Tricresyl Phosphate CAS#1330-78-5

Products Description of Tricresyl Phosphate CAS#1330-78-5

Tricresyl Phosphate (TCP) is a mixture with a slightly pungent odor: of the three isomers, the normal and meta isomers are liquids, while the para isomer is a crystalline solid. TCP can be obtained by treating cresol with phosphorus oxychloride in the presence of an aluminum catalyst. It is used to recover phenol residues in gas plant wastewater and is also used as a plasticizer in the plastics industry. Plasticizers are substances used to increase the flexibility of plastic materials. By changing the amount of plasticizer added, the flexibility, hardness, water resistance and flammability of plastic materials can be changed over a wide range. Sometimes up to 50% TCP is added to polyvinyl chloride[1]. In addition, TCP is toxic to humans and can cause neuropathy, paralysis of the hands and feet, and/or death of humans and animals through ingestion, inhalation, and even absorption through the skin.

Parameters

Melting point	<-40°C
Boiling point	265 °C10 mm Hg(lit.)
density	1.143 g/mL at 25 °C(lit.)
Pour Point	-28
vapor pressure	0.03 mm Hg ( 25 °C)
refractive index	n20/D 1.555(lit.)
Fp	>230 °F
storage temp.	Store below +30°C.
solubility	organic solvents: miscible(lit.)
form	Powder
color	White to off-white
Water Solubility	INSOLUBLE
Merck	14,9763
Dielectric constant	4.0（80℃）
Stability:	Stable. Incompatible with strong oxidizing agents. May soften some plastics. Hydrolyzes slowly under alkaline conditions.
InChIKey	ISNNXHQBIBWQHG-UHFFFAOYSA-N
LogP	5.93
Surface tension	40.9mN/m at 20°C
CAS DataBase Reference	1330-78-5(CAS DataBase Reference)
EPA Substance Registry System	Tricresyl phosphate (1330-78-5)

Safety Information

Hazard Codes	Xn,N,T
Risk Statements	21/22-51/53-39/23/24/25-62-50/53
Safety Statements	28-61-45-28A-20/21-60-36/37
RIDADR	UN 2574 6.1/PG 2
WGK Germany	2
RTECS	TD0175000
Autoignition  Temperature	770 °F
TSCA	Yes
HS Code	2919 90 00
HazardClass	6.1
PackingGroup	II
Hazardous  Substances Data	1330-78-5(Hazardous Substances Data)
Toxicity	cat,LD50,skin,1500mg/kg (1500mg/kg),BEHAVIORAL: ATAXIAPERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE),Toxicology Letters. Vol. 1000(Sp,

Product Application of  Tricresyl Phosphate CAS#1330-78-5

Tricresyl Phosphate is used as plasticizer in vinyl plastics manufacture, as flame-retardant, solvent for nitrocellulose, in cellulosic molding compositions, as additive to extreme pressure lubricants, as a nonflammable fluid in hydraulic systems, as lead scavenger in gasoline: Yust, Bame, US 2889212 (1959 to Shell); to sterilize certain surgical instruments.

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