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About This Item
Linear Formula:
C6H4(=O)2
CAS Number:
Molecular Weight:
108.09
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
773967
grade
pharmaceutical primary standard
vapor density
3.73 (vs air)
vapor pressure
0.1 mmHg ( 25 °C)
autoignition temp.
815 °F
manufacturer/tradename
USP
mp
113-115 °C (lit.)
application(s)
pharmaceutical (small molecule)
format
neat
SMILES string
O=C1C=CC(=O)C=C1
InChI
1S/C6H4O2/c7-5-1-2-6(8)4-3-5/h1-4H
InChI key
AZQWKYJCGOJGHM-UHFFFAOYSA-N
General description
1,4-Benzoquinone, also known as para-quinone, is a benzene derivative with cyclic dienedione structure.
This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, have been developed and issued under the Authority of the issuing Pharmacopoeia.
1,4-Benzoquinone is a dark yellow powder having a green cast. It is slightly soluble in water and soluble in alcohol, in ether, and in fixed alkali solutions. It may darken on standing.
This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, have been developed and issued under the Authority of the issuing Pharmacopoeia.
1,4-Benzoquinone is a dark yellow powder having a green cast. It is slightly soluble in water and soluble in alcohol, in ether, and in fixed alkali solutions. It may darken on standing.
Application
The USP pharmaceutical reference standard is intended for use in analytical or laboratory applications as specified in USP compendia.
Also ideal for use as a primary reference standard in the following tests or assays according to USP General Chapter <11>:
Also ideal for use as a primary reference standard in the following tests or assays according to USP General Chapter <11>:
- pure steam
- water for injection
- sterile water for inhalation
- sterile water for injection
- sterile water for irrigation
- purified water
- sterile purified water
- water for hemodialysis
- <643>total organic carbon
Analysis Note
These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.
Other Notes
Sales restrictions may apply.
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Danger
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Flam. Sol. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
Storage Class
4.1B - Flammable solid hazardous materials
flash_point_f
170.6 °F - closed cup
flash_point_c
77 °C - closed cup
Regulatory Information
危险化学品
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 1056504-200MG | 04061833742099 |




