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Trikresylphosphat (m-m-m,m-m-p,m-p-p,p-p-p)

Tricresyl Phosphate Struktur
1330-78-5
CAS-Nr.
1330-78-5
Bezeichnung:
Trikresylphosphat (m-m-m,m-m-p,m-p-p,p-p-p)
Englisch Name:
Tricresyl Phosphate
Synonyma:
tris(methylphenyl) phosphate;TRITOLYL PHOSPHATE;tricresyl;cresylphosphate;durad;lindol;imols140;kronitex;fyrquel150;nci-c61041
CBNumber:
CB8306429
Summenformel:
C21H21O4P
Molgewicht:
368.36
MOL-Datei:
1330-78-5.mol

Trikresylphosphat (m-m-m,m-m-p,m-p-p,p-p-p) Eigenschaften

Schmelzpunkt:
<-40°C
Siedepunkt:
265 °C10 mm Hg(lit.)
Dichte
1.143 g/mL at 25 °C(lit.)
Pour Point 
-28
Dampfdruck
0.03 mm Hg ( 25 °C)
Brechungsindex
n20/D 1.555(lit.)
Flammpunkt:
>230 °F
storage temp. 
Store below +30°C.
L?slichkeit
organic solvents: miscible(lit.)
Aggregatzustand
Powder
Farbe
White to off-white
Wasserl?slichkeit
INSOLUBLE
Merck 
14,9763
Dielectric constant
4.0(80℃)
Stabilit?t:
Stable. Incompatible with strong oxidizing agents. May soften some plastics. Hydrolyzes slowly under alkaline conditions.
InChIKey
ISNNXHQBIBWQHG-UHFFFAOYSA-N
LogP
5.93
CAS Datenbank
1330-78-5(CAS DataBase Reference)
EPA chemische Informationen
Tricresyl phosphate (1330-78-5)
Sicherheit
  • Risiko- und Sicherheitserkl?rung
  • Gefahreninformationscode (GHS)
Kennzeichnung gef?hrlicher Xn,N,T
R-S?tze: 21/22-51/53-39/23/24/25-62-50/53
S-S?tze: 28-61-45-28A-20/21-60-36/37
RIDADR  UN 2574 6.1/PG 2
WGK Germany  2
RTECS-Nr. TD0175000
Selbstentzündungstemperatur 770 °F
TSCA  Yes
HS Code  2919 90 00
HazardClass  6.1
PackingGroup  II
Giftige Stoffe Daten 1330-78-5(Hazardous Substances Data)
Toxizit?t cat,LD50,skin,1500mg/kg (1500mg/kg),BEHAVIORAL: ATAXIAPERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE),Toxicology Letters. Vol. 1000(Sp,
Bildanzeige (GHS) GHS hazard pictogramsGHS hazard pictograms
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H410 Sehr giftig für Wasserorganismen mit langfristiger Wirkung. Langfristig (chronisch) gew?ssergef?hrdend Kategorie 1 Warnung GHS hazard pictogramssrc="/GHS09.jpg" width="20" height="20" /> P273, P391, P501
Sicherheit
P201 Vor Gebrauch besondere Anweisungen einholen.
P202 Vor Gebrauch alle Sicherheitshinweise lesen und verstehen.
P273 Freisetzung in die Umwelt vermeiden.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.
P308+P313 BEI Exposition oder falls betroffen: ?rztlichen Rat einholen/?rztliche Hilfe hinzuziehen.
P391 Verschüttete Mengen aufnehmen.

Trikresylphosphat (m-m-m,m-m-p,m-p-p,p-p-p) Chemische Eigenschaften,Einsatz,Produktion Methoden

R-S?tze Betriebsanweisung:

R21/22:Gesundheitssch?dlich bei Berührung mit der Haut und beim Verschlucken.
R51/53:Giftig für Wasserorganismen, kann in Gew?ssern l?ngerfristig sch?dliche Wirkungen haben.
R39/23/24/25:Giftig: ernste Gefahr irreversiblen Schadens durch Einatmen, Berührung mit der Haut und durch Verschlucken.

S-S?tze Betriebsanweisung:

S28:Bei Berührung mit der Haut sofort abwaschen mit viel . . . (vom Hersteller anzugeben).
S61:Freisetzung in die Umwelt vermeiden. Besondere Anweisungen einholen/Sicherheitsdatenblatt zu Rate ziehen.
S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn m?glich, dieses Etikett vorzeigen).
S20/21:Bei der Arbeit nicht essen, trinken,rauchen.

Beschreibung

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.

Chemische Eigenschaften

Tricresyl phosphate is an isomeric mixture of phosphoric acid esters of cresols. It is an odourless and colourless oily liquid (molar mass 368.4 g/mol, melting point –33°C).
Tricresyl phosphate
Tricresyl phosphates were used as flame retardants and plasticisers in PVC, nitrocellulose and acrylates.

