| Identification | More | [Name]
2,4-DICHLORO-1-NAPHTHOL | [CAS]
2050-76-2 | [Synonyms]
2,4-DICHLORO-1-NAPHTHOL
AURORA KA-5007
1-Naphthalenol,2,4-dichloro-
2,4-dichloro-1-naphthaleno
2,4-dichloro-1-Naphthalenol
2,4-DICHLORONAPHTHOL
2,4-DICHLORO-1-NAPHTHOL 99%
2,4-Dichloro-1-naphthol [for photography]
2,4-Dichloronaphthalen-1-ol | [EINECS(EC#)]
218-103-6 | [Molecular Formula]
C10H6Cl2O | [MDL Number]
MFCD00003931 | [Molecular Weight]
213.06 | [MOL File]
2050-76-2.mol |
| Chemical Properties | Back Directory | [Appearance]
beige-yellowish crystalline powder | [Melting point ]
104-107 °C(lit.) | [Boiling point ]
305.89°C (rough estimate) | [density ]
1.2937 (rough estimate) | [vapor density ]
7.3 (vs air)
| [refractive index ]
1.5500 (estimate) | [storage temp. ]
2-8°C
| [solubility ]
pyridine: soluble5%, clear, colorless to dark yellow | [form ]
powder
| [color ]
off-white to tan
| [InChI]
1S/C10H6Cl2O/c11-8-5-9(12)10(13)7-4-2-1-3-6(7)8/h1-5,13H | [InChIKey]
HVLJEMXDXOTWLV-UHFFFAOYSA-N | [SMILES]
Oc1c(Cl)cc(Cl)c2ccccc12 | [CAS DataBase Reference]
2050-76-2(CAS DataBase Reference) | [EPA Substance Registry System]
1-Naphthalenol, 2,4-dichloro- (2050-76-2) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing . | [WGK Germany ]
3
| [TSCA ]
TSCA listed | [HS Code ]
29081990 | [Storage Class]
11 - Combustible Solids | [Hazard Classifications]
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3 |
| Hazard Information | Back Directory | [Chemical Properties]
beige-yellowish crystalline powder | [Uses]
2,4-Dichloro-1-naphthol has been used in:
- spectrophotometric determination of arginine with previous modifications of the Sakaguchi reaction
- guanidinoacetate and guanidinosuccinate assay of urine, an indicator of kidney dysfunction
| [Purification Methods]
Crystallise the naphthol pKEst from MeOH. The 1-methyl ether has m 58o (from EtOH). [Beilstein 6 H 612, 6 I 308, 6 II 582, 6 III 2934, 6 IV 4233.] |
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