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91-20-3

91-20-3 Structure

91-20-3 Structure
IdentificationMore
[Name]

Naphthalene
[CAS]

91-20-3
[EINECS(EC#)]

202-049-5
[Molecular Formula]

C10H8
[MDL Number]

MFCD00001742
[Molecular Weight]

128.17
[MOL File]

91-20-3.mol
Chemical PropertiesBack Directory
[Appearance]

white to almost white crystals, crystalline flakes
[mp ]

80-82 °C(lit.)
[bp ]

218 °C(lit.)
[density ]

0.99
[vapor density ]

4.4 (vs air)
[vapor pressure ]

0.03 mm Hg ( 25 °C)
[refractive index ]

1.5821
[Fp ]

174 °F
[storage temp. ]

APPROX 4°C
[Water Solubility ]

30 mg/L (25 ºC)
[Merck ]

14,6370
[BRN ]

1421310
[CAS DataBase Reference]

91-20-3(CAS DataBase Reference)
[NIST Chemistry Reference]

Naphthalene(91-20-3)
[EPA Substance Registry System]

91-20-3(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xn,N,F,T
[Risk Statements ]

R22:Harmful if swallowed.
R40:Limited evidence of a carcinogenic effect.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R67:Vapors may cause drowsiness and dizziness.
R65:Harmful: May cause lung damage if swallowed.
R38:Irritating to the skin.
R11:Highly Flammable.
R39/23/24/25:Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
[Safety Statements ]

S36/37:Wear suitable protective clothing and gloves .
S46:If swallowed, seek medical advice immediately and show this container or label .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S16:Keep away from sources of ignition - No smoking .
S7:Keep container tightly closed .
[RIDADR ]

UN 1334 4.1/PG 3
[WGK Germany ]

3
[RTECS ]

QJ0525000
[HazardClass ]

4.1
[PackingGroup ]

III
[HS Code ]

29029010
[Hazardous Substances Data]

91-20-3(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

PETROLEUM ETHER-->Biphenyl-->KAOLIN-->COAL TAR-->COAL TAR-->Indene-->ETHYLENE-->1,2,3,4-Tetrahydronaphthalene-->DODECYLBENZENE-->Technical naphthalene-->Phenol oil
[Preparation Products]

Phthalic anhydride-->1-Naphthol-->2-Naphthol-->Benzoic acid-->1-Aminonaphthalene-->Glycerite-->Linolenic acid-->2-Amino-4,8-naphthalenedisulfonic acid-->DIBENZANTHRONE-->NAPHTHENIC ACID-->Peri acid-->1-Naphthalene acetic acid-->1'-Acetonaphthone-->1-Aminonaphthalene-6-sulfonic acid-->5-Amino-1-naphthalenesulfonic acid-->Vat Yellow 2-->1,4,5,8-Naphthalenetetracarboxylic acid-->2-Methylbutane-->1-Iodonaphthalene-->BUTYLNAPHTHALENESULFONIC ACID SODIUM SALT-->1,5-Naphthalenedisulfonic acid-->Vat Yellow 4-->Vat Brown 5-->Slushing agent,high efficiency-->SEC-BUTYLAMINE-->BARIUM DINONYLNAPHTHALENESULFONATE-->Slushing agent-->1,5-Dihydroxy naphthalene-->synthetic fiber oil QDC-201-->disodium methylenebisnaphthalenesulphonate-->1-Nitronaphthalene-->Sodium poly[(naphthaleneformaldehyde)sulfonate]-->2,6-DIMETHYLNAPHTHALENE-->Dispersing agent DN-->dispersing agent CNF-->1-Naphthol-5-sulfonic acid
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Naphthalene(91-20-3).msds
Hazard InformationBack Directory
[Reactivity Profile]

Vigorous reactions, sometimes amounting to explosions, can result from the contact between aromatic hydrocarbons, such as NAPHTHALENE, and strong oxidizing agents. They can react exothermically with bases and with diazo compounds. Substitution at the benzene nucleus occurs by halogenation (acid catalyst), nitration, sulfonation, and the Friedel-Crafts reaction. Naphthalene, camphor, glycerol, or turpentine will react violently with chromic anhydride [Haz. Chem. Data 1967. p 68]. Friedel-Crafts acylation of naphthalene using benzoyl chloride, catalyzed by AlCl3, must be conducted above the melting point of the mixture, or the reaction may be violent [Clar, E. et al., Tetrahedron, 1974, 30, 3296].
[Air & Water Reactions]

Highly flammable. Insoluble in water.
[Health Hazard]

Fire may produce irritating and/or toxic gases. Contact may cause burns to skin and eyes. Contact with molten substance may cause severe burns to skin and eyes. Runoff from fire control may cause pollution.
[Fire Hazard]

Flammable/combustible material. May be ignited by friction, heat, sparks or flames. Some may burn rapidly with flare burning effect. Powders, dusts, shavings, borings, turnings or cuttings may explode or burn with explosive violence. Substance may be transported in a molten form at a temperature that may be above its flash point. May re-ignite after fire is extinguished.
Spectrum DetailBack Directory
[Spectrum Detail]

Naphthalene(91-20-3)MS
Naphthalene(91-20-3)13CNMR
Naphthalene(91-20-3)1HNMR
Naphthalene(91-20-3)Raman
Naphthalene(91-20-3)IR1
Naphthalene(91-20-3)IR2
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Naphthalene, 98%(91-20-3)
[Alfa Aesar]

Naphthalene, 99+%(91-20-3)
[Sigma Aldrich]

91-20-3(sigmaaldrich)
[TCI AMERICA]

Naphthalene  Zone Refined (number of passes:23),>99.8%(GC)(91-20-3)
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Company Name:Chengdu XiYa Chemical Technology Co., Ltd.  
Telephone:4008-626-111
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