3-4-Hexanedione (CAS # 4437-51-8)
Hazard Cov Cim | Xn – Ua phem |
Risk Codes | R10 - Flammable R36/38 - Kab mob rau qhov muag thiab tawv nqaij. R20 - Ua phem los ntawm kev nqus pa |
Kev nyab xeeb piav qhia | S23 - Tsis txhob ua pa. S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S16 - Khaws kom deb ntawm qhov chaw hluav taws xob. |
UN IDs | UN 1224 3/PG 3 |
WGK Germany | 1 |
TSCA | Yog lawm |
HS Code | 29141900 ib |
Hazard Class | 3 |
Packing Group | III |
Taw qhia
3,4-Hexanedione (tseem hu ua 4-Hexanediic Acid) yog cov organic compound. Cov hauv qab no yog cov lus qhia luv luv rau nws cov khoom, kev siv, kev tsim khoom, thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
- Pom: 3,4-Hexanedione yog cov xim tsis muaj xim crystalline.
- Solubility: Soluble nyob rau hauv cov organic solvents xws li dej, cawv thiab ethers.
- Cov khoom siv tshuaj: 3,4-hexanedione yog ketone compound nrog ketone reactivity. Nws tuaj yeem raug txo qis rau qhov sib thooj diol lossis hydroxyketone, thiab tuaj yeem ua rau muaj kev cuam tshuam xws li esterification thiab acylation.
Siv:
- Nws tseem tuaj yeem siv los ua cov khoom siv raw rau txheej, yas, thiab roj hmab, nrog rau qhov nruab nrab rau cov tshuaj reagents thiab catalysts.
Txoj kev:
- Muaj ntau txoj kev sib xyaw ua ke ntawm 3,4-hexanedione, ib qho ntawm cov txheej txheem kev npaj ntau yam yog esterify formic acid thiab propylene glycol kom tau txais cov ester ntawm 3,4-hexanedione, thiab tom qab ntawd tau txais cov khoom kawg los ntawm acid hydrolysis.
Cov ntaub ntawv kev nyab xeeb:
- 3,4-Hexanedione yog ib qho organic compound thiab yuav tsum tau zam los ntawm kev sib cuag nrog daim tawv nqaij, nqus tau los yog noj.
- Hnav cov khoom tiv thaiv tus kheej tsim nyog xws li hnab looj tes, tsom iav, thiab khaub ncaws tiv thaiv.
- Thaum lub sij hawm cia thiab tuav, yuav tsum tau them nyiaj mloog mus rau ignition qhov chaw thiab kev sib cuag nrog combustibles, oxidants thiab lwm yam tshuaj yuav tsum tau zam.