Name: 1,2,4,5-tetrahydroxybenzene
SKU: 636-32-8

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Basic Information

Molecular Structure:
CAS No.:	636-32-8
Name:	1,2,4,5-tetrahydroxybenzene
Article Data:	36

Formula:	C₆H₆O₄
Molecular Weight:	142.111
Synonyms:	Benzene-1,2,4,5-tetrol;1,2,4,5-Tetrahydroxybenzene;
Density:	1.709 g/cm³
Melting Point:	210 °C
Boiling Point:	477.129 °C at 760 mmHg
Flash Point:	256.242 °C
PSA:	80.92000
LogP:	0.50900

Synthetic route

: 615-94-1
2,5-dihydroxy-1,4-benzoquinone

: 636-32-8
1,2,4,5-benzenetetrol

Conditions

Conditions	Yield
With hydrogenchloride; tin at 95℃; for 1h;	99%
With hydrogenchloride; tin In water for 1h; Reflux;	98%
With hydrogenchloride; tin	78%

: 123-31-9
hydroquinone

: 636-32-8
1,2,4,5-benzenetetrol

Conditions

Conditions	Yield
With tin In hydrogenchloride

Na2 S2 O4: Na2 S2 O4

: 615-94-1
2,5-dihydroxy-1,4-benzoquinone

: 636-32-8
1,2,4,5-benzenetetrol

Conditions

Conditions	Yield
With hydrogenchloride In water	2.00 g (14.07 mmol, 49.3%)

3.6-dibromo-2.5-dioxy-benzoquinone-(1.4): 3.6-dibromo-2.5-dioxy-benzoquinone-(1.4)

: 636-32-8
1,2,4,5-benzenetetrol

Conditions

Conditions	Yield
With potassium bisulfite
With hydrogenchloride; tin

: 72391-34-5
1,4-Benzochinon-2,5-di-(3-oxypropansaeure)

: 636-32-8
1,2,4,5-benzenetetrol

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: aq. NaOH / 70 °C 2: H2 / Pd-C / ethanol View Scheme

2,5-dihydroxy-benzoquinone-(1,4): 2,5-dihydroxy-benzoquinone-(1,4)

: 636-32-8
1,2,4,5-benzenetetrol

Conditions

Conditions	Yield
With sodium dithionite
With hydrogenchloride; palladium on activated charcoal; carbon monoxide

2.5-dioxy-benzoquinone-(1.4): 2.5-dioxy-benzoquinone-(1.4)

: 636-32-8
1,2,4,5-benzenetetrol

Conditions

Conditions	Yield
With hydrogenchloride; tin(ll) chloride

: 4370-59-6
bromanilic acid

: 7732-18-5
water

KHSO3: KHSO3

: 636-32-8
1,2,4,5-benzenetetrol

...Expand

: 7647-01-0
hydrogenchloride

: 4370-59-6
bromanilic acid

tin: tin

: 636-32-8
1,2,4,5-benzenetetrol

...Expand

: 7647-01-0
hydrogenchloride

: 615-94-1
2,5-dihydroxy-1,4-benzoquinone

SnCl2: SnCl2

: 636-32-8
1,2,4,5-benzenetetrol

...Expand

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Specification

1,2,4,5-Benzenetetrol is an organic compound with the formula C₆H₆O₄, and its systematic name is the same with the product name. With the CAS registry number 636-32-8, it is also named as Benzene-1,2,4,5-tetrol. In addition, the molecular weight is 142.11.

Physical properties of 1,2,4,5-Benzenetetrol are: (1)ACD/LogP: -1.23; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.23; (4)ACD/LogD (pH 7.4): -1.23; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 5.10; (8)ACD/KOC (pH 7.4): 5.08; (9)#H bond acceptors: 4; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 80.92 Å²; (13)Index of Refraction: 1.747; (14)Molar Refractivity: 33.779 cm³; (15)Molar Volume: 83.153 cm³; (16)Polarizability: 13.391×10^-24cm³; (17)Surface Tension: 106.82 dyne/cm; (18)Density: 1.709 g/cm³; (19)Flash Point: 256.242 °C; (20)Enthalpy of Vaporization: 76.925 kJ/mol; (21)Boiling Point: 477.129 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: Oc1c(O)cc(O)c(O)c1
(2)Std. InChI: InChI=1S/C6H6O4/c7-3-1-4(8)6(10)2-5(3)9/h1-2,7-10H
(3)Std. InChIKey: UYQMSQMCIYSXOW-UHFFFAOYSA-N