苯醚-联苯低共熔物

Description

Phenyl ether-biphenyl eutectic · CAS 8004-13-5 · C12H10O.C12H10. Boiling Point: 494 °F at 760 mmHg (USCG, 1999); Boiling Point: 257 °C; Boiling Point: 495 °F.

Identification

CAS Registry Number	8004-13-5
PubChem CID	24670
Molecular formula	C12H10O.C12H10
IUPAC name	1,1'-biphenyl;phenoxybenzene

Computed Descriptors

Molecular Weight	324.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	3
Exact Mass	324.151415257
Monoisotopic Mass	324.151415257
Topological Polar Surface Area	9.2
Heavy Atom Count	25
Formal Charge	0
Complexity	216

Physical & Chemical Properties

Boiling Point	494 °F at 760 mmHg (USCG, 1999)
Boiling Point	257 °C
Boiling Point	495 °F
Melting Point	54 °F (USCG, 1999)
Melting Point	12.2 °C
Melting Point	54 °F
Flash Point	255 °F (USCG, 1999)
Flash Point	255 °F
Flash Point	255 °F OC.
Flash Point	239 °F

Physical description & handling notes

• Dowtherm appears as light to dark brown fragrant liquid. May float or sink in water. Freezing point is 54 °F. (USCG, 1999)
• Colorless to straw-colored liquid or solid (below 54 degrees F) with a disagreeable, aromatic odor. [Note: A mixture typically contains 75% phenyl ether & 25% biphenyl.]; [NIOSH]
• Colorless to straw-colored liquid or solid (below 54 °F) with a disagreeable, aromatic odor. [Note: A mixture typically contains 75% phenyl ether & 25% biphenyl.]
• Colorless to straw-colored liquid or solid (below 54 degrees F) ... [Note: A mixture typically contains 75% phenyl ether & 25% biphenyl].
• ... Disagreeable aromatic odor.
• Insoluble (NIOSH, 2024)

GHS Hazard Classification

Reported hazard statements	H315 (100%), H319 (100%), H335 (100%), H400 (100%), H410 (100%)

Documented Uses

• Used as a heat transfer medium at temperatures below 380 degrees C; [HSDB]
• Dowtherm A is used as a heat transfer agent in the liquid or vapor phase at temperatures below 380 °C mainly in the manufacture of synthetic rubber, artificial fibers, plastics, and pigments.
• Trademark for a group of liquid heat transfer media /Dowtherm/
• IT IS EUTECTIC MIXT CONSISTING OF 73.5% PHENYL ETHER & 26.5% BIPHENYL BY WT.
• 100% AS A HEAT TRANSFER MEDIUM (1972)
• (1972) GREATER THAN 4.54X10+5 GRAMS

Synonyms

8004-13-5; Diphyl; DOWTHERM A; Dowtherm; Therminol VP; Phenyl ether, compd with biphenyl; 1,1'-Biphenyl, mixt. with 1,1'-oxybis(benzene); RefChem:590410; 616-827-0; PHENYL ETHER-BIPHENYL EUTECTIC; Biphenyl diphenyl ether eutectic; Dowtherm(R) A; 1,1'-biphenyl compound with oxydibenzene; MFCD00148859; 1,1'-biphenyl;phenoxybenzene; Phenyl Ether-biphenyl Eutectic(w/w=7/3)

Frequently Asked Questions

What are the CAS number and molecular formula of Phenyl ether-biphenyl eutectic?

CAS 8004-13-5; molecular formula C12H10O.C12H10; molecular weight — g/mol.

What other names is Phenyl ether-biphenyl eutectic known by?

8004-13-5, Diphyl, DOWTHERM A, Dowtherm, Therminol VP, Phenyl ether, compd with biphenyl.

Is Phenyl ether-biphenyl eutectic classified as hazardous?

Hazard statements reported: H315, H319, H335, H400, H410.

What are the key physical properties of Phenyl ether-biphenyl eutectic?

Boiling Point: 494 °F at 760 mmHg (USCG, 1999); Boiling Point: 257 °C; Boiling Point: 495 °F; Melting Point: 54 °F (USCG, 1999).

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.