1,4-Benzoquinone dioxime
- CAS NO.：105-11-3
- Empirical Formula: C6H6N2O2
- Molecular Weight: 138.12
- MDL number: MFCD00063636
- EINECS: 203-271-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:14:53
What is 1,4-Benzoquinone dioxime?
Chemical properties
pale yellow to brown crystals or powder
The Uses of 1,4-Benzoquinone dioxime
p-Benzoquinone dioxime was used in oxidative regeneration of a variety of carbonyl compounds from their oximes using superoxide ion generated in situ by the phase transfer reaction between potassium superoxide and 18-crown-6.
Definition
ChEBI: Para-Benzoquinone dioxime is a quinone imine.
General Description
Pale yellow crystals or brown powder.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
1,4-Benzoquinone dioxime is incompatible with strong oxidizers and strong acids.
Fire Hazard
Flash point data for 1,4-Benzoquinone dioxime are not available; however, 1,4-Benzoquinone dioxime is probably combustible.
Flammability and Explosibility
Flammable
Biochem/physiol Actions
p-Benzoquinone dioxime is sex-specific rat carcinogen inducing tumours of the urinary bladder in female rats and is a direct-acting mutagen in Salmonella typhimurium TA982.
Safety Profile
Moderately toxic by ingestion. Questionable carcinogen with experimental neoplastigenic and tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx,.
Properties of 1,4-Benzoquinone dioxime
| Melting point: | 243 °C (dec.)(lit.) |
| Boiling point: | 253.51°C (rough estimate) |
| Density | 1,49 g/cm3 |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.5100 (estimate) |
| Flash point: | °C |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | dioxane: soluble0.1g/10 mL, clear |
| form | Solid |
| pka | 9.12±0.20(Predicted) |
| color | White |
| Water Solubility | <0.01 g/100 mL at 22.5 ºC |
| BRN | 2043234 |
| Stability: | Stable. Incompatible with strong acids, strong oxidizing agents. |
| CAS DataBase Reference | 105-11-3(CAS DataBase Reference) |
| IARC | 3 (Vol. 29, Sup 7, 71) 1999 |
| NIST Chemistry Reference | 2,5-Cyclohexadiene-1,4-dione, dioxime(105-11-3) |
| EPA Substance Registry System | p-Quinone dioxime (105-11-3) |
Safety information for 1,4-Benzoquinone dioxime
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H341:Germ cell mutagenicity H351:Carcinogenicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P308+P313:IF exposed or concerned: Get medical advice/attention. P405:Store locked up. P501:Dispose of contents/container to..… |
Computed Descriptors for 1,4-Benzoquinone dioxime
| InChIKey | LNHURPJLTHSVMU-CGXWXWIYSA-N |
1,4-Benzoquinone dioxime manufacturer
JSK Chemicals
3Y
Phone:+91-9879767984
Whatsapp: +91-9879767970
product: 1,4-Benzoquinone dioxime, 95% 99%
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