Verwenden

Tricresyl phosphate (TCP) is used as a solvent for nitrocellulose esters and numerous natural resins. It is a plasticizer for chlorinated rubber, vinyl plastics, polystyrene and polyacrylic and polymethacrylic esters. Tricresyl phosphate also acts as a binder for resins and nitrocellulose to improve toughness, elasticity and polishing properties of coatings. Alone or associated with hydrocarbons, it is used as an antiwear and antifriction additive in numerous synthetic lubricants, incorrectly termed “oils” by reason of their appearance. It is also employed as a hydraulic fluid. When incorporated in gasoline, tricresyl phosphate counteracts the harmful effects of lead deposits. In addition, it is an excellent fire retardant in many industries.
Usually used as a mediator in the preparation of uranium-sensitive electrode based on membrane containing uranium di-(4-octylphenyl)phosphate as sensor.

synthetische

Tricresyl phosphate is prepared by reaction of cresols with phosphorus oxychloride, phosphoric acid, or phosphorus pentachloride:
OPCl3 + 3 HOC6H4CH3 → OP(OC6H4CH3)3 + 3 HCl
The grades of cresol commonly is a mixture of three isomers (o-, m-, p-). The fact that tricresyl phosphate is derived from a mixture and itself is a mixture ensures that it remains liquid over a wide span of temperatures.
A "refined grade" of tricresyl phosphate is prepared by vacuum distillation, or alternatively by washing with 2% sodium hydroxide and water.

Health Hazard

The tricresyl phosphates (TCPs) are part of a series of organophosphorus compounds which have been shown to cause delayed neurotoxicity. The 1930 outbreak of “ginger jake” paralysis was caused by the contamination of ginger extract by cresyl phosphates, used in the processing of the spice. Since that time, there have been several incidents reported of accidental poisoning of food by tri-o-cresyl phosphate (TOCP). There are few case series reports of occupational exposure in the literature. Acute occupational exposures have been described as causing gastrointestinal symptoms followed by a latent period of days to 4 weeks, after which extremity pain and tingling progress to motor paralysis of the lower extremities up to the thighs, and of the upper extremities to the elbow. There is rarely sensory loss. Partial to total recovery may take years. Fatalities have occurred in high-dose ingestion.

Sicherheitsprofil

Moderately toxic by ingestion and skin contact. Human systemic effects by ingestion: flaccid paralysis without anesthesia, motor activity changes, and muscle weakness. An experimental teratogen. Experimental reproductive effects. An eye and skin irritant. Combustible. When heated to decomposition it emits toxic fumes of POx.

m?gliche Exposition

According to the World Health Organization there is no safe level of exposure to Tricresyl Phosphate(TCP).
TCP has been used as a flame retardant in fabric, plastics and rubbers and as a plasticizer in PVC, lacquers, varnishes and nitrocellulose. It is also used as a heat exchange medium and hydraulic fluid. TCP was detected in all house dust samples gathered in two different North American studies.Biomonitoring studies detected TCP in the breast milk of women in Asia and Sweden. EPA has characterized TCP to exhibit moderate persistence in the environment based on biodegradation studies.

l?uterung methode

Dry the ester with CaCl2, percolate it through a column of alumina, then distil it under a vacuum. Alernatively pass it through a packed column of alumina at 150o, with a counter-current stream of nitrogen, under reduced pressure, to remove residual traces of volatile impurities. It also crystallises from pet ether (b 60-80o). [Cherbuliez in Organic Phosphorus Compounds (Kosolapoff & Maier eds) Wiley-Interscience Vol 6 pp 454-457 1973.]

Trikresylphosphat (m-m-m,m-m-p,m-p-p,p-p-p) Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Trikresylphosphat (m-m-m,m-m-p,m-p-p,p-p-p) Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 279)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
Hebei Weibang Biotechnology Co., Ltd
+8615531157085
abby@weibangbio.com China 8810 58
Hebei Mojin Biotechnology Co., Ltd
+86 13288715578 +8613288715578
sales@hbmojin.com China 12835 58
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+86-13131129325
sales1@chuanghaibio.com China 5889 58
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+86-051985861892 +8618112881323
info@wastonchem.com China 260 58
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+86-371-86557731 +86-13613820652
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Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512
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Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418679 +8618949832763
info@tnjchem.com China 2986 55
Tianjin Zhongxin Chemtech Co., Ltd.
+86-022-66880623 +8618622897568
sales@tjzxchem.com China 563 58
career henan chemical co
+86-0371-86658258 +8613203830695
sales@coreychem.com China 29880 58
Hubei Jusheng Technology Co.,Ltd.
18871490254
linda@hubeijusheng.com CHINA 28172 58

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