Kuj hu ua dimethylaniline, tsis muaj xim rau lub teeb daj oily kua, irritating tsw, nyob rau hauv cov huab cua los yog nyob rau hauv lub hnub yooj yim oxidation siv Ze ua tob. Cov txheeb ze ntom ntom (20 ℃ / 4 ℃) 0.9555, qhov chaw khov 2.0 ℃, kub taw tes 193 ℃, flash point (qhib) 77 ℃, ignition point 317 ℃, viscosity (25 ℃) 1.528 MPa · s, refractive index (N250D8) 1. . Soluble nyob rau hauv ethanol, ether, chloroform, benzene thiab lwm yam organic solvents. Muaj peev xwm yaj ntau yam organic tebchaw. Me ntsis soluble hauv dej. Flammable, yuav hlawv nyob rau hauv qhib hluav taws, chav thiab cua los ua ib tug tawg sib tov, tawg txwv ntawm 1.2% ~ 7.0% (vol). High toxicity, siab thermal decomposition ntawm kev tso tawm cov pa roj aniline lom. tuaj yeem nqus tau los ntawm daim tawv nqaij thiab tshuaj lom, LD501410mg / kg, qhov siab tshaj plaws tso cai rau hauv huab cua yog 5mg / m3.

Cov ntaub ntawv ntawm lub cev
1. Khoom: Yellow pob tshab oily kua, nrog pungent ammonia tsw.

2. Melting point (℃): 2.5

3. Kub taw tes (℃): 193.1

4. Relative ntom ntom (dej = 1): 0.96

5. Relative vapor density (air = 1): 4.17

6. Saturated vapor siab (kPa): 0.13 (29.5 ℃)

7. Combustion kub (kJ/mol): -4776.5

8. Lub siab tseem ceeb (MPa): 3.63

9. Octanol / dej faib coefficient: 2.31

10. Flash point (℃): 62 (CC)

11. Ignition kub (℃): 371

12. Kev tawg sab sauv txwv (%): 7.0

13. Tsawg tawg txwv (%): 1.0

14. Solubility: insoluble nyob rau hauv dej, soluble nyob rau hauv ethanol, ether, chloroform, acetone, benzene thiab lwm yam organic solvents.

15. Viscosity (MPa ·s, 25 ° C): 1.528

16. Nplaim taw tes (°C): 371

17. Kub ntawm evaporation (kJ / kg, 476.66K): 45.2

18. Kub ntawm fusion (kJ / kg): 97.5

Thaum tshav kub kub tsim (kJ / mol, kua): 34.3

20. Combustion kub (kJ / mol, 20 ° C): 4784.3

21. Combustion kub (kJ / mol, 25 ° C, xam tus nqi): 4757.5

22. Cov peev xwm tshwj xeeb kub (kJ / (kg·K), 18 ~ 64.5 ° C, qhov siab tsis tu ncua): 1.88

23. Boiling point tsis tu ncua: 4.84

24. Conductivity (S / M, 20 ° C): 2.1 × 10-8

25. Thermal conductivity (W / (m·K), 20 ° C): 0.143

26. Volume expansion coefficient (K-1): 0.000854

Txoj kev khaws cia
1. Kev ceev faj cia khaws cia rau hauv qhov chaw txias, cua txias. Khaws kom deb ntawm qhov hluav taws kub thiab qhov chaw kub. Khaws lub thawv kaw kom nruj. Nws yuav tsum tau muab cais tawm ntawm cov kua qaub, halogens, thiab cov khoom noj khoom haus, thiab tsis txhob sib xyaw cia. Nruab nrog qhov tsim nyog ntau yam thiab ntau ntawm cov khoom siv hluav taws xob. Qhov chaw cia khoom yuav tsum tau nruab nrog cov khoom siv kho mob thaum muaj xwm txheej ceev thiab cov ntaub ntawv tsim nyog.

2. Ntim thiab ntim rau hauv cov nruas hlau, 180kg ib nruas. Khaws rau hauv qhov chaw txias thiab ventilated. Khaws thiab thauj khoom raws li cov cai rau cov khoom siv hluav taws xob thiab tshuaj lom.

Lub hom phiaj tseem ceeb
1. Ib qho ntawm cov khoom siv tseem ceeb rau kev tsim cov ntsev hauv qab dyes (triphenyl methane dyes, thiab lwm yam) thiab cov xim yooj yim, cov hom tseem ceeb yog alkaline ci daj, alkaline ntshav 5GN, alkaline ntsuab, alkaline pas dej xiav, ci ntsa iab liab 5GN, ci ntsa iab xiav, thiab lwm yam N, N-dimethylaniline hauv kev lag luam tshuaj rau kev tsim cov cephalosporin V, sulfamilamide B-methoxymidine, sulfamilamide dimethoxymidine, fluorouracil, thiab lwm yam, hauv kev lag luam tshuaj tsw qab rau kev tsim cov vanillin, thiab lwm yam.

2. Siv ua kuab tshuaj, hlau preservative, curing tus neeg sawv cev ntawm epoxy resin, curing accelerator ntawm polyester resin, catalyst rau lub polymerization ntawm ethylene tebchaw, thiab lwm yam. Nws kuj yog siv nyob rau hauv kev npaj ntawm yooj yim triphenyl methane dyes, azo dyes thiab vanillin.

3. Cov khoom no yog siv los ua ib qho catalyst rau ua polyurethane ua npuas ncauj yas nrog cov organic tin compounds. Kuj tseem siv los ua roj hmab vulcanization accelerator, tawg, tshuaj raw khoom. Nws yog ib qho ntawm cov khoom siv tseem ceeb rau kev tsim cov xim hauv paus (triphenyl methane dyes, thiab lwm yam) thiab cov xim yooj yim. Cov hom tseem ceeb yog cov xim daj daj, xim liab BN, yooj yim ntsuab, yooj yim pas dej xiav, ci ntsa iab liab 5GN, ci ntsa iab xiav, thiab lwm yam - dimethoxymidine, fluorouracil, thiab lwm yam, hauv kev lag luam tshuaj tsw qab rau kev tsim cov vanillin, thiab lwm yam.

4. Siv raws li curing accelerator ntawm epoxy resin, polyester resin thiab anaerobic adhesive, kom cov anaerobic nplaum yuav kho tau sai. Nws kuj tseem siv tau los ua cov kuab tshuaj, ib qho catalyst rau lub polymerization ntawm ethylene tebchaw, ib tug hlau preservative, ib tug ultraviolet absorber rau cov tshuaj pleev ib ce, lub teeb sensitizer, thiab lwm yam. kuj siv nyob rau hauv lub tsim ntawm cov yooj yim dyes, disperse dyes, acid dyes, roj. soluble dyes thiab txuj lom (vanillin) thiab lwm yam raw khoom.

5. Reagent siv rau kev txiav txim siab photometric ntawm nitrite. Nws kuj yog siv los ua cov kuab tshuaj thiab hauv cov organic synthesis.

6. Siv ua dye intermediate, hnyav, stabilizer, analytical reagent.