CAS 91-20-3

Naphthalene

Description:

Naphthalene, with the CAS number 91-20-3, is a polycyclic aromatic hydrocarbon consisting of two fused benzene rings. It appears as a white crystalline solid at room temperature and has a characteristic odor reminiscent of mothballs. Naphthalene is insoluble in water but soluble in organic solvents such as ethanol, ether, and benzene. It has a melting point of around 80 degrees Celsius and a boiling point of approximately 218 degrees Celsius. Naphthalene is primarily used in the production of phthalic anhydride, as a precursor for various chemicals, and as a moth repellent. It is also found in some air fresheners and deodorants. Due to its aromatic structure, naphthalene exhibits significant volatility and can sublimate at room temperature. While it is considered a relatively low-toxicity compound, exposure can lead to health issues, including respiratory irritation and hemolytic anemia in severe cases. Naphthalene is classified as a possible human carcinogen, necessitating careful handling and regulation in industrial applications.

Formula: C₁₀H₈

InChI: InChI=1S/C10H8/c1-2-6-10-8-4-3-7-9(10)5-1/h1-8H

InChI key: InChIKey=UFWIBTONFRDIAS-UHFFFAOYSA-N

SMILES: C12=C(C=CC=C1)C=CC=C2

Synonyms:

• Albocarbon
• Dezodorator
• Moth flakes
• Naftaleno, Puro
• Naphtalene
• Naphthalene Scales
• Naphthalin
• Naphthene
• Napthalene
• Nsc 37565
• Tar camphor
• White tar
• Naphtalene [ISO:French]
• Mighty RD1
• CCRIS 1838
• Naphthalene (molten)
• HSDB 184
• NCI-C52904
• Naphthalene [BSI:ISO]
• Naphthaline
• Naphthalene, pure
• EPA Pesticide Chemical Code 055801
• Naphthalene, crude or refined
• Moth balls
• Camphor tar
• Caswell No. 587
• Naphthalene, molten
• Naftalen [Polish]
• Mighty 150
• Naphthalene, molten [UN2304] [Flammable solid]
• Refined Naphthalene
• Naftalen
• RCRA waste number U165
• Naphthalene, crude or refined [UN1334] [Flammable solid]
• Naphthalene

ASTM Method D5580 Daily Quality Control Standard

Controlled Product

CAS: 100-41-4, 106-42-3, 108-88-3, 110-54-3, 111-65-9, 124-18-5, 142-82-5, 540-84-1, 629-50-5, 71-43-2, 91-20-3, 95-47-6, 95-63-6, 95-93-2

Formula: C₁₀H₁₄

Color and Shape: Mixture

Molecular weight: 134.22

Ref: 04-GS0900078

EPA Method 8270 UltiMix Calibration Mixture 500-1000 μg/mL in Benzene:Dichloromethane

Controlled Product

CAS: 100-01-6, 100-02-7, 100-25-4, 100-51-6, 101-55-3, 103-23-1, 103-33-3, 105-67-9, 106-44-5, 106-46-7, 106-47-8, 108-39-4, 108-60-1, 108-95-2, 110-86-1, 111-44-4, 111-91-1, 117-81-7, 117-84-0, 118-74-1, 120-12-7, 120-82-1, 120-83-2, 121-14-2, 122-39-4, 129-00-0, 131-11-3, 132-64-9, 191-24-2, 193-39-5, 205-99-2, 206-44-0, 207-08-9, 208-96-8, 218-01-9, 50-32-8, 51-28-5, 528-29-0, 53-70-3, 534-52-1, 541-73-1, 56-55-3, 58-90-2, 59-50-7, 606-20-2, 62-53-3, 62-75-9, 621-64-7, 67-72-1, 7005-72-3, 77-47-4, 78-59-1, 83-32-9, 84-66-2, 84-74-2, 85-01-8, 85-68-7, 86-73-7, 86-74-8, 87-68-3, 87-86-5, 88-06-2, 88-74-4, 88-75-5, 90-12-0, 91-20-3, 91-57-6, 91-58-7, 935-95-5, 95-48-7, 95-50-1, 95-57-8, 95-95-4, 98-95-3, 99-09-2, 99-65-0

Formula: C₆H₃Cl₃

Color and Shape: Mixture

Molecular weight: 181.45

Ref: 04-GA09000419BD

PAH-Mix 25 2000 µg/mL in Acetone/Benzene

Controlled Product

CAS: 120-12-7, 129-00-0, 191-24-2, 193-39-5, 205-99-2, 206-44-0, 207-08-9, 208-96-8, 218-01-9, 50-32-8, 53-70-3, 56-55-3, 83-32-9, 85-01-8, 86-73-7, 91-20-3

