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khoom

2 3-Difluorobenzoic acid (CAS # 4519-39-5)

Chemical Property:

Molecular Formula C7H4F2O2
Molar Mass 158.1 ib
Qhov ntom 1.3486 (kwv yees)
Melting Point 163-165 ° C (lit.)
Boling Point 248.1 ± 20.0 ° C (Tshaj tawm)
Flash Point 103.9°C dej
Dej Solubility me ntsis soluble
Vapor Siab 0.0131mmHg ntawm 25 ° C
Qhov tshwm sim Crystalline hmoov
BRN 2640781 ib
pKa 2.93 ± 0.10 (Kev kwv yees)
Kev cia khoom Muab kaw rau hauv qhuav, Chav Kub
MDL PAB 00010267

Product Detail

Khoom cim npe

Hazard Cov Cim Xi-xaj
Risk Codes R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
R37/38 - Kab mob ua pa thiab tawv nqaij.
R36 - Khau qhov muag
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.
S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag
WGK Germany 3
HS Code 291639 0
Hazard Class IRRITANT

 

Taw qhia

2,3-Difluorobenzoic acid 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-difluorobenzoic acid:

 

Zoo:

- Zoo li: tsis muaj xim crystalline khoom

 

Siv:

 

Txoj kev:

- 2,3-Difluorobenzoic acid tuaj yeem npaj los ntawm fluorinating paraben. Feem ntau siv cov tshuaj fluorinating xws li hydrofluoric acid thiab ferrous fluoride.

 

Cov ntaub ntawv kev nyab xeeb:

- Tsis txhob sib cuag nrog daim tawv nqaij, qhov muag, thiab cov mucous daim nyias nyias, thiab yaug tam sim nrog dej kom ntau yog tias tiv tauj.

- Thaum khaws cia thiab tuav, tsis txhob sib cuag nrog cov oxidants thiab muaj zog acids, thiab tsis txhob raug tshav kub thiab nplaim taws.

- Yog tias tsim nyog, sab laj nrog kws kho mob kom paub meej ntxiv txog kev nyab xeeb.


  • Yav dhau los:
  • Tom ntej:

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