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khoom

2.3-Benofuran (CAS # 271-89-6)

Chemical Property:

Molecular Formula C8H6O
Molar Mass 118.14 Nws
Qhov ntom 1.095g / mLat 20 ° C (lit.)
Melting Point <-18 ℃
Boling Point 173-175 ° C (lit.)
Flash Point 133 ° F
Dej Solubility insoluble
Vapor Siab 1.65mmHg ntawm 25 ° C
Qhov tshwm sim Crystalline hmoov los yog Crystals
Xim Daj mus rau ntsuab mus rau daj-xim av
Merck 14 Ib., 1088
BRN 107704 ib
pKa 33.2 ib
Kev cia khoom 2-8 ° C
Refractive Index N20/D 1.567
Physical thiab Chemical Properties Cim: kua tsis muaj xim.
melting point <-18 ℃
Kub taw tes 173 ~ 175 ℃
txheeb ze ntom ntom 1.0948
Refractive Index 1.5672
flash point 56 ℃
solubility nyob rau hauv dej, soluble nyob rau hauv ethanol, ether.
Siv Intermediates rau kev siv iofurofurazone thiab indolene resins

Product Detail

Khoom cim npe

Risk Codes R40 - Cov pov thawj txwv ntawm cov nyhuv carcinogenic
R52 - Ua phem rau cov kab mob hauv dej
R10 - Flammable
Kev nyab xeeb piav qhia S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog.
S16 - Khaws kom deb ntawm qhov chaw hluav taws xob.
UN IDs UN 1993 3/PG 3
WGK Germany 3
RTECS wb 6423800
FLUKA BRAND F CODE 10-23
TSCA Yog lawm
HS Code 29329900 ib
Kev Ceeb Toom Irritant
Hazard Class 3
Packing Group III
Toxicity Cais tawm los ntawm cov roj thee thiab siv hauv kev tsim khoom
coumarone-indene cob. Cov resin no yog siv rau hauv cov xim, kua nplaum, thiab lwm yam.
thiab tau tso cai rau hauv ntim khoom noj. Me ntsis paub txog qhov toxicity
ntawm benzofuran rau tib neeg tab sis mob toxicity hauv kev sim
Cov tsiaj muaj lub siab thiab lub raum tsis ua haujlwm. Mob toxicity rau tsiaj
Kev puas tsuaj rau daim siab, raum, ntsws, thiab plab.
Kev tswj hwm lub neej (kev tswj qhov ncauj) ua rau mob qog noj ntshav hauv
ob nas thiab nas.

 

Taw qhia

Oxyindene (C9H6O2) yog cov organic compound uas muaj benzene rings thiab benzofuran rings. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm oxyindene:

 

Zoo:

Cov tsos mob: Oxyindene yog xim tsis muaj xim rau lub teeb daj crystalline khoom.

Solubility: Oxyindene tuaj yeem yaj hauv feem ntau cov kuab tshuaj organic, tab sis yog insoluble hauv dej.

 

Siv:

Oxindene kuj tseem siv tau los ua ib qho ntxiv rau photosensitizers thiab polymer stabilizers.

 

Txoj kev:

Oxyindene tuaj yeem npaj tau los ntawm cov tshuaj tiv thaiv oxidation ntawm benzofuran thiab benzofuranone. Cov txheej txheem kev npaj tshwj xeeb yuav koom nrog cov kauj ruam nyuaj hauv cov organic synthesis, uas feem ntau yuav tsum tau siv cov oxidant nyob rau hauv qhov tsim nyog.

 

Cov ntaub ntawv kev nyab xeeb:

Oxyindene yog suav hais tias yog ib yam khoom muaj kev nyab xeeb nyob rau hauv ib txwm siv, tab sis nws tseem yuav tsum tau ua raws li cov txheej txheem kev khiav hauj lwm hauv chav kuaj thiab hauv kev tsim khoom.

Thaum tuav oxyindene, cov cuab yeej tiv thaiv tus kheej tsim nyog xws li hnab looj tes tshuaj, tsom iav, thiab khaub ncaws tiv thaiv yuav tsum hnav.

Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag, thiab tsis txhob nqus los yog noj oxyindene.

Oxyindene yuav tsum muab cia rau hauv lub thawv airtight kom deb ntawm ignition thiab oxidants.

 


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