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CYCLOHEPTANE(CAS #291-64-5) Featured duab
  • Cycloheptane (CAS # 291-64-5) 1

Cycloheptane (CAS # 291-64-5)

Chemical Property:

Molecular Formula C9H6O2
Molar Mass 146.14 Nws
Qhov ntom 0.935 ib
Melting Point 68-73 ° C (lit.)
Boling Point 298 ° C (lit.)
Flash Point 162 ° C
Dej Solubility 1.7 g / L (20 ºC)
Solubility Soluble nyob rau hauv cawv, ether, chloroform, pyridine, volatile roj thiab hydroxide alkali tov, me ntsis soluble nyob rau hauv boiling dej.
Vapor Siab 0.01 hli Hg (47 ° C)
Qhov tshwm sim Cov xim tsis muaj xim orthorhombic lossis duab plaub
Xim Dawb
Qhov siab tshaj plaws wavelength (λmax) ['275nm']
Merck 14 Ib., 2562
BRN 383644 ib
Kev cia khoom Khaws hauv qab +30 ° C.
rhiab heev Yooj yim absorbing noo noo
Refractive Index 1.5100 (kwv yees)
MDL PAB 000006850
Physical thiab Chemical Properties Dawb crystalline hmoov los yog crystalline hmoov. Nws muaj aroma zoo li citronella.
ceev 0.935
melting point 68-71 ° C
Kub taw tes 298 ° C
flash point 162 ° C
dej-soluble 1.7g / L (20 ° C)
Insoluble hauv dej txias, soluble hauv dej kub, ethanol, ether thiab chloroform.
Siv Siv nyob rau hauv kev tsim cov tshuaj tsw qab, raws li fixatives, kuj siv nyob rau hauv lub electroplating kev lag luam

Product Detail

Khoom cim npe

Hazard Cov Cim Xn – Ua phem
Risk Codes R22 - Ua phem yog tias nqos
R40 - Cov pov thawj txwv ntawm cov nyhuv carcinogenic
R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos.
R43 - Tej zaum yuav ua rau mob ntawm daim tawv nqaij
Kev nyab xeeb piav qhia S36 - Hnav khaub ncaws tiv thaiv zoo.
S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog.
S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
UN IDs UN 2811 6.1/PG 3
WGK Germany 1
RTECS GN4200000
TSCA Yog lawm
HS Code 2932010 ib
Hazard Class 6.1
Packing Group III
Toxicity LD50 qhov ncauj hauv nas, guinea npua: 680, 202 mg / kg (Jenner)

 

Taw qhia

Coumarin yog ib qho organic compound. Nws yog cov xim tsis muaj xim crystalline nrog cov ntxhiab tsw zoo ib yam li cov txiv kab ntxwv iab tshiab los yog tarragon.

Coumarin kuj tseem siv los ua raw khoom rau cov tshuaj tiv thaiv coagulants thiab tshuaj pleev thaiv hnub.

 

Muaj ntau txoj hauv kev los npaj coumarin, uas feem ntau siv yog kev siv phenol thiab acetic anhydride ua raw khoom, uas tau npaj los ntawm ketone cawv condensation cov tshuaj tiv thaiv.

 

Coumarin yog ib qho tshuaj lom neeg thiab yuav tsum tau siv raws li cov kev coj noj coj ua ntawm kev nyab xeeb thiab tsis txhob sib cuag nrog daim tawv nqaij, qhov muag thiab ua pa.

 

 

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