3,4-Dichlorphenylisocyanat

Bezeichnung:3,4-Dichlorphenylisocyanat

CAS-Nr102-36-3

Englisch Name:Isocyanic acid 3,4-dichlorophenyl ester

CBNumberCB9761511

SummenformelC7H3Cl2NO

Molgewicht188.01

MOL-Datei102-36-3.mol

Synonyma

3,4-Dichlorphenylisocyanat

3,4-Dichlorphenylisocyanat physikalisch-chemischer Eigenschaften

Schmelzpunkt	41-43 °C(lit.)
Siedepunkt	118-120 °C18 mm Hg(lit.)
Dichte	1.3256 (rough estimate)
Dampfdruck	0.2 mm Hg ( 20 °C)
Brechungsindex	1.5750 (estimate)
Flammpunkt	>230 °F
Aggregatzustand	powder to lump
Farbe	White to Almost white
Geruch (Odor)	wh. to yel. cryst. solid with irritating odor
Wasserlöslichkeit	decomposes
Sensitive	Moisture Sensitive
BRN	608325
LogP	3.88
CAS Datenbank	102-36-3(CAS DataBase Reference)
NIST chemische Informationen	Benzene, 1,2-dichloro-4-isocyanato-(102-36-3)
EPA chemische Informationen	3,4-Dichlorophenyl isocyanate (102-36-3)

Sicherheit

Kennzeichnung gefährlicher	T
R-Sätze:	23-36/37/38-42
S-Sätze:	22-26-36/37/39-45
RIDADR	UN 2250 6.1/PG 2
WGK Germany	2
RTECS-Nr.	NQ8760000
F	1-8-10-19
TSCA	Yes
HazardClass	6.1
PackingGroup	II
HS Code	29291090
Giftige Stoffe Daten	102-36-3(Hazardous Substances Data)

Gefahreninformationscode (GHS)

Isocyanic acid 3,4-dichlorophenyl ester Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R23:Giftig beim Einatmen.
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R42:Sensibilisierung durch Einatmen möglich.
S-Sätze Betriebsanweisung:
S22:Staub nicht einatmen.
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
Beschreibung
The dichlorophenyl isocyanates are combustible, crystalline (sugar- or sand-like) solids. In general, theyare white to yellow in color, but the 1,4-dichloro-2-phenylisomer is white to light green. Their flash points are generally .113℃ but that of the 1,3-dichloro-2-phenyl isomer isreported as 77℃. These chemicals are insoluble in water,and some may be reactive. 1,2-dichloro-4-isomer (CAS102-36-3) is the isomer of regulatory focus: Freezing/Melting point=42-43℃. Molecular weight=188.01;Boiling point=243℃; Freezing/Melting point=42℃.Reacts with water.
Chemische Eigenschaften
White low melting solid
Chemische Eigenschaften
The dichlorophenyl isocyanates are combustible, crystalline (sugar or sand-like) solids. In general, they are white to yellow in color, but the 1,4-dichloro-2-phenyl isomer is white to light green. Their flash points are generally .113C but that of the 1,3-dichloro-2-phenyl isomer is reported as 77C. These chemicals are insoluble in water, and some may be reactive. 1,2-dichloro-4-isomer (CAS 102-36-3) is the isomer of regulatory focus
Verwenden
Methyl-labeled diuron was prepared by the reaction of 3,4-dichlorophenyl- isocyanate with C '"labeled dimethylamine.Substituted urea derivatives were prepared by reacting 3,4-dichlorophenyl isocyanate with amino acids, dipeptides, histamine. The R- and S-isomers and RS-racemate of MBPU were synthesized by allowing equimolar quantities of 3,4-dichlorophenyl- isocyanate
Verwenden
3,4-Dichlorophenyl isocyanate was used in the synthesis of 1,5-disubstituted-2-thiobiuret derivatives via reaction with thioureido-containing aromatic/heterocyclic sulfonamides.
Allgemeine Beschreibung
White to yellow solid. Used as a chemical intermediate and in organic synthesis.
Reaktivität anzeigen
Isocyanates and thioisocyanates, such as Isocyanic acid 3,4-dichlorophenyl ester, are incompatible with many classes of compounds, reacting exothermically to release toxic gases. Reactions with amines, aldehydes, alcohols, alkali metals, ketones, mercaptans, strong oxidizers, hydrides, phenols, and peroxides can cause vigorous releases of heat. Acids and bases initiate polymerization reactions in these materials. Some isocyanates react with water to form amines and liberate carbon dioxide.
Health Hazard
Strong irritant to tissue, especially eyes and mucous membranes
Brandgefahr
Inhalation of dust is poisonous; fire may produce irritating or poisonous gases.
Flammability and Explosibility
Not classified
mögliche Exposition
Those materials used as chemical intermediates
Erste Hilfe
If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give large quantities of water and inducevomiting. Do not make an unconscious person vomit.
Lager
Color Code—Blue: Health Hazard/Poison: Storein a secure poison location. Prior to working with these chemicals you should be trained on its proper handling and storage. Store to avoid contact with alcohols, strong bases(such as potassium hydroxide and sodium hydroxide), carboxylic acids, amines, and metals since violent reactionsoccur. Store in tightly closed containers in a dry, cool, wellventilated area away from moisture and temperatures above40℃.
Versand/Shipping
UN2250 Dichlorophenyl isocyanates, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
Inkompatibilitäten
May form explosive mixture with air. Isocyanates are highly flammable and reactive with many compounds, even with themselves. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Reaction with moist air, water or alcohols may form amines and insoluble polyureas and react exothermically, releasing toxic, corrosive or flammable gases, including carbon dioxide; and, at the same time, may generate a violent release of heat increasing theconcentration of fumes in the air. Incompatible with amines, aldehydes, alkali metals, ammonia, carboxylic acids, caprolactum, alkaline materials, glycols, ketones, mercaptans, hydrides, organotin catalysts, phenols, strong acids, strong bases, strong reducing agents such as hydrides, urethanes, and ureas. Elevated temperatures or contact with acids, bases, tertiary amines, and acylchlorides may cause explosive polymerization. Contact with metals may evolve flammable hydrogen gas. Attacks some plastics, rubber, and coatings.
Waste disposal
Combustion in an incinerator equipped with afterburner and fume scrubber

Isocyanic acid 3,4-dichlorophenyl ester Upstream-Materialien And Downstream Produkte

3,4-Dichlorphenylisocyanat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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