Hydroquinone

Name: Hydroquinone
Brand: chemicalbook
SKU: 123-31-9

$13 - $1090

Synonyms

HYDROQUINONE;AKOS BBS-00004220;hydroquinone--1,4-benzenediol ;Melanex;NCI-C55834;para-dihydroxybenzene ;para-dioxybenzene ;para-hydroquinone

Price

Brand	Packaging	Price	Product name
AK Scientific J92715	500g	$71	Hydroquinone
Alfa Aesar A11411	5000g	$279	Hydroquinone, 99%
Alfa Aesar A11411	1000g	$76.5	Hydroquinone, 99%
Alfa Aesar A11411	250g	$29.4	Hydroquinone, 99%
BroadPharm BP-21160	5G	$25	HYDROQUINONE
Chem-Impex 42405	25G	$14.56	Hydroquinone,99%(Assaybytitration)
Chem-Impex 42405	500G	$39.2	Hydroquinone,99%(Assaybytitration)
DC Chemicals DCZ-231	20mg	$280	Hydroquinone
Frontier Specialty Chemicals JK932420	500g	$40	Hydroquinone
Frontier Specialty Chemicals JK932420	25g	$13	Hydroquinone

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Melting point	172-175 °C(lit.)
Boiling point	285 °C(lit.)
Density	1.32
vapor density	3.81 (vs air)
vapor pressure	1 mm Hg ( 132 °C)
refractive index	1.6320
Flash point	165 °C
storage temp.	Store below +30°C.
solubility	H₂O: 50 mg/mL, clear
pka	10.35(at 20℃)
form	Needle-Like Crystals or Crystalline Powder
color	White to off-white
Odor	odorless
Water Solubility	70 g/L (20 ºC)
Sensitive	Air & Light Sensitive
Merck	14,4808
BRN	605970
Henry's Law Constant	(x 10^-9 atm?m³/mol): <2.07 at 20 °C (approximate - calculated from water solubility and vapor pressure)
Exposure limits	NIOSH REL: 15-min ceiling 2, IDLH 50; OSHA PEL: TWA 2; ACGIH TLV: TWA 2 (adopted).
Stability	Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, oxygen, ferric salts. Light and air-sensitive. Discolours in air.
InChIKey	QIGBRXMKCJKVMJ-UHFFFAOYSA-N
LogP	0.59 at 20℃
CAS DataBase Reference	123-31-9(CAS DataBase Reference)
IARC	3 (Vol. 15, Sup 7, 71) 1999
NIST Chemistry Reference	Hydroquinone(123-31-9)
EPA Substance Registry System	Hydroquinone (123-31-9)