Naphthalene

  • Identifiers

    CAS mumber
    91-20-3

    Molecular formula
    C10H8

    SMILES
    C1=CC=C2C=CC=CC2=C1

    Retention indicies (RI)

    • DB5: 1180.2
    • Carbowax: 1740.14

  • Properties

    XLogP3-AA
    3.3 Well soluble in BB, DEP, MMB

    Molecular weight
    128.17 g/mol

    Melting points

    • 176.4 °F (NTP, 1992)
    • 80.2 °C
    • Sublimes appreciably at temperatures above melting point; volatile with steam
    • 80.3 °C
    • 80 °C
    • 176 °F
    • 176 °F

    Boiling points

    • 424 °F at 760 mmHg (NTP, 1992)
    • 217.9 deg C
    • 217.00 to 219.00 °C. @ 760.00 mm Hg
    • 218 °C
    • 424 °F
    • 424 °F

    Flash points

    • 190 °F (NTP, 1992)
    • 174 °F (NFPA, 2010)
    • 174 °F; 79 °C (Closed cup)
    • 80 °C c.c.
    • 174 °F
    • 174 °F

    Solubilities

    • less than 1 mg/mL at 72 °F (NTP, 1992)
    • In water, 31 mg/L at 25 °C
    • 1 g/13 mL ethanol or methanol; 1 g/3.5 mL benzene or toluene; 1 g/8 mL olive oil or tupentine; 1 g/2 mL chloroform or carbon tetrachloride; 1 g/1.2 mL carbon disulfide. Very soluble in ether, hydronaphthalenes, and in fixed and volatile oils.
    • 0.031 mg/mL at 25 °C
    • Solubility in water at 20 °C: very poor
    • 0.003%

  • Synonyms

    • naphthalene
    • 91-20-3
    • Naphthalin
    • Albocarbon
    • Tar camphor
    • White tar
    • Naphthene
    • Naphthaline
    • Camphor tar
    • Moth balls
    • Moth flakes
    • naphtalene
    • Dezodorator
    • Naftalen
    • Mighty 150
    • Naphthalinum
    • RCRA waste number U165
    • Mighty RD1
    • naftaleno
    • naftalina
    • naphtaline
    • naphthalen
    • napthalene
    • Naphtalinum
    • Mothballs
    • Caswell No. 587
    • NCI-C52904
    • Naphthalene, pure
    • NSC 37565
    • CCRIS 1838
    • HSDB 184
    • Naphtalene [ISO:French]
    • EINECS 202-049-5
    • NSC-37565
    • EPA Pesticide Chemical Code 055801
    • UNII-2166IN72UN
    • DTXSID8020913
    • CHEBI:16482
    • AI3-00278
    • 2166IN72UN
    • MFCD00001742
    • Naphthalene-1,2,3,4-13C4
    • UN1334
    • CHEMBL16293
    • DTXCID00913
    • EC 202-049-5
    • NSC37565
    • Naphthalene, 99%
    • NCGC00090793-02
    • 287399-39-7
    • Naphtalene (ISO:French)
    • NAPHTHALENE (IARC)
    • NAPHTHALENE [IARC]
    • NAPHTHALENE (MART.)
    • NAPHTHALENE [MART.]
    • Naftalen [Polish]
    • NAPHTHALENE (USP-RS)
    • NAPHTHALENE [USP-RS]
    • Naphthalene, analytical standard
    • Naphthalene [BSI:ISO]
    • C10H8
    • CAS-91-20-3
    • Naphthalene, molten
    • Naphthalene (molten)
    • UN2304
    • RCRA waste no. U165
    • NAPHTHALENE (1,2,3,4,5,6,7,8-D8)
    • Naphthalene, crude or refined
    • 2-naphthalen
    • 1-Naphthalene
    • 2-Naphthalene
    • Naphthalene, 98%
    • 1,4-naphthalenediyl
    • NAPHTHALENE [MI]
    • NAPHTHALENE [ISO]
    • NAPHTHALENE [HSDB]
    • NAPHTHALENE, REFINED
    • NAPHTHALINUM [HPUS]
    • NAPHTHALENE [WHO-DD]
    • MLS001055498
    • WLN: L66J
    • BIDD:ER0665
    • DTXSID201315549
    • HMS3039N15
    • Tox21_111023
    • Tox21_202004
    • Tox21_300008
    • BDBM50159249
    • Naphthalene, for synthesis, 98.5%
    • STL282720
    • AKOS000119977
    • USEPA/OPP Pesticide Code 055801
    • FN10260
    • Naphthalene 100 microg/mL in Methanol
    • UN 1334
    • UN 2304
    • Naphthalene 10 microg/mL in Cyclohexane
    • NCGC00090793-01
    • NCGC00090793-03
    • NCGC00090793-04
    • NCGC00090793-05
    • NCGC00254058-01
    • NCGC00259553-01
    • BS-22320
    • Naphthalene 10 microg/mL in Acetonitrile
    • SMR000677944
    • Naphthalene 100 microg/mL in Acetonitrile
    • Naphthalene, SAJ first grade, >=98.0%
    • DB-361346
    • N0004
    • N0885
    • NS00008377
    • EN300-21626
    • C00829
    • D97670
    • SBI-0654024.0001
    • Naphthalene, suitable for scintillation, >=99%
    • L001166
    • Naphthalene, molten [UN2304] [Flammable solid]
    • Q179724
    • SR-01000854997
    • Melting point standard 79-81C, analytical standard
    • SR-01000854997-2
    • F0001-2217
    • Naphthalene, certified reference material, TraceCERT(R)
    • Z104506008
    • Naphthalene, crude or refined [UN1334] [Flammable solid]
    • Naphthalene, United States Pharmacopeia (USP) Reference Standard
1 3

Botanical

Name CAS Botanical Proportion
Blackcurrant bud, absolute 68606-81-5 Ribes nigrum L., fam. Grossulariaceae 0.25%
Cassie absolute (blossom) 8023-82-3 Acacia farnesiana (L.) Willd., fam. Mimosaceae (Leguminosae) 1.26%
Coleonema pulchellum Coleonema pulchellum Williams (C. pulchrum Hook.), fam. Rutaceae 0.02%
Mentha spicata (Greece) Chemotype I Mentha spicata L. (Chemotype I), fam. Lamiaceae (Labiatae) 0.01%
Rue (Malaysia) 1 8014-29-7 Ruta graveolens L., fam. Rutaceae 0.05%
Saffron 1 8022-19-3 Crocus sativus L., fam. Iridaceae 0.1%
Melittis melissophyllum Melittis melissophylum L., ssp. albida Guss, fam. Lamiaceae (Labiatae) 0.08%
Narcissus poeticus absolute 8023-75-4 Narcissus poeticus L., fam. Amaryllidaceae 0.1%
Tagetes 2 8016-84-0 Tagetes minuta L. (Marigold), fam. Asteraceae (Compositae) 0.05%
Pistacia lentiscus fruit 90082-83-0 Pistacia lentiscus L., fam. Anacardiaceae 0.01%
Rue (Egypt) 8014-29-7 Ruta graveolens L., fam. Rutaceae 0.09%
Salvia triloba 2 (Greece) Salvia triloba L. (S. fruticosa Mill.), fam. Lamiaceae (Labiatae) 0.1%
Wartara (India) 1 pericarp Zanthoxylum armatum DC. (Z. alatum Roxb.), fam. Rutaceae 0.21%
Rhus coriaria Rhus coriaria L., fam. Anarcadiaceae 1.0%
Artemisia atrovirens (China) Artemisia atrovirens Hand.-Mazz., fam. Asteraceae (Compositae) 1.52%
Genet headspace 2 8023-80-1 Spartium junceum L., fam. Leguminosae (Papilionaceae) 0.01%
Plumeria rubra flower headspace (China) Plumeria rubra L. cultivar Acutifolia, fam. Apocynaceae 2.3%
Juniperus rigida (Japan) 2 Juniperus rigida Mig., fam. Cupressaceae 0.05%
Juniperus rigida (China) Juniperus rigida Mig., fam. Cupressaceae 0.05%
Juniperus rigida (Korea) Juniperus rigida Mig., fam. Cupressaceae 0.2%
Nicotiana forgetiana flower Nicotiana forgetiana Hort. ex Hensley (subgenus Petunioides), Solanaceae 0.71%
Pistacia vera fruit hull (Turkey) Pistacia vera L., fam. Anacardiaceae 0.11%
Origanum micranthum (Turkey) Origanum micranthum Vogel, fam. Lamiaceae (Labiatae) 0.03%
Teucrium heterophyllum (Madeira) Teucrium heterophyllum L'Her. (T. canariensis), fam. Lamiaceae (Labiatae) 0.95%
Lavandula pinnata Lavandula pinnata L. fil va. pinnata, fam Lamiaceae (Labiatae) 0.4%
Indian curry leaf tree (leaf) Murraya koenigii Spreng., fam. Rutaceae 0.4%
Celery seed (China) 3a 8015-90-5 Apium graveolens L., fam. Apiaceae (Umbelliferae) 0.79%
Celery seed (China) 3b 8015-90-5 Apium graveolens L., fam. Apiaceae (Umbelliferae) 0.33%
Pelargonium reniforme Pelargonium reniforme Curt., fam. Geraniaceae 0.1%
Psidium cattleianum fruit (R‚union Island) Psidium cattleianum Sabine, fam. Myrtaceae 0.1%
Juniper leaf (Sweden) 8012-91-7 Juniperus communis L., fam. Cupressaceae 0.05%
Hyptis crenata (Brazil) Hyptis crenata Pohl ex Benth, fam. Lamiaceae (Labiatae) 0.02%
Kohlrabi, green (seed) Brassica oleraceae var. gongylodes, fam. Brassicaceae (Cruciferae) 0.4%
Nepeta betonicifolia (Turkey) Nepeta betonicifolia C.A. Meyer, fam. Lamiaceae (Labiatae) 0.2%
Calamus (India) 3 root 8015-79-0 Acorus calamus L., fam. Araceae 0.52%
Carapa guianensis Carapa guianensis Aubl., fam. Meliaceae 0.2%
Decalepis hamiltonii root (India) Decalepis hamiltonii (Wight & Arn), fam. Asclepiadaceae 0.08%
Leea guineensis (Cameroon) 1a wood Leea guineensis G. Don, fam. Leeaceae 4.8%
Tordylium apulum fruit (Turkey) Tordylium apulum L., fam. Apiaceae (Umbelliferae) 3.9%
Tordylium pustulosum fruit (Turkey) Tordylium pustulosum Boiss., fam. Apiaceae (Umbelliferae) 1.5%
Argyranthemum adauctum ssp. erythrocarpon Argyranthemum adauctum ssp. erythrocarpon Humphries, fam. Asteraceae 0.01%
Hypericum perfoliatum (Greece) Hypericum perfoliatum L., fam. Guttiferae (Hyperiaceae) 0.02%
Oregano, greek (Greece) 2 84012-24-8 Origanum vulgare L. ssp. hirtum (Link) Ietsw., fam. Lamiaceae (Labiatae) 0.2%