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1-Tetralone

CAS No.
529-34-0
Chemical Name:
1-Tetralone
Synonyms
3,4-Dihydronaphthalen-1(2H)-one;tetralone;α-Tetralone;A-TETRALONE;ALPHA-TETRALONE;3,4-DIHYDRO-2H-NAPHTHALEN-1-ONE;3,4-DIHYDRO-1(2H)-NAPHTHALENONE;1(2H)-Naphthalenone, 3,4-dihydro-;1,2,3,4-Tetrahydronaphthalen-1-one;Tetralin-1-one
CBNumber:
CB7357499
Molecular Formula:
C10H10O
Molecular Weight:
146.19
MDL Number:
MFCD00001688
MOL File:
529-34-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 05:34:06

1-Tetralone Properties

Melting point 2-7 °C(lit.)
Boiling point 113-116 °C6 mm Hg(lit.)
Density 1.099 g/mL at 25 °C(lit.)
refractive index n20/D 1.568(lit.)
Flash point >230 °F
storage temp. 2-8°C
solubility Chloroform, Ethyl Acetate (Slightly)
form Liquid
color brown
Water Solubility insoluble
BRN 607374
InChI 1S/C10H10O/c11-10-7-3-5-8-4-1-2-6-9(8)10/h1-2,4,6H,3,5,7H2
InChIKey XHLHPRDBBAGVEG-UHFFFAOYSA-N
SMILES O=C1CCCc2ccccc12
CAS DataBase Reference 529-34-0(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 6VT52A15HY
NIST Chemistry Reference 1(2H)-Naphthalenone, 3,4-dihydro-(529-34-0)
EPA Substance Registry System 1,2,3,4-Tetrahydronaphthalen-1-one (529-34-0)
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P264-P270-P301+P312-P501
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  Xn
Risk Statements  22-20/22-20/21/22
Safety Statements  23-24/25-36
WGK Germany  3
RTECS  QK4375000
TSCA  TSCA listed
HS Code  29143900
Storage Class 10 - Combustible liquids
Hazard Classifications Acute Tox. 4 Oral
Hazardous Substances Data 529-34-0(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 810 mg/kg LD50 dermal Rabbit > 2200 mg/kg
REACH Registrations Active
NFPA 704
1
1 0

1-Tetralone price More Price(71)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich T19003 α-Tetralone 97% 529-34-0 5g $33.8 2026-04-30 Buy
Sigma-Aldrich 8.08203 1,2,3,4-Tetrahydro-1-naphthalenone for synthesis 529-34-0 100mL $79.7 2026-04-30 Buy
Sigma-Aldrich PHR3081 Phenylbutyrate Related Compound B pharmaceutical secondary standard, certified reference material 529-34-0 200MG $668 2026-04-30 Buy
Sigma-Aldrich 8.08203 1,2,3,4-Tetrahydro-1-naphthalenone for synthesis 529-34-0 250ML $154 2026-04-30 Buy
Sigma-Aldrich 1614556 Phenylbutyrate Related Compound B United States Pharmacopeia (USP) Reference Standard 529-34-0 100mg $969 2026-04-30 Buy
Product number Packaging Price Buy
T19003 5g $33.8 Buy
8.08203 100mL $79.7 Buy
PHR3081 200MG $668 Buy
8.08203 250ML $154 Buy
1614556 100mg $969 Buy

1-Tetralone Chemical Properties, Uses, Production

Chemical Properties

Clear amber to brown oily liquid

Uses

1-Tetralone is a reagent used in the synthesis of amino-pyrazolopyridines with anti-NF-κB and pro-apoptotic potential.

Production Methods

Intramolecular acylation of 4-phenylbutyric acid to 1,2,3,4-tetrahydronaphthalen-1-one (1-Tetralone).
1-Tetralone production

Synthesis Reference(s)

Tetrahedron Letters, 32, p. 4291, 1991 DOI: 10.1016/S0040-4039(00)92151-8

Purification Methods

Check the IR first. Purify α-tetralone by dissolving 20mL in Et2O (200mL), washing with H2O (100mL), 5% aqueous NaOH (100mL), H2O (100mL), 3% aqueous AcOH (100mL), 5% NaHCO3 (100mL) then H2O (100mL) and dry the ethereal layer over MgSO4. Filter, evaporate and fractionate the residue through a 6in Vigreux column (p 11) under reduced pressure to give a colourless oil (~17g) with b 90-91o/0.50.7mm. [Snyder & Werber Org Synth Coll Vol III 798 1955.] It has also been fractionated through a 0.5metre packed column with a heated jacket under reflux using a partial take-off head. It has max 247.5 and 290nm (hexane). The phenylhydrazone has m 83o. The 2,4,6-trinitrophenylhydrazone has m 247.5-248o (from EtOH). [Olson & Bader Org Synth Coll Vol IV 898 1963, Beilstein 7 H 370, 7 III 1416, 7 IV 1015.]

56685-73-5
529-34-0
Synthesis of 1-Tetralone from Spiro[1,3-dithiane-2,1'(2'H)-naphthalene], 3',4'-dihydro-
Global Suppliers ( 586)
Supplier Tel Email Country ProdList Advantage
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66028182 17714375163 yftan@aikonchem.com China 16674 50
Zhejiang zetian fine chemical co. LTD 0571-87322520 18957127338 June@zetchem.com China 382 58
BTC Pharmaceutical CO. Ltd +86-15716293042 15716293042 info@btcpharm.com China 824 55
Zhejiang Karry Pharmachem Co., Ltd. 19157666807 info@karrypharma.com China 37 58
Nantong Xiaochang Pharmaceutical Trading Co., Ltd. 0513-82104991 15716298942 sales11@btcpharm.com China 859 58
NINGBO JL NEW MATERIAL CO.,LTD 0574 88552218 18969899212 sales@chematerials.cn China 1512 58
Shandong Chenyi Environmental Protection Technology Co., Ltd 1856-0179988 13355310698 thezzc@outlook.com China 259 58
Shanghai Boyle Chemical Co., Ltd. 021-50182298 021-50180596 sales@boylechem.com China 2202 55
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62

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KETOTETRAHYDRONAPHTHALENE 1,2,3,4-TETRAHYDRO-1-NAPHTHALENONE 1-TETRALONE 3,4-DIHYDRO-1-(2H)NAPHTHALENEONE 1,2,3,4-Tetrahydro-1-oxonaphthalene 1-Tetralone,97% à-Tetralone 1-TETRALONE 98.5+% KETOTETRAHYDRONAPTHALENE 1-TETRALONE pure IHT-FC α-Tetralone IHT-FCα-Tetralone alpha-Tetralone, 98% 100GR alpha-Tetralone, 98% 25GR alpha-Tetralone,85% alpha-Tetralone,98% α-Tetralone ,98% 1,2,3,4-TETRAHYDRO-1-NAPHTHALENONE FOR S alpha-Tetralone 97% 1-4 hydrogen naphthalene ketone α-Tetralone 1,2,3,4-Tetrahydrooxonaphthalene Naphthalenone,3,4-dihydro- 1,2,3,4-Tetrahydro-1-naphthalenone for synthesis 1-Oxo-1,2,3,4-tetrahydronaphthalene 1-Oxote-trahydronaphthalene 1-Oxotetralin 1-Tetrahydronathpalone Tetralole T**1-Tetralone α-TetraL 1,2,3,4-Tetrahydronaphthalen-1-One OR Alpha Tetralone Alpha-Tetralone ( CAS No. 529-34-0) α-Tetralone > α-Tetralone, 98%, for synthesis Phenylbutyrate Related Compound 1 (1-Tetralone) Sodium Phenylbutyrate Impurity 2 (Sodium Phenylbutyrate EP Impurity B) α-Tetralone/1-Tetralone 1-Tetralone 1,2,3,4-Tetrahydro-1-naphthalenone Phenylbutyrate Related Compound B (3,4-dihydronaphthalen-1(2H)-one) (1614556) 3,4-DIHYDRO-2H-NAPHTHALEN-1-ONE 1(2H)-Naphthalenone 2,3,4-Trihydronaphthalen-1-one 3,4-dihydro-1(2h)-naphthalenon Tetralin-1-one 3,4-dihydronaphthalen-1(2H)-one (α-tetralone) Sodium Phenylbutyrate EP Impurity B 1-Tetralone or Alpha Tetralone 1-Tetrahydronaphthalenone alpha-Tetralone, 97% α-Tetralone, CAS 529-34-0 1-Tetralone (1-Oxo-1,2,3,4-tetrahydronaphthalene) 1(2H)-Naphthalenone, 3,4-dihydro- 1,2,3,4-Tetrahydronaphthalen-1-one 3,4-DIHYDRO-1(2H)-NAPHTHALENONE 3,4-Dihydronaphthalen-1(2H)-one ALPHA-TETRALONE A-TETRALONE