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| CAS No.: | 575-44-0 |
|---|---|
| Name: | 1,6-Dihydroxynaphthalene |
| Molecular Structure: | |
|
|
|
| Formula: | C10H8O2 |
| Molecular Weight: | 160.172 |
| Synonyms: | 1,6-Dihydroxynaphthalene;2,5-Dihydroxynaphthalene;Naphthalene-1,6-diol;6-Hydroxy-1-naphthol;C.I. 76630;CCRIS 7894;Naphthalene, 1,6-dihydroxy-;2,5-Naphthalenediol; |
| EINECS: | 209-386-7 |
| Density: | 1.33 g/cm3 |
| Melting Point: | 130-133 °C(lit.) |
| Boiling Point: | 375.352 °C at 760 mmHg |
| Flash Point: | 193.545 °C |
| Appearance: | off-white powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36 |
| PSA: | 40.46000 |
| LogP: | 2.25100 |
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1,6-diacetoxynaphthalene
A
- 575-44-0
1,6-dihydroxynaphthalene
| Conditions | Yield |
|---|---|
| With lipase of Pseudomonas sp; water In various solvent(s) at 25℃; for 0.75h; Hydrolysis; deacetylation; | A n/a B n/a C 54% |
- 135-19-3
β-naphthol
A
- 581-43-1
2,6-Dihydroxynaphthalene
B
- 575-38-2
1,7-Dihydroxynaphthalene
C
- 575-44-0
1,6-dihydroxynaphthalene
D
- 582-17-2
2,7-Dihydroxynaphthalene
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide; hydrogen fluoride; antimony pentafluoride at -40℃; for 0.25h; Mechanism; Product distribution; | A 25.5% B 29% C 11% D 3.5% |
| With dihydrogen peroxide; hydrogen fluoride; antimony pentafluoride at -40℃; for 0.25h; | A 25.5% B 29% C 11% D 3.5% |
| Conditions | Yield |
|---|---|
| With sodium hydroxide at 260℃; unter Druck; |
- 871887-69-3
2-amino-5-hydroxy-naphthalene-1-sulfonic acid
- 575-44-0
1,6-dihydroxynaphthalene
| Conditions | Yield |
|---|---|
| at 240℃; bei der Kalischmelze unter Druck; |
| Conditions | Yield |
|---|---|
| With sodium hydrogensulfite anschliessendes Erhitzen mit wss. NaOH; |
| Conditions | Yield |
|---|---|
| at 240℃; bei der Kalischmelze unter Druck; | |
| Multi-step reaction with 2 steps 1: durch Kalischmelze 2: 240 °C / bei der Kalischmelze unter Druck View Scheme |
- 858464-85-4
2,5-dihydroxy-naphthalene-1-sulfonic acid
- 575-44-0
1,6-dihydroxynaphthalene
| Conditions | Yield |
|---|---|
| at 240℃; bei der Kalischmelze unter Druck; |
| Conditions | Yield |
|---|---|
| With hydrogen fluoride; boron trifluoride; dihydrogen peroxide at -78℃; for 0.5h; Mechanism; Product distribution; other reagents, other temp.; |
- 119-79-9
5-aminonaphthalene-2-sulfonic acid
A
- 575-44-0
1,6-dihydroxynaphthalene
B
- 86-97-5
5-amino-2-naphthol
C
- 134-32-7
1-amino-naphthalene
| Conditions | Yield |
|---|---|
| at 260℃; im Autoklaven; |
- 575-44-0
1,6-dihydroxynaphthalene
| Conditions | Yield |
|---|---|
| With potassium carbonate at 260 - 270℃; |
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Specification
The 1,6-Dihydroxynaphthalene, with the CAS registry number 575-44-0, is also known as Naphthalene-1,6-diol. It belongs to the product categories of Intermediates of Dyes and Pigments; Fine Chemical & Intermediates; Naphthalene derivatives; API intermediates. Its EINECS number is 209-386-7. This chemical's molecular formula is C10H8O2 and molecular weight is 160.17. What's more, its systematic name is 1,6-Dihydroxynaphthalene. Its classification code is Mutation data. This chemical should be sealed and stored in a cool and dry place. Moreover, it should be protected from oxides. It is used as intermediates of dye and medicine.
Physical properties of 1,6-Dihydroxynaphthalene are: (1)ACD/LogP: 2.088; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.09; (4)ACD/LogD (pH 7.4): 2.08; (5)ACD/BCF (pH 5.5): 22.73; (6)ACD/BCF (pH 7.4): 22.22; (7)ACD/KOC (pH 5.5): 325.54; (8)ACD/KOC (pH 7.4): 318.21; (9)#H bond acceptors: 2; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 40.46 Å2; (13)Index of Refraction: 1.726; (14)Molar Refractivity: 47.859 cm3; (15)Molar Volume: 120.409 cm3; (16)Polarizability: 18.973×10-24cm3; (17)Surface Tension: 64.43 dyne/cm; (18)Density: 1.33 g/cm3; (19)Flash Point: 193.545 °C; (20)Enthalpy of Vaporization: 64.729 kJ/mol; (21)Boiling Point: 375.352 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.
Uses of 1,6-Dihydroxynaphthalene: it can be used to produce 6-hydroxy-3,4-dihydro-2H-naphthalen-1-one at the temperature of 25 °C. It will need reagents cyclohexane, aluminum bromide and various solvent(s) with the reaction time of 72 hours. The yield is about 80%.
When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need to wear suitable protective clothing.
You can still convert the following datas into molecular structure:
(1)SMILES: Oc1cccc2c1ccc(O)c2
(2)Std. InChI: InChI=1S/C10H8O2/c11-8-4-5-9-7(6-8)2-1-3-10(9)12/h1-6,11-12H
(3)Std. InChIKey: FZZQNEVOYIYFPF-UHFFFAOYSA-N