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ChemicalBook--->CAS DataBase List--->581-40-8

581-40-8

581-40-8 Structure

581-40-8 Structure
IdentificationMore
[Name]

2,3-DIMETHYLNAPHTHALENE
[CAS]

581-40-8
[Synonyms]

2,3-DIMETHYLNAPHTHALENE
Guajen
naphthalene,2,3-dimethyl-
DimethylNaphthalein
2,3-Dimethylnaphthalene,97%
2,3-DIMETHYLNAPHTHALENE 98+%
[EINECS(EC#)]

209-463-5
[Molecular Formula]

C12H12
[MDL Number]

MFCD00004119
[Molecular Weight]

156.22
[MOL File]

581-40-8.mol
Chemical PropertiesBack Directory
[Appearance]

white flakes
[Melting point ]

103-104 °C (lit.)
[Boiling point ]

269 °C (lit.)
[density ]

1.0030
[refractive index ]

1.5060
[Fp ]

265-268°C
[form ]

powder to crystal
[color ]

White to Light yellow to Light orange
[Water Solubility ]

Solubility in toluene (almost transparency). Insoluble in water.
[BRN ]

1852621
[LogP]

4.400
[CAS DataBase Reference]

581-40-8(CAS DataBase Reference)
[EPA Substance Registry System]

2,3-Dimethylnaphthalene (581-40-8)
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

R22:Harmful if swallowed.
[Safety Statements ]

S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S24/25:Avoid contact with skin and eyes .
[WGK Germany ]

3
[HS Code ]

29029000
Hazard InformationBack Directory
[Chemical Properties]

white flakes
[Uses]

It is used in the identification of individual aromatic hydrocarbons in kerosene fraction (b.p. 150-250°).
[Definition]

ChEBI: A dimethylnaphthalene carrying methyl groups at positions 2 and 3.
[Purification Methods]

Steam distil the naphthalene and crystallise it from EtOH. [Beilstein 5 IV 1713.]
Spectrum DetailBack Directory
[Spectrum Detail]

2,3-DIMETHYLNAPHTHALENE(581-40-8)MS
2,3-DIMETHYLNAPHTHALENE(581-40-8)1HNMR
2,3-DIMETHYLNAPHTHALENE(581-40-8)13CNMR
2,3-DIMETHYLNAPHTHALENE(581-40-8)IR1
2,3-DIMETHYLNAPHTHALENE(581-40-8)IR2
2,3-DIMETHYLNAPHTHALENE(581-40-8)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

2,3-Dimethylnaphthalene, 95%(581-40-8)
[Alfa Aesar]

2,3-Dimethylnaphthalene, 97%(581-40-8)
[Sigma Aldrich]

581-40-8(sigmaaldrich)
[TCI AMERICA]

2,3-Dimethylnaphthalene,>98.0%(GC)(581-40-8)
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