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o-terphenyl

CAS 84-15-1C18H14MW 230.3

o-terphenyl (CAS No. 84-15-1) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Organic Chemicals. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.

Specifications

CAS Number84-15-1
Molecular FormulaC18H14
Molecular Weight230.3
Melting Point136 °F (NIOSH, 2024)
Boiling Point630 °F at 760 mmHg (NIOSH, 2024)
LogP6
Purity按批次COA提供(不公开发布)
Packaging按订单/批次确认(不公开发布)
ApplicationsOrganic Chemicals
CategoryOrganic Chemicals

Where it is used

Organic Chemicals

Packaging & Supply

Packaging按订单/批次确认(不公开发布)
Purity按批次COA提供(不公开发布)
StorageSealed, cool and dry place
Lead TimeIn stock / per order

Documents & Support

COA provided with every batch; MSDS and technical documents available on request. Email us with product name and CAS number for a quote within one business day.

Frequently Asked Questions

What is the CAS number of o-terphenyl?

The CAS number of o-terphenyl is 84-15-1.

What purity and packaging are available?

Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.

What are the applications of o-terphenyl?

Main applications include Organic Chemicals.

How do I buy o-terphenyl or get a quote?

Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..

PubChem Public Data

Description

o-terphenyl · CAS 84-15-1 · C18H14. UNII W5675R7KVW. Boiling Point: 630 °F at 760 mmHg (NIOSH, 2024); Boiling Point: 332 °C AT 760 MM HG; Boiling Point: 332 °C.

Identification

CAS Registry Number84-15-1
PubChem CID6766
Molecular formulaC18H14
IUPAC name1,2-diphenylbenzene
UNII (FDA)W5675R7KVW

Computed Descriptors

Molecular Weight230.3
XLogP36
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count2
Exact Mass230.109550447
Monoisotopic Mass230.109550447
Topological Polar Surface Area0
Heavy Atom Count18
Formal Charge0

Physical & Chemical Properties

Boiling Point630 °F at 760 mmHg (NIOSH, 2024)
Boiling Point332 °C AT 760 MM HG
Boiling Point332 °C
Boiling Point630 °F
Melting Point136 °F (NIOSH, 2024)
Melting Point56.2 °C
Melting Point136 °F
Flash Point325 °F (NIOSH, 2024)
Flash Point163 °C
Flash Point325 °F (163 °C) (OPEN CUP)

Physical description & handling notes

  • O-terphenyl appears as colorless or light-yellow solid. mp: 58-59 °C, bp: 337 °C. Density: 1.16 g/cm3. Insoluble in water. Usually shipped as a solid mixture with its isomers m-terphenyl and p-terphenyl that is used as a heat-transfer fluid.
  • Liquid
  • Colorless or light-yellow solid; [NIOSH]
  • COLOURLESS-TO-LIGHT-YELLOW CRYSTALS.
  • Colorless or light-yellow solid.
  • MONOCLINIC PRISMS FROM METHANOL

GHS Hazard Classification

Reported hazard statementsH302 (100%), H315 (84.5%), H319 (84.5%), H335 (91.4%), H400 (74.1%), H331

H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]

H315 (84.5%): Causes skin irritation [Warning Skin corrosion/irritation]

Documented Uses

  • Terphenyl mixtures are used as heat transfer media, dye carriers, and in the production of lubricants; [ACGIH]
  • Terphenyl mixtures are used industrially as heat storage and transfer agents, as textile dye carriers, and as intermediates in the production of nonspreading lubricants. From 1960-1970, technical grade terphenyls were used as coolants for nuclear reactors, whereas contemporary use has been in solar-heating systems. /Terphenyl mixtures/
  • o-Terphenyl is used as a plasticizer for polystyrene for thermoplastic recording.
  • Terphenyls are byproducts in the production of biphenyl by dehydrocondensation of benzene; they are found in the high-boiling fraction of the pyrolysis products. o-Terphenyl is readily separated from the terphenyl isomer mixture by distillation.
  • All Other Basic Organic Chemical Manufacturing
  • IT /TERPHENYL/ OCCURS NATURALLY IN PETROLEUM OIL. ...3 CHEMICAL ISOMERS...OF WHICH ORTHO & PARA FORMS APPEAR INDUSTRIALLY MOST PREVALENT. /TERPHENYLS/

Synonyms

O-TERPHENYL; 84-15-1; 1,2-Diphenylbenzene; 1,1':2',1''-Terphenyl; ortho-terphenyl; 2-Phenylbiphenyl; 1,1'-Biphenyl, 2-phenyl-; CCRIS 1655; DTXSID1049697; HSDB 2538; NSC 6809; EINECS 201-517-6; W5675R7KVW; AI3-01402; NSC-6809; TERPHENYL, O-

Frequently Asked Questions

What are the CAS number and molecular formula of o-terphenyl?

CAS 84-15-1; molecular formula C18H14; molecular weight — g/mol.

What other names is o-terphenyl known by?

O-TERPHENYL, 84-15-1, 1,2-Diphenylbenzene, 1,1':2',1''-Terphenyl, ortho-terphenyl, 2-Phenylbiphenyl.

Is o-terphenyl classified as hazardous?

Hazard statements reported: H302, H315, H319, H335, H400.

What are the key physical properties of o-terphenyl?

Boiling Point: 630 °F at 760 mmHg (NIOSH, 2024); Boiling Point: 332 °C AT 760 MM HG; Boiling Point: 332 °C; Boiling Point: 630 °F.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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