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khoom

2.3-Hexanedione (CAS # 3848-24-6)

Chemical Property:

Molecular Formula C6H10O2
Molar Mass 114.14 Nws
Qhov ntom 0.934g / mLat 25 ° C (lit.)
Melting Point -30 ° C
Boling Point 128 ° C (lit.)
Flash Point 83 ° F
JECFA Number 412
Dej Solubility Ib nrab miscible hauv dej.
Solubility H2O: soluble (me ntsis soluble)
Vapor Siab 10 hli Hg (20 ° C)
Vapor Density 3.9 (vs huab cua)
Qhov tshwm sim zoo
BRN 1699896 ib
Kev cia khoom Khaws hauv qab +30 ° C.
Kev ruaj ntseg ruaj khov. Flamable. Incompatible nrog cov hauv paus muaj zog, muaj zog oxidizing tus neeg sawv cev.
Explosive txwv 1.2-5.9% (V)
Refractive Index n20/D 1.412 (lit.)
Physical thiab Chemical Properties Yellow oily kua. Nws muaj qab zib-qab zib (tsis muaj zog dua li diacetyl) nrog qab zib thiab cheese tsw. Boiling Point 128 ° C. Me ntsis soluble hauv dej, soluble hauv propylene glycol, ethanol thiab roj. Cov khoom ntuj muaj nyob rau hauv txiv duaj, ci nqaij qaib, nqaij nyuj, kas fes, fermented soy sauce, thiab lwm yam.

Product Detail

Khoom cim npe

Hazard Cov Cim Xi-xaj
Risk Codes R10 - Flammable
R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
Kev nyab xeeb piav qhia S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag.
S16 - Khaws kom deb ntawm qhov chaw hluav taws xob.
UN IDs UN 1224 3/PG 3
WGK Germany 2
RTECS TIAB SA 3140000
TSCA Yog lawm
HS Code 29141990 ib
Hazard Class 3
Packing Group III
Toxicity LD50 qhov ncauj hauv luav: > 5000 mg/kg LD50 dermal luav > 5000 mg/kg

 

Taw qhia

2,3-hexanedione (tseem hu ua pentanedione-2,3) yog cov organic compound. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm 2,3-hexanedione:

 

Zoo:

- Cov tsos mob: 2,3-hexanedione yog cov xim tsis muaj xim crystalline.

- Solubility: Nws yog ib nrab soluble hauv dej thiab soluble ntau dua hauv cov kuab tshuaj organic xws li cawv, ethers thiab hydrocarbons.

- Polarity: Nws yog ib qho polar compound uas tuaj yeem tsim hydrogen bonds.

 

Siv:

- Cov ntawv thov kev lag luam: 2,3-hexanedione tuaj yeem siv los ua cov kuab tshuaj, catalyst thiab tshuaj lom neeg nruab nrab.

- Chemical synthesis: Nws feem ntau yog siv los ua cov khoom tseem ceeb hauv cov organic synthesis thiab tuaj yeem siv los ua ketones, acids, thiab lwm yam sib xyaw.

 

Txoj kev:

- Oxidation method: 2,3-hexanedione tuaj yeem npaj los ntawm cov tshuaj tiv thaiv oxidation ntawm n-octanol. Oxidizing agents xws li oxygen carbonate thiab acid hydrogen peroxide feem ntau yog siv rau hauv cov tshuaj tiv thaiv.

- Lwm txoj kev siv hluavtaws: 2,3-hexanedione, xws li oxidene lossis oxanal, kuj tuaj yeem npaj los ntawm lwm txoj kev sib xyaw.

 

Cov ntaub ntawv kev nyab xeeb:

- 2,3-Hexanedione ua rau khaus ntawm lub qhov muag thiab tawv nqaij thiab yuav tsum tsis txhob sib cuag ncaj qha.

- Hnav cov cuab yeej tiv thaiv tsim nyog xws li hnab looj tes, tsom iav, thiab cov tsho hauv chaw kuaj mob thaum siv lossis tuav 2,3-hexanedione.

- Kev saib xyuas yuav tsum tau ua kom tsis txhob muaj oxidants thaum khaws cia thiab tuav 2,3-hexanedione kom tsis txhob muaj hluav taws kub lossis tawg.

- Kev pov tseg pov tseg: pov tseg pov tseg 2,3-hexanedione kom nyab xeeb raws li cov cai hauv zos los tiv thaiv ib puag ncig.


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb