Products Categories
| CAS No.: | 83-56-7 |
|---|---|
| Name: | 1,5-Dihydroxy naphthalene |
| Article Data: | 35 |
| Molecular Structure: | |
|
|
|
| Formula: | C10H8O2 |
| Molecular Weight: | 160.172 |
| Synonyms: | 1,5-Dihydroxynaphthaline;1,5-Naphthohydroquinone;C.I. 76625;DurafurDeveloper E;1,5-Naphthalenediol;Oxidation Base; |
| EINECS: | 201-487-4 |
| Density: | 1.33 g/cm3 |
| Melting Point: | 259-261 °C (dec.)(lit.) |
| Boiling Point: | 375.4 °C at 760 mmHg |
| Flash Point: | 193.5 °C |
| Solubility: | Soluble in water. |
| Appearance: | gray powder |
| Hazard Symbols: |
 Xn,  N,  Xi
|
| Risk Codes: | 22-51/53-36-36/37/38 |
| Safety: | 22-24/25-61-39-29-26 |
| PSA: | 40.46000 |
| LogP: | 2.25100 |
- 852475-26-4MC1568
- 958254-66-51H-Imidazo[4,5-b]pyridine-2-carboxaldehyde, 1-methyl-, hydrochloride
- 99170-93-1N-Methyl-2-oxazolamine
- 914458-26-7[5-(2-fluorophenyl)-1-pentyl-1H-pyrrol-3-yl]-1-naphthalenyl-Methanone
- 894852-01-87-BROMO-2,2-DIMETHYL-2H-PYRIDO[3,2-B][1,4]OXAZIN-3(4H)-ONE
- 90221-55-92-bromo-5-methylbenzaldehyde
- 885590-99-82,3-DIFLUORO-4-IODOBENZALDEHYDE
- 97730-31-9(S)-4'-(2-Methylbutyl)Biphenyl-4-Carbonitrile
- 926293-55-26-Bromo-2-methylpyridine-3-carboxaldehyde
- 911112-05-55-Iodo-3-(trifluoromethyl)-2-pyridinamine
- 605-89-0
1,5-diacetoxynaphthalene
A
- 83-56-7
1,5-dihydroxynaphthalene
B
- 94807-85-9
5-hydroxynaphthalen-1-yl acetate
| Conditions | Yield |
|---|---|
| With lipase of Pseudomonas sp; water In various solvent(s) at 25℃; for 2.5h; Hydrolysis; deacetylation; | A 60% B 40% |
- 10075-63-5
1,5-dimethoxynaphthalene
A
- 3588-80-5
5-methoxynaphthalen-1-ol
B
- 83-56-7
1,5-dihydroxynaphthalene
| Conditions | Yield |
|---|---|
| With Cyclohexyl iodide In N,N-dimethyl-formamide for 2.5h; Heating; | A 43% B 44% |
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide; hydrogen fluoride; antimony pentafluoride at -20℃; for 0.5h; Mechanism; Product distribution; | A 17.5% B 25.5% |
| With dihydrogen peroxide; hydrogen fluoride; antimony pentafluoride at -20℃; for 0.5h; | A 17.5% B 25.5% |
| Conditions | Yield |
|---|---|
| With sodium hydrogensulfite alkal. Verseifung des entstandenen Sulfits; |
| Conditions | Yield |
|---|---|
| With potassium carbonate beim Schmelzen; | |
| With potassium carbonate at 200℃; | |
| With sodium hydroxide at 220 - 260℃; beim Schmelzen; |
- 84-89-9
1-aminonaphthalene-5-sulfonic acid
A
- 83-55-6
5-amino-1-naphthol
B
- 117-59-9
1-hydroxynaphthalene-5-sulphonic acid
C
- 83-56-7
1,5-dihydroxynaphthalene
D
- 134-32-7
1-amino-naphthalene
| Conditions | Yield |
|---|---|
| at 220 - 300℃; im Autoklaven; |
| Conditions | Yield |
|---|---|
| With sodium hydroxide at 220 - 300℃; unter Druck; |
- 83-56-7
1,5-dihydroxynaphthalene
| Conditions | Yield |
|---|---|
| beim Erhitzen; |
| Conditions | Yield |
|---|---|
| at 300℃; | |
| at 220 - 260℃; |
- 835912-84-02-(3-Fluoro-4-methylphenyl)ethanol
- 83615-96-7Cyclopentene, 1,2-dimethyl-4-methylene-
- 83623-26-1(carboxymethyl)dimethyl-3-[(2-methyl-1-oxoallyl)amino]propylammonium hydroxide
- 83-64-71-AMINO-8-NAPHTHOL-4-SULFONIC ACID
- 83690-72-6Benzenemethanamine, N-methyl-N-tetradecyl-
- 83712-60-1Defibrotide
- 83731-88-82-ethanediyl), .alpha.-methyl-.omega.-[[3,4,4,4-tetrafluoro-2-[1,2,2,2-tetrafluoro-1-(trifluoromethyPoly(oxy-1
- 83763-12-63-phenyl-3-propylpentane-1,5-diol
- 104987-11-3Tacrolimus
- 141-53-7Sodium formate
- 8001-54-5Quaternary ammonium compounds, alkylbenzyldimethyl, chlorides
- 9003-39-8Povidone
- 10161-34-9Trenbolone acetate
- 402957-28-2Telaprevir
- 68-19-9Cyanocobalamin
What can I do for you?
Get Best Price
Chemistry
.jpg)
IUPAC Name: Naphthalene-1,5-diol
Molecular Formula: C10H8O2
Molecular Weight: 160.17 g/mol
Canonical SMILES: c12c(c(ccc2)O)cccc1O
InChI: InChI=1/C10H8O2/c11-9-5-1-3-7-8(9)4-2-6-10(7)12/h1-6,11-12H
EINECS: 201-487-4
Classification Code: Mutation data
Product Categories: Intermediates of Dyes and Pigments; Naphthalene derivatives
XLogP3: 1.8
H-Bond Donor: 2
H-Bond Acceptor: 2
Surface Tension: 64.4 dyne/cm
Density: 1.33 g/cm3
Flash Point: 193.5 °C
Enthalpy of Vaporization: 64.73 kJ/mol
Boiling Point: 375.4 °C at 760 mmHg
Melting Point: 259-261 °C (dec.)(lit.)
Vapour Pressure of 1,5-Dihydroxy naphthalene (CAS NO.83-56-7): 3.62E-06 mmHg at 25 °C
Uses
1,5-Dihydroxy naphthalene (CAS NO.83-56-7) is used as oxidising colouring agents for hair dyeing.
Toxicity Data With Reference
| 1. | dlt-oin-oin-par 10 ppm | EVETBX Environmental Entomology. 2 (1973),1029. | ||
| 2. | dlt-oin-oin-skn 10 ppm | EVETBX Environmental Entomology. 2 (1973),1029. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Codes: 
Xn, 
N, 
Xi
Risk Statements: 22-51/53-36-36/37/38
R22: Harmful if swallowed.
R51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R36: Irritating to eyes.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 22-24/25-61-39-29-26
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
S39: Wear eye / face protection.
S29: Do not empty into drains.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 2
RTECS of 1,5-Dihydroxy naphthalene (CAS NO.83-56-7): QJ4740000
Specification
1,5-Dihydroxy naphthalene (CAS NO.83-56-7), its Synonyms are 1,6-Naphthalenediol ; CI 76625 ; Durafur Developer E ; Oxidation Base ; 1,5-Naphthalenediol . It is gray powder.