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hydroquinone

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Hydroquinone
Hydroquinone
Hydroquinone
Names
Preferred IUPAC name
Benzene-1,4-diol
Other names
Hydroquinone
Identifiers
3D model (JSmol)
605970
ChEBI
ChEMBL
ChemSpider
DrugBank
EC Number
  • 204-617-8
2742
KEGG
RTECS number
  • MX3500000
UNII
UN number 3077, 2662
  • InChI=1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H checkY
    Key: QIGBRXMKCJKVMJ-UHFFFAOYSA-N checkY
  • InChI=1/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H
    Key: QIGBRXMKCJKVMJ-UHFFFAOYAX
  • c1cc(ccc1O)O
Properties
C6H6O2
Molar mass 110.112 g·mol−1
Appearance White solid
Density 1.3 g cm−3, solid
Melting point 172 °C (342 °F; 445 K)
Boiling point 287 °C (549 °F; 560 K)
5.9 g/100 mL (15 °C)
Vapor pressure 10−5 mmHg (20 °C)
Acidity (pKa) 9.9
−64.63×10−6 cm3/mol
Structure
1.4±0.1 D
Pharmacology
D11AX11 (WHO)
Hazards
GHS labelling:
GHS05: CorrosiveGHS07: Exclamation markGHS08: Health hazardGHS09: Environmental hazard
Danger
H302, H317, H318, H341, H351, H400
P201, P202, P261, P264, P270, P272, P273, P280, P281, P301+P312, P302+P352, P305+P351+P338, P308+P313, P310, P321, P330, P333+P313, P363, P391, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability (yellow): no hazard codeSpecial hazards (white): no code
2
1
Flash point 165 °C (329 °F; 438 K)
Lethal dose or concentration (LD, LC):
490 mg/kg (mammal, oral)
245 mg/kg (mouse, oral)
200 mg/kg (rabbit, oral)
320 mg/kg (rat, oral)
550 mg/kg (guinea pig, oral)
200 mg/kg (dog, oral)
70 mg/kg (cat, oral)
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 2 mg/m3
REL (Recommended)
 C 2 mg/m3 [15-minute]
IDLH (Immediate danger)
 50 mg/m3
Related compounds
Related benzenediols
 Pyrocatechol
Resorcinol
Related compounds
 1,4-benzoquinone
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Angol


Főnév

hydroquinone (tsz. hydroquinones)

  1. (gyógyszertan) hidrokinon

További információk

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