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1,2,3,4-Tetrahydronaphthalene structure
Chemical Name:
Molecular Formula:
Formula Weight:
MOL File:

1,2,3,4-Tetrahydronaphthalene Properties

Melting point:
−35 °C(lit.)
Boiling point:
207 °C(lit.)
0.973 g/mL at 25 °C(lit.)
vapor density 
4.55 (vs air)
vapor pressure 
0.18 mm Hg ( 20 °C)
refractive index 
n20/D 1.541(lit.)
Flash point:
171 °F
storage temp. 
Store below +30°C.
explosive limit
0.8%, 100°F
Water Solubility 
Air Sensitive
Stable. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference
119-64-2(CAS DataBase Reference)
NIST Chemistry Reference
EPA Substance Registry System
Naphthalene, 1,2,3,4-tetrahydro-(119-64-2)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
  • NFPA
Hazard Codes  Xi,N,Xn
Risk Statements  19-36/38-51/53-65-40
Safety Statements  26-28-61-28A-62-36/37
RIDADR  UN 3082 9/PG 3
WGK Germany  2
RTECS  QK3850000
Autoignition Temperature 723 °F
HS Code  2902 90 00
HazardClass  9
PackingGroup  III
Hazardous Substances Data 119-64-2(Hazardous Substances Data)
Toxicity LD50 orally in rats: 2.86 g/kg (Smyth)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H227 Combustible liquid Flammable liquids Category 4 Warning P210, P280, P370+P378, P403+P235,P501
H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:
P273 Avoid release to the environment.
P281 Use personal protective equipment as required.
P331 Do NOT induce vomiting.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P403+P235 Store in a well-ventilated place. Keep cool.

NFPA 704

Diamond Hazard Value Description
Flammability   2 Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur and multiple finely divided suspended solids that do not require heating before ignition can occur. Flash point between 37.8 and 93.3 °C (100 and 200 °F). (e.g. diesel fuel, sulfur)
Instability   0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)

(NFPA, 2010)

1,2,3,4-Tetrahydronaphthalene price More Price(15)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 429325 1,2,3,4-Tetrahydronaphthalene ReagentPlus , 99% 119-64-2 1l $107 2018-11-13 Buy
Sigma-Aldrich 429325 1,2,3,4-Tetrahydronaphthalene ReagentPlus , 99% 119-64-2 4l $288 2018-11-13 Buy
TCI Chemical T0107 1,2,3,4-Tetrahydronaphthalene >97.0%(GC) 119-64-2 25mL $21 2018-11-22 Buy
TCI Chemical T0107 1,2,3,4-Tetrahydronaphthalene >97.0%(GC) 119-64-2 500mL $30 2018-11-22 Buy
Alfa Aesar A14962 1,2,3,4-Tetrahydronaphthalene, 97% 119-64-2 1000g $40.3 2018-11-13 Buy

1,2,3,4-Tetrahydronaphthalene Chemical Properties,Uses,Production

Chemical Properties

colourless liquid with a mouldy smell


Degreasing agent. Solvent for naphthalene, fats, resins, oils, waxes, used instead of turpentine in lacquers, shoe polishes, floor waxes.


ChEBI: An ortho-fused bicyclic hydrocarbon that is 1,2,3,4-tetrahydro derivative of naphthalene.

General Description

A light colored liquid. May be irritating to skin, eyes and mucous membranes. Flash point 100-141°F.

Air & Water Reactions


Reactivity Profile

1,2,3,4-Tetrahydronaphthalene may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. Oxidizes readily in air to form unstable peroxides that may explode spontaneously [Bretherick 1979 p.151-154].


Irritant to eyes and skin; narcotic in high concentration.

Health Hazard

Liquid may cause nervous disturbance, green coloration of urine, and skin and eye irritation

Purification Methods

Wash tetralin with successive portions of conc H2SO4 until the acid layer is no longer coloured, then wash it with aqueous 10% Na2CO3, and then distilled water. Dry (CaSO4 or Na2SO4), filter, reflux and fractionally distil it under under reduced pressure from sodium or BaO. It can also be purified by repeated fractional freezing. Bass [J Chem Soc 3498 1964] freed tetralin, purified as above, from naphthalene and other impurities by conversion to ammonium tetralin-6-sulfonate. Concentrated H2SO4 (150mL) is added slowly to stirred tetralin (272mL) which is then heated on a water bath for about 2hours for complete solution. The warm mixture, when poured into aqueous NH4Cl solution (120g in 400mL water), gives a white precipitate which, after filtering off, is crystallised from boiling water, washed with 50% aqueous EtOH and dried at 100o. Evaporation of its boiling aqueous solution on a steam bath removes traces of naphthalene. The pure salt (229g) is mixed with conc H2SO4 (266mL) and steam distilled from an oil bath at 165-170o. An ether extract of the distillate is washed with aqueous Na2SO4, and the ether is evaporated, prior to distilling the tetralin from sodium. Tetralin has also been purified via barium tetralin-6-sulfonate, conversion to the sodium salt and decomposed in 60% H2SO4 using superheated steam. [Beilstein 5 H 491, 5 III 1219, 5 IV 1388.]

1,2,3,4-Tetrahydronaphthalene Preparation Products And Raw materials

Raw materials

Preparation Products

1,2,3,4-Tetrahydronaphthalene Suppliers

Global( 211)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Shenzhen Sendi Biotechnology Co.Ltd.
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View Lastest Price from 1,2,3,4-Tetrahydronaphthalene manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-18 1,2,3,4-Tetrahydronaphthalene
US $8.00 / kg 1kg 99% 10TON career henan chemical co

1,2,3,4-Tetrahydronaphthalene Spectrum

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