Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Substance profile

Benquinox

Benquinox is yellow-brown powder; yellow crystals from ethanol.

CAS 495-73-8 C13H11N3O2 241.24 g/mol Danger

01 · Identification

What Benquinox is

Benquinox is yellow-brown powder; yellow crystals from ethanol. Its molecular formula is C13H11N3O2 and its molecular weight is 241.24 g/mol.

Under the GHS it carries the signal word Danger.

CAS number495-73-8
EC number207-807-9
Index number650-006-00-8
Molecular formulaC13H11N3O2
Molecular weight241.24 g/mol

Other names for Benquinox

  • benquinox (ISO)
  • p-benzoquinone 1-benzoylhydrazone 4-oxime

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordDanger
Hazard statements assigned to Benquinox
CodeHazard statement
H301 Toxic if swallowed.
H312 Harmful in contact with skin.

Precautionary statements: P270, P280, P301, P302, P310, P312, P330, P352

This page lists only the codes assigned to Benquinox. The full reference lives on the hazard statements hub, the precautionary statements hub and the GHS pictograms hub.

03 · Physical and chemical properties

Benquinox properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Solubility IN WATER 5 PPM; SOL IN ORGANIC SOLVENTS HSDB
SOL IN FORMAMIDE HSDB

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

Safety Data Sheet

Getting an SDS for Benquinox

A Safety Data Sheet is written for a product, not for a substance: the supplier of the grade you actually buy issues it, so two suppliers of Benquinox issue two different sheets. That is why there is no single authoritative SDS for a substance to download — what there is, is the job of collecting the sheets for the products you hold and keeping them current as suppliers revise them.

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