Formula: C₁₂H₁₀

Color and Shape: Mixture

Molecular weight: 154.21

Ref: 04-YA20950025AB

PAH-Mix 9 100 µg/mL in Acetonitrile

Controlled Product

CAS: 120-12-7, 129-00-0, 191-24-2, 193-39-5, 205-99-2, 206-44-0, 207-08-9, 208-96-8, 218-01-9, 50-32-8, 53-70-3, 56-55-3, 83-32-9, 85-01-8, 86-73-7, 91-20-3

Formula: C₁₂H₁₀

Color and Shape: Mixture

Molecular weight: 154.21

Ref: 04-X20950009AL

PAH Mixture 627 0.5 µg/mL in Hexane

CAS: 120-12-7, 129-00-0, 191-24-2, 193-39-5, 205-99-2, 206-44-0, 207-08-9, 208-96-8, 218-01-9, 50-32-8, 53-70-3, 56-55-3, 83-32-9, 85-01-8, 86-73-7, 91-20-3

Color and Shape: Colourless

Ref: 04-A50000627HE

PAH Mixture 241 2000 µg/mL in Dichloromethane

Controlled Product

CAS: 120-12-7, 129-00-0, 191-24-2, 193-39-5, 205-99-2, 206-44-0, 207-08-9, 208-96-8, 218-01-9, 50-32-8, 53-70-3, 56-55-3, 83-32-9, 85-01-8, 86-73-7, 90-12-0, 91-20-3, 91-57-6

Color and Shape: Mixture

Ref: 04-A50000241DI

Naphthalene

CAS: 91-20-3

Formula: C₁₀H₈

Molecular weight: 128.17

Ref: 4Z-N-077062

Naphthalene

CAS: 91-20-3

Applications Naphthalene is an abundant polycyclic aromatic hydrocarbon that is persistent, bioaccumulative, toxic and found in tobacco smoke and urban air. This compound is a contaminant of emerging concern (CECs).
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Sutherland, K.M., et. al.: Am. J. Physiol., 302, L68 (2012); Bahuguna, A., et. al.: J. Pharm. Res., 5, 1600 (2012);

Formula: C₁₀H₈

Color and Shape: White

Molecular weight: 128.17

Ref: TR-N345600

Naphthalene

CAS: 91-20-3

Formula: C₁₀H₈

Purity: 99.0%

Color and Shape: Solid

Molecular weight: 128.174

Ref: 10-F240561

EPA Method 8270 Calibration Mixture 500-1000 µg/mL in Dichloromethane

Controlled Product

CAS: 100-01-6, 100-02-7, 100-25-4, 100-51-6, 101-55-3, 103-23-1, 103-33-3, 105-67-9, 106-44-5, 106-46-7, 106-47-8, 108-39-4, 108-60-1, 108-95-2, 110-86-1, 111-44-4, 111-91-1, 117-81-7, 117-84-0, 118-74-1, 120-12-7, 120-82-1, 120-83-2, 121-14-2, 122-39-4, 129-00-0, 131-11-3, 132-64-9, 191-24-2, 193-39-5, 205-99-2, 206-44-0, 207-08-9, 208-96-8, 218-01-9, 50-32-8, 51-28-5, 528-29-0, 53-70-3, 534-52-1, 541-73-1, 56-55-3, 58-90-2, 59-50-7, 606-20-2, 62-53-3, 62-75-9, 621-64-7, 67-72-1, 7005-72-3, 77-47-4, 78-59-1, 83-32-9, 84-66-2, 84-74-2, 85-01-8, 85-68-7, 86-73-7, 86-74-8, 87-68-3, 87-86-5, 88-06-2, 88-74-4, 88-75-5, 90-12-0, 91-20-3, 91-57-6, 91-58-7, 935-95-5, 95-48-7, 95-50-1, 95-57-8, 95-95-4, 98-95-3, 99-09-2, 99-65-0

Formula: C₆H₃Cl₃

Color and Shape: Mixture

Molecular weight: 181.45

Ref: 04-YS09000003DI

PAH Mixture 635 0.2 µg/mL in Hexane

CAS: 120-12-7, 129-00-0, 191-24-2, 193-39-5, 205-99-2, 206-44-0, 207-08-9, 208-96-8, 218-01-9, 50-32-8, 53-70-3, 56-55-3, 83-32-9, 85-01-8, 86-73-7, 91-20-3

Color and Shape: Mixture

Ref: 04-A50000635HE

ASTM Method D5769 Aromatics in Finished Gasoline Calibration Level 1 without IS

Controlled Product

CAS: 100-41-4, 103-65-1, 104-51-8, 105-05-5, 106-42-3, 108-38-3, 108-88-3, 135-01-3, 496-11-7, 526-73-8, 527-53-7, 540-84-1, 611-14-3, 620-14-4, 622-96-8, 71-43-2, 90-12-0, 91-20-3, 91-57-6, 95-47-6, 95-63-6, 95-93-2, 98-82-8

Formula: C₁₀H₁₄

Color and Shape: Mixture

Molecular weight: 134.22

Ref: 04-GS09000763

ASTM Method D5769 Quality Control Reference Material without IS in Isooctane

Controlled Product

CAS: 100-41-4, 108-38-3, 108-88-3, 110-54-3, 111-65-9, 112-40-3, 124-18-5, 142-82-5, 540-84-1, 71-43-2, 91-20-3, 95-47-6, 95-63-6, 95-93-2

Formula: C₁₀H₁₄

Color and Shape: Mixture

Molecular weight: 134.22

Ref: 04-GA09000133IO

ISO 15753:2006 PAH Mixture 374 100 µg/mL in Toluene

Controlled Product

CAS: 120-12-7, 129-00-0, 191-24-2, 193-39-5, 205-99-2, 206-44-0, 207-08-9, 218-01-9, 50-32-8, 53-70-3, 56-55-3, 83-32-9, 85-01-8, 86-73-7, 91-20-3

Color and Shape: Mixture

Ref: 04-A50000374TO

EPA Method 8270 B/N Mixture 2 1000 µg/ml in Benz:MeCl2:ACCN 4:4:2

Controlled Product

CAS: 101-55-3, 103-33-3, 106-46-7, 108-60-1, 111-44-4, 111-91-1, 117-81-7, 117-84-0, 118-74-1, 120-12-7, 120-82-1, 121-14-2, 129-00-0, 131-11-3, 191-24-2, 193-39-5, 205-99-2, 206-44-0, 207-08-9, 208-96-8, 218-01-9, 50-32-8, 53-70-3, 541-73-1, 56-55-3, 606-20-2, 62-75-9, 621-64-7, 67-72-1, 7005-72-3, 77-47-4, 78-59-1, 83-32-9, 84-66-2, 84-74-2, 85-01-8, 85-68-7, 86-30-6, 86-73-7, 87-68-3, 91-20-3, 91-58-7, 95-50-1, 98-95-3

Formula: C₆H₃Cl₃

Color and Shape: Mixture

Molecular weight: 181.45

Ref: 04-YA09000024SP

PAH Mixture 163 2000 µg/mL in Dichloromethane

Controlled Product

CAS: 120-12-7, 129-00-0, 191-24-2, 192-97-2, 193-39-5, 198-55-0, 205-99-2, 206-44-0, 207-08-9, 208-96-8, 218-01-9, 260-94-6, 50-32-8, 53-70-3, 56-55-3, 83-32-9, 85-01-8, 86-73-7, 90-12-0, 91-20-3, 91-22-5, 91-57-6

Formula: C₁₁H₁₀

Color and Shape: Mixture

Molecular weight: 142.20

Ref: 04-GS09000163DI

Naphthalene scintillation grade, 99%

CAS: 91-20-3

Formula: C₁₀H₈

Purity: min. 99%

Color and Shape: White, Crystalline powder, Clear, Colourless, Clear, Colourless

Molecular weight: 128.16

Ref: SR-26320

Naphthalene extrapure AR, ExiPlus, Multi-Compendial, 99.5%

CAS: 91-20-3

Formula: C₁₀H₈

Purity: min. 99.5%

Color and Shape: White, Crystalline powder, Clear, Colourless, Clear, Colourless

Molecular weight: 128.16

Ref: SR-13280

Naphthalene

CAS: 91-20-3

Naphthalene is a chemical that is used for wastewater treatment and as a pesticide. It is also used in the manufacturing of polymers, resins, and plastics. Naphthalene has antimicrobial properties due to its hydrophobic effect. Naphthalene's antimicrobial activity is based on its ability to react with the skeleton of bacterial cells and disrupt the integrity of their outer membrane. Naphthalene also interacts with proteins and DNA, causing cell death. The molecular mechanisms of naphthalene's antibacterial activity are not well understood but have been studied using Hl-60 cells, which are immortalized human monocytic leukemia cells. This study showed that naphthalene affects the cell cycle by inhibiting protein synthesis in bacteria through binding to ribosomes or by disrupting the dna replication process.

Formula: C₁₀H₈

Purity: Min. 95%

Molecular weight: 128.17 g/mol

Ref: 3D-FN10260