHFFFAOYSA-N
• IUPAC Name: benzene-1,4-diol;cyclohexa-2,5-diene-1,4-dione
• PubChem CID: 7801
• Formula Weight: 218.21
• Chemical Name or Material: Quinhydrone

Safety and Handling

GHS H Statement
H301-H315-H319-H335
Toxic if swallowed.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

P261-P264b-P270-P271-P280-P301+P310-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P362-P501c

H301-H315-H319-H335

missing translation for 'dotInformation' : Transport Hazard Class: 6.1; Packing Group: III; Proper Shipping Name: TOXIC SOLIDS, ORGANIC, N.O.S.

missing translation for 'einecsNumber' : 203-387-6

missing translation for 'rtecsNumber' : VA4550000

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures; Store under Nitrogen

RUO – Research Use Only