Pentaerythritol

Bezeichnung:Pentaerythritol

CAS-Nr115-77-5

Englisch Name:Pentaerythritol

CBNumberCB7852888

SummenformelC5H12O4

Molgewicht136.15

MOL-Datei115-77-5.mol

Pentaerythritol physikalisch-chemischer Eigenschaften

Schmelzpunkt	253-258 °C (lit.)
Siedepunkt	276 °C/30 mmHg (lit.)
Dichte	1.396
Dampfdruck	<1 mm Hg ( 20 °C)
Brechungsindex	1.548
Flammpunkt	240 °C
storage temp.	Store below +30°C.
Löslichkeit	H₂O: 0.1 g/mL, clear, colorless
Aggregatzustand	Crystals
pka	13.55±0.10(Predicted)
Farbe	White
PH	3.5-4.5 (100g/l, H2O, 35℃)
Geruch (Odor)	odorless
Wasserlöslichkeit	1 g/18 mL (15 ºC)
Sensitive	Hygroscopic
Merck	14,7111
BRN	1679274
Expositionsgrenzwerte	ACGIH: TWA 10 mg/m3 OSHA: TWA 15 mg/m3; TWA 5 mg/m3 NIOSH: TWA 10 mg/m3; TWA 5 mg/m3
Stabilität	Stable. Incompatible with strong acids, strong oxidizing agents, acid chlorides, acid anhydrides. Combustible.
InChIKey	WXZMFSXDPGVJKK-UHFFFAOYSA-N
LogP	-1.7 at 22℃
CAS Datenbank	115-77-5(CAS DataBase Reference)
NIST chemische Informationen	1,3-Propanediol, 2,2-bis(hydroxymethyl)-(115-77-5)
EPA chemische Informationen	Pentaerythritol (115-77-5)

Sicherheit

R-Sätze:	33
S-Sätze:	24/25
OEB	B
OEL	TWA: 10 mg/m3 (total)
WGK Germany	1
RTECS-Nr.	RZ2490000
Selbstentzündungstemperatur	490 °C
TSCA	Yes
HS Code	29054200
Giftige Stoffe Daten	115-77-5(Hazardous Substances Data)
Toxizität	LD50 orally in Rabbit: > 5110 mg/kg LD50 dermal Rabbit > 10000 mg/kg

Gefahreninformationscode (GHS)

Pentaerythritol Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R33:Gefahr kumulativer Wirkungen.
S-Sätze Betriebsanweisung:
S24/25:Berührung mit den Augen und der Haut vermeiden.
Chemische Eigenschaften
Pentaerythritol is a white crystalline solid. Odorless.
Verwenden
Pentaerythritol is a versatile starting material to synthesize various dendrimers and star-shaped polymers. It is widely used in the preparation of flame-retardant epoxy resins and polymer composites. It is also used in the synthesis of the vasodilator, pentaerythritol tetranitrate (PETN).
Verwenden
Pentaerythritol is a compound most commonly used in cosmetics (in its rosinate form). It is used as a skin conditioning agent (used as part of a cream base in lotions), and is also used to increase viscosity of cosmetic formulations.
Verwenden
In the manufacture of pentaerythritol tetranitrate; alkyd resins in surface-coating compositions; pentaerythritol triacrylate and protective coatings; insecticides; pharmaceuticals
Definition
pentaerythritol: white crystallinecompound, C(CH₂OH)₄; m.p.260°C; b.p. 276°C (30 mmHg). It isused in making the explosive pentaerythritoltrinitrate and in producingresins and other organicproducts.
Allgemeine Beschreibung
Odorless white solid. Sinks and mixes slowly with water.
Air & Water Reaktionen
Water soluble.
Reaktivität anzeigen
Pentaerythritol is an alcohol. Pentaerythritol is incompatible with the following: Organic acids, oxidizers [Note: Explosive compound is formed when a mixture of PE & thiophosphoryl chloride is heated.] .
Reaktivität anzeigen
The four primary hydroxyl groups undergo the normal reactions of OH groups. Pentaerythritol is oxidized to tris (hydroxymethyl)acetic acid by air in the presence of platinum or palladium.
Health Hazard
Non-toxic; no symptoms likely
Flammability and Explosibility
Not classified
Sicherheitsprofil
Mildly toxic by ingestion. A nuisance dust. Flammable from heat or flame or oxidizers. Wxtures with thiophosphoryl chloride react when heated to form a product that ignites and then explodes on contact with air. Used in coatings, stabdizers, explosives, P.E.T.N resins, drugs, insecticides, and lubricants When heated to decomposition it emits acrid smoke and irritating fumes
mögliche Exposition
Pentaerythritol is used in coatings and stabilizers; in the formation of alkyd resins and varnishes. It is used as an intermediate in the manufacture of plasticizers, explosives (PETN),and pharmaceuticals.
Versand/Shipping
UN1987 Alcohols, n.o.s., Hazard Class: 3; Labels: 3-Flammable liquid.
läuterung methode
Reflux pentaerythritol with an equal volume of MeOH, then cool, and the precipitate is collected and dried at 90o. It can also be crystallised from dilute aqueous HCl. After sublimation under high vacuum at 200o it has m 265.5o. Its solubility in H2O is 10%. [Beilstein 18 III 2361, 1 IV 2812.]
Inkompatibilitäten
Dust may form explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong acids, organic acids, strong bases. Aquesous solution is acidic. Explosive compound is formed when a mixture of Pentaerythritol and thiophosphoryl chloride (CAS 3892-91-0) is heated.

Pentaerythritol Upstream-Materialien And Downstream Produkte

115-77-5, Pentaerythritol Verwandte Suche:

Send Inquriy