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Oxalyl Chloride CAS No. 79-37-8

79-37-8 - Names and IdentifiersNameOxalyl chlorideSynonymsOxaloylchlorideOXALYL CHLORIDEOxalyl

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İçerik

79-37-8 - Names and Identifiers

AdıOxalyl chloride
EşanlamlarOxaloylchloride
OXALYL CHLORIDE
Oxalyl chloride
Oxalicdichloride
Oxaloyl chloride
oxalicdichloride
Oxaloyl Chloride
Oxalic Dichloride
OXALYL DICHLORIDE
Oxalyl Dichloride
Oxalic dichloride
Ethanedioyl Chloride
OXALIC ACID CHLORIDE
Oxalic Acid Chloride
Oxalic Acid Dichloride
Ethanedioyl Dichloride
OXALIC ACID DICHLORIDE
Oxalyl chloride solution 2.0 M in methylene chloride
CAS'ın79-37-8
EINECS'in201-200-2
InChI'ninInChI=1/C2Cl2O2/c3-1(5)2(4)6
InChIKeyCTSLXHKWHWQRSH-UHFFFAOYSA-N

79-37-8 - Physico-chemical Properties

Moleküler FormülC2Cl2O2
Molar Kütlesi126.93
Yoğunluk1.5 g/mL at 20 °C (lit.)
Erime noktası-10--8 °C (lit.)
Boling Point62-65 °C (lit.)
Flash Point176-178°C
Su Solubilitytepki veriyor
Buhar Basıncı150 mm Hg ( 20 °C)
Vapor Densitesi4.4 (havaya karşı)
GörüntüLiquid
RenkAPHA: 0-150
Odorpenetrating odor
Maruz kalma sınırıACGIH: TWA 50 ppmOSHA: TWA 25 ppm; STEL 125 ppmNIOSH: IDLH 2300 ppm
Merck'ın14,6914
BRN1361988
Depolama KoşullarıStore Cold
KararlılıkStable. Incompatible with bases, alcohols, steel, oxidizing agents, alkali metals. Moisture sensitive. Reacts violently with water, liberating toxic gas.
HassasMotor duygusu
Kırılma Endeksin20/D 1.429(lit.)
Fiziksel ve Kimyasal Özelliklercolored fuming liquid with pungent odor. Water and ethanol can be vigorously decomposed, cooled to -12 deg C that condensed into white crystalline blocks. Decomposition and evolution of carbon monoxide occurred at 60 °c. Soluble in ether, benzene and chloroform, with corrosive and lacrimal.
KullanımMainly used in the synthesis of pesticides and pesticide intermediates and for the synthesis of other organic chlorides

79-37-8 - Risk and Safety

Risk KodlarıPlease take the official translations! You find them here: http: // europa. eu. int/ eur- lex/ lex/ LexUriServ/ LexUriServ. do? uri=CELEX: 32001L0059: EN: HTML
R20 - Inhalasyon yoluyla zararlı
R29 - Contact with water liberates toxic gas
R34 - Yanıklara neden olur
R40 - Kancerogenik etkisinin sınırlı kanıtları
R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed.
R37 - Nefes sistemine iğrençPlease take the official translations! You find them here: http: // europa. eu. int/ eur- lex/ lex/ LexUriServ/ LexUriServ. do? uri=CELEX: 32001L0059: EN: HTML
R35 - Ciddi yaktırır.Please take the official translations! You find them here: http: // europa. eu. int/ eur- lex/ lex/ LexUriServ/ LexUriServ. do? uri=CELEX: 32001L0059: EN: HTML
R23 - Toxic by inhalation
Güvenlik AçıklamasıS26 - Gözlerle temas halinde hemen bol miktarda suyla durulayın ve tıbbi tavsiye alın.
S36/37/39 Uygun koruyucu giysiler, eldivenler ve göz/yüz koruyucu giyin.
S43 - Ateş kullanımında... (kullanılacak ateş dövüş ekipmanlarının türüne uyuyor.)
S45 - Kaza durumunda veya kendinizi iyi hissetmezseniz, hemen tıbbi tavsiye alın (mümkün olduğunda etiketi gösterin).
S8 - Konteyner kuruyu tut.
S24/25 Cilt ve gözlerle temas etmekten kaçının.
S23 - Buharı nefes almayın.
S27 - Hemen bütün kirli giysileri çıkar.
BM KimlikleriUN 2927 6.1/PG 2
WGK Almanya2
RTECSKI2950000
FLUKA MARKA F KODLARI9-19-21
TSCA'nınEvet.
HS Kodu29171990
Hazır NotToxic/Corrosive/Store Cold/Lacrymatory
Tehlike Sınıfı8
Paketleme GrubuII

79-37-8 - Reference Information

Decomposition176-178 ºC
İçerioxalyl chloride is a kind of synthetic intermediate of medicine, pesticide, in medicine used as raw materials for the synthesis of antibiotics, in the coating used as raw materials for methacryloylphthalein isocyanate, pesticide industry for the synthesis of ultra-efficient sulfonylurea herbicides benzyl Huanglong, plant growth regulators, etc, it is widely used.
Kullanımoxalyl chloride, also known as oxalyl chloride, is an intermediate of benzoylurea insecticides, such as fluifolide, it is also an intermediate of sulfonylurea herbicides such as metsulfuron-methyl, bensulfuron-methyl, pemisulfuron-methyl and the like. In addition, it can also be used in medicine as a raw material for the synthesis of antibiotics.
used in the synthesis of organic chlorides. Used as a military gas.
commonly used as a military use of toxic gases, but also as a chlorinating agent in organic synthesis
for the preparation of organic chlorides
mainly used for sulfonylurea herbicides, pesticides, an important raw material for the synthesis of pharmaceutical chemistry intermediates, but also polyamide, Chemical Luminescence agent, high quality acylating agents in chemical industry such as liquid crystals
are mainly used for the synthesis of pesticides and pesticide intermediates and for the synthesis of other organic chloride
analysis reagents. It is mainly used as an important raw material intermediate for the synthesis of sulfonylurea herbicides, pesticides and medicinal chemistry. It is also a high quality acylating agent in the chemical industry such as polyamide, Chemical Luminescence agent, liquid crystal and other fields.
üretim yöntemiprepared by the reaction of anhydrous oxalic acid and phosphorus pentachloride.
The preparation method is to obtain oxalyl chloride by reacting oxalic acid with phosphorus pentachloride. The reaction equation is shown in the figure. After phosphorus pentachloride and anhydrous oxalic acid are mixed uniformly, they are slowly heated to about 64 ° C. And reacted until almost no hydrogen chloride is released, and the obtained crude product is further subjected to rectification to obtain oxalyl chloride.


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