CAS No.199-26-8,m-Terphenyl Suppliers

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Basic Information

Molecular Structure:
CAS No.:	199-26-8
Name:	m-Terphenyl

Formula:	C21H12N4
Molecular Weight:	320.353
Synonyms:	Benzo[a]pyrido[1',2':1,2]imidazo[4,5-c]phenazin;
PSA:	43.08000
LogP:	4.73710

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Chemistry

Chemistry informtion about M-Terphenyl (CAS NO.199-26-8) is:
IUPAC Name: 1,3-Diphenylbenzene
Synonyms: M-Terphenyl
MF: C₁₈H₁₄
MW: 230.3
EINECS: 207-332-7
Density: 1.046 g/cm³
Flash Point: 175.7 °C
Boiling Point: 365 °C at 760 mmHg
Vapour Pressure: 3.4E-05 mmHg at 25°C
Enthalpy of Vaporization: 58.72 kJ/mol
Following is the molecular structure of M-Terphenyl (CAS NO.199-26-8) is:

Uses

M-Terphenyl (CAS NO.199-26-8) is used in the production of polychlorinated terphenyls, which were formerly used as heat storage and transfer agents.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	oral	2400mg/kg (2400mg/kg)	gastrointestinal: "hypermotility, diarrhea" skin and appendages (skin): hair: other	American Industrial Hygiene Association Journal. Vol. 23, Pg. 372, 1962.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Moderately toxic by ingestion. Combustible when exposed to heat or flame. To fight fire, use water, CO₂, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.

Standards and Recommendations

OSHA PEL: CL 0.5 ppm
ACGIH TLV: TWA CL 0.5 ppm

Specification

M-Terphenyl (CAS NO.199-26-8) is a yellow solid.It is insoluble in water.
First Aid Measures:
Eye: If this chemical contacts the eyes, immediately wash the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately. Contact lenses should not be worn when working with this chemical.
Skin: If this chemical contacts the skin, immediately flush the contaminated skin with water. If this chemical penetrates the clothing, immediately remove the clothing and flush the skin with water. Get medical attention promptly.
Breathing: If a person breathes large amounts of this chemical, move the exposed person to fresh air at once. If breathing has stopped, perform mouth-to-mouth resuscitation. Keep the affected person warm and at rest. Get medical attention as soon as possible.
Swallow: If this chemical has been swallowed, get medical attention immediately.