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33347 Naphthalene, 99.6%

CAS Number
91-20-3
Synonyms

Stock No. Size Price ($) Quantity Availability
33347-18 50g 23.50
33347-36 500g 64.70
33347-A3 2kg 185.00
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Naphthalene, 99.6%

MDL
MFCD00001742
EINECS
202-049-5

Chemical Properties

Formula
C10H8
Formula Weight
128.17
Form
Crystalline
Melting point
80-82°
Boiling Point
218°
Flash Point
78°(172°F)
Density
0.9628
Refractive Index
1.5821
Storage & Sensitivity
Ambient temperatures.
Solubility
Soluble in benzene, toluene, chloroform, CS{2}, ether. Insoluble in water. Soluble in alcohols, liquid ammonia, benzene, carbon tetrachloride, carbon disulfide, toluene, aniline, acetic acid, chloroform and butyric acid. Insoluble in water.

Applications

Naphthalene is formerly important in dyestuff manufacture. It acts as a precursor to phthalic anhydride. Naphthalene is used in the manufacturing of phthalic anhydride, naphthalene sulfonic acids and hydrogenated naphthalenes such as 1,2,3,4-tetrahydronaphthalene, which is used as a precursor for various dyestuffs, pigments, rubber processing chemicals and in pharmaceuticals. Its molten form is used as solvent replacing the high- boiling solvents like dichlorobenzene, nitrobenzene and durene. It is involved as reaction medium for in the Diels-Alder reaction between C60 with anthracene.

Notes

Incompatible with strong oxidizing agents.

Literature References

Hwang, Y. J.; Earmme, T.; Courtright, B. A.; Eberle, F. N.; Jenekhe, S. A. n-Type Semiconducting Naphthalene Diimide-Perylene Diimide Copolymers: Controlling Crystallinity, Blend Morphology, and Compatibility Toward High-Performance All-Polymer Solar Cells. J. Am. Chem. Soc. 2015, 137 (13), 4424-4434.

Attah, I. K.; Platt, S. P.; Meot-Ner, M.; El-Shall, M. S.; Peverati, R.; Head-Gordon, M. What Is the Structure of the Naphthalene-Benzene Heterodimer Radical Cation? Binding Energy, Charge Delocalization, and Unexpected Charge-Transfer Interaction in Stacked Dimer and Trimer Radical Cations. J. Phys. Chem. Lett. 2015, 6 (7), 1111-1118.

GHS Hazard and Precautionary Statements

Hazard Statements: H228-H302-H350

Flammable solid. Harmful if swallowed. May cause cancer.

Precautionary Statements: P201-P202-P210-P240-P241-P260-P264b-P270-P271-P281-P301+P312-P304+P340-P308+P313-P330-P370+P378q-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Use personal protective equipment as required. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF exposed or concerned: Get medical advice/attention. Rinse mouth. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,6370
Beilstein
1421310
Hazard Class
4.1
Packing Group
III
Harmonized Tariff Code
2902.90
TSCA
Yes
RTECS
QJ0525000

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