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  7. Naphthalene, 99+%, Thermo Scientific Chemicals

Naphthalene, 99+%, Thermo Scientific Chemicals

Product Code. 11424594
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Description

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

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.

Solubility
Soluble in benzene, toluene, chloroform, carbon disulfide, ether. Insoluble in water.

Notes
Incompatible with strong oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 91-20-3
Molecular Formula C10H8
Molecular Weight (g/mol) 128.17
MDL Number MFCD00001742
InChI Key UFWIBTONFRDIAS-UHFFFAOYSA-N
Synonym naphthalin, naphthene, camphor tar, tar camphor, white tar, albocarbon, naphthaline, moth flakes, moth balls, naphtalene
PubChem CID 931
ChEBI CHEBI:16482
IUPAC Name naphthalene
SMILES C1=CC2=CC=CC=C2C=C1

Specifications

Melting Point 80°C to 82°C
Density 0.963
Boiling Point 218°C
Flash Point 78°C (172°F)
Odor Aromatic
Refractive Index 1.5821
Quantity 250 g
UN Number UN1334
Beilstein 1421310
Merck Index 14,6370
Solubility Information Soluble in benzene,toluene,chloroform,carbon disulfide,ether. Insoluble in water.
Formula Weight 128.17
Percent Purity ≥99%
Chemical Name or Material Naphthalene
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Safety and Handling

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Product Identifier
  • Naphthalene
 Signal Word
  • Warning
 Hazard Category
  • Acute toxicity Category 4
  • LONG-TERM AQUATIC HAZARD Chronic 1
  • ACUTE AQUATIC Acute 1
  • Carcinogenicity Category 2
  • Flammable solid Category 2
 Hazard Statement
  • H228-Flammable solid.
  • H302-Harmful if swallowed.
  • H351-Suspected of causing cancer.
  • H400-Very toxic to aquatic life.
  • H410-Very toxic to aquatic life with long lasting effects.
 Precautionary Statement
  • P201-Obtain special instructions before use.
  • P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P264-Wash face, hands and anyexposed skin thoroughly after handling.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
  • P312-Call a POISON CENTER/doctor/if you feel unwell.
  • P370+P378-In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
 Supplemental information
  • MIXTURE LIST-Contains : Naphthalene

RUO – Research Use Only

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