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khoom

3-5-Dimethylbenzoic Acid (CAS # 499-06-9)

Chemical Property:

Molecular Formula C9H10O2
Molar Mass 150.17 Nws
Qhov ntom 1.0937 (kwv yees)
Melting Point 169-171 ° C (lit.)
Boling Point 271.51°C (kwv yees)
Flash Point 128.2°C dej
Dej Solubility Soluble hauv methanol. (1 g / 10 mL). Me ntsis soluble hauv dej.
Vapor Siab 0.00211mmHg ntawm 25 ° C
Qhov tshwm sim Dawb siv lead ua
Xim Dawb rau lub teeb daj
BRN 1072182 ib
pKa 4.32 (ntawm 25 ℃)
Kev cia khoom Muab kaw rau hauv qhuav, Chav Kub
Refractive Index 1.5188 (kwv yees)
MDL PAB 00002525
Physical thiab Chemical Properties Melting point 169-172 ° C
Siv Rau cov organic synthesis thiab tshuaj tua kab, tshuaj intermediates

Product Detail

Khoom cim npe

Hazard Cov Cim Xi-xaj
Risk Codes 36/37/38 – Khaus 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 - Hnav khaub ncaws tiv thaiv zoo.
WGK Germany 3
RTECS Dg8734030
TSCA Yog lawm
HS Code 29163900 ib
Kev Ceeb Toom Irritant

 

Taw qhia

3,5-Dimethylbenzoic acid. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:

 

Zoo:

- Cov tsos: tsis muaj xim crystalline khoom;

- Tsawg soluble hauv dej thiab ntau soluble hauv cov kuab tshuaj organic xws li ethers thiab cawv;

- Nws muaj cov ntxhiab tsw ntxhiab.

 

Siv:

- 3,5-Dimethylbenzoic acid yog ib qho tseem ceeb nruab nrab ntawm cov organic synthesis thiab feem ntau siv nyob rau hauv synthesis ntawm lwm cov organic tebchaw;

- Nws tuaj yeem siv los ua cov khoom siv raw rau polyester resins thiab coatings, yas thiab roj hmab additives;

 

Txoj kev:

- Txoj kev npaj ntawm 3,5-dimethylbenzoic acid tuaj yeem tau los ntawm cov tshuaj tiv thaiv ntawm benzaldehyde nrog dimethyl sulfide;

- Cov tshuaj tiv thaiv feem ntau yog ua los ntawm cov kua qaub, thiab cov kua qaub catalysts xws li hydrochloric acid tuaj yeem siv tau;

- Tom qab cov tshuaj tiv thaiv, cov khoom ntshiab yog tau los ntawm crystallization los yog extraction.

 

Cov ntaub ntawv kev nyab xeeb:

- Lub compound yuav tsum tau siv nyob rau hauv raws li qhov tsim nyog kuaj raws tu qauv;

- Nws tuaj yeem ua rau qhov muag, tawv nqaij, thiab ua pa;

- Hnav cov cuab yeej tiv thaiv tus kheej, xws li hnab looj tes thiab tsom iav, thiab xyuas kom muaj cua zoo thaum siv;

- Tsis txhob sib cuag nrog cov oxidizing muaj zog thiab muaj zog acids;

- Khaws kom qhuav, kaw kom nruj, thiab tsis txhob sib cuag nrog huab cua, noo noo, thiab hluav taws kub.

Thaum siv 3,5-dimethylbenzoic acid los yog lwm yam tshuaj, nws yog ib qho tseem ceeb uas yuav tsum tau ua raws li kev tswj xyuas cov tshuaj thiab kev nyab xeeb.


  • Yav dhau los:
  • Tom ntej:

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