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