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13-1940

Sigma-Aldrich

Hydrochinon

SAJ first grade, ≥99.0%

Synonym(e):

1,4-Dihydroxy-benzol, p-Dioxybenzol

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About This Item

Lineare Formel:
C6H4-1,4-(OH)2
CAS-Nummer:
123-31-9
Molekulargewicht:
110.11
Beilstein:
605970
EG-Nummer:
204-617-8
MDL-Nummer:
MFCD00002339
UNSPSC-Code:
12352002
PubChem Substanz-ID:
329750096

Qualität

SAJ first grade

Dampfdichte

3.81 (vs air)

Dampfdruck

1 mmHg ( 132 °C)

Assay

≥99.0%

Form

crystalline

Selbstzündungstemp.

930 °F

Verfügbarkeit

available only in Japan

pH-Wert

3.7 (70 g/L)

bp

285 °C (lit.)

mp (Schmelzpunkt)

172-175 °C (lit.)

Löslichkeit

water: soluble 50 g/L

SMILES String

Oc1ccc(O)cc1

InChI

1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H

InChIKey

QIGBRXMKCJKVMJ-UHFFFAOYSA-N

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Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Dam. 1 - Muta. 2 - Skin Sens. 1B

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

329.0 °F - closed cup

Flammpunkt (°C)

165 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Yaqi Hu et al.
Biosensors & bioelectronics, 47, 45-49 (2013-04-03)
A novel light "on-off" photoelectrochemical sensing for the sensitive determination of hydroquinone was developed based on the porphyrin-functionalized Au nanoparticles on graphene (porphyrin/AuNPs/graphene). Gold nanoparticles (AuNPs) were firstly modified onto graphene sheets using NaBH4 as reductant and the porphyrin/AuNPs/graphene nanocomposites
P Carbonnelle et al.
Toxicology and applied pharmacology, 132(2), 220-226 (1995-06-01)
Decreased interleukin-1 (IL-1) production by mononuclear phagocytes has been shown to contribute to benzene myelotoxicity in animals. The study presented here was designed to examine the relevance of this mechanism in humans. Fresh human blood monocytes were exposed to 0.001-10
Jacob Levitt
Journal of the American Academy of Dermatology, 57(5), 854-872 (2007-05-01)
Recently, the US Food and Drug Administration proposed a ban on over-the-counter hydroquinone mainly on the basis of high absorption, reports of exogenous ochronosis in humans, and murine hepatic adenomas, renal adenomas, and leukemia with large doses over extended time
Douglas McGregor
Critical reviews in toxicology, 37(10), 887-914 (2007-11-21)
The toxicology of hydroquinone has been reviewed on a number of previous occasions. This review targets its potential for carcinogenicity and possible modes of carcinogenic action. The evaluation made by IARC (1999) of its carcinogenic risk to humans was that
A P DeCaprio
Critical reviews in toxicology, 29(3), 283-330 (1999-06-24)
Hydroquinone (HQ) is a high-volume commodity chemical used as a reducing agent, antioxidant, polymerization inhibitor, and chemical intermediate. It is also used in over-the-counter (OTC) drugs as an ingredient in skin lighteners and is a natural ingredient in many plant-derived